Dr. Ty Martinez Profile

Dr. Ty Martinez

Senior Scientist at US Naval Research Lab

SPIE Involvement:

Author

Publications (73)

Proceedings Article | 4 October 2024 Presentation + Paper

Laboratory experiments on multiconjugate adaptive optics for compensation of strong turbulence

J.-J. Kim, T. Martinez, B. Agrawal

Proceedings Volume 13149, 131490G (2024) https://doi.org/10.1117/12.3027703

KEYWORDS: Adaptive optics, Wavefront sensors, Deformable mirrors, Atmospheric turbulence, Turbulence, Optical simulations, Laser beam propagation, Wavefront aberrations, Wavefront errors, Pupil aberrations

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Proceedings Article | 30 September 2024 Presentation + Paper

Atmospheric seeing at the NPOI inferred from jitter data

Merrick DeWitt, Henrique Schmitt, Ty Martinez, Jordan Stone, Ellyn Baines, James Clark, Bradley Kingsley

Proceedings Volume 13135, 131350C (2024) https://doi.org/10.1117/12.3028033

KEYWORDS: Modeling, Atmospheric optics, Beam divergence, Error analysis, Reflection, Parabolic mirrors, Lens arrays, Imaging arrays, Data modeling, Beam propagation method

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Proceedings Article | 28 August 2024 Presentation

An update on the Navy Precision Optical Interferometer

Henrique H. Schmitt, James Clark, Ellyn Baines, Bradley Kingsley, Wyatt Clark, Jordan Stone, David Mozurkewich, Anders Jorgensen, Ty Martinez, Merrick DeWitt

Proceedings Volume 13095, 1309509 (2024) https://doi.org/10.1117/12.3020827

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Proceedings Article | 26 August 2022 Presentation + Paper

The Navy Precision Optical Interferometer: large-aperture observations and infrastructure improvements

Gerard van Belle, James Clark, Henrique Schmitt, David Noble, Anders Jorgensen, David Mozurkewich, J. Thomas Armstrong, Ellyn Baines, Merrick DeWitt, Ty Martinez, Sergio Restaino, Jordan Stone, Thomas Coleman, Ben Hardesty, Wyatt Clark, Khristian Jones, Bradley Kingsley, Erin Maier, Solvay Blomquist, Nicholas Green, Peter Kurtz

Proceedings Volume 12183, 1218304 (2022) https://doi.org/10.1117/12.2630572

KEYWORDS: Telescopes, Interferometers, Observatories, Adaptive optics, Mirrors, Precision optics, Interferometry, Control systems, Stars

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Proceedings Article | 13 December 2020 Presentation + Paper

The Navy Precision Optical Interferometer: two years of development towards large-aperture observations

Gerard van Belle, James Clark, J. Thomas Armstrong, Ellyn Baines, Ty Martinez, Sergio Restaino, Henrique Schmitt, Anders Jorgensen, David Mozurkewich, Teznie Pugh, Wyatt Clark, Nicholas Green, Khristian Jones, Bradley Kingsley, Peter Kurtz, Adam Schilperoort

Proceedings Volume 11446, 1144608 (2020) https://doi.org/10.1117/12.2562806

KEYWORDS: Precision optics, Interferometers, Telescopes, Imaging systems, Electron multiplying charge coupled devices, Cameras, Image processing, Interferometry, Image restoration, Adaptive optics

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Proceedings Article | 9 September 2019 Paper

NPS sparse aperture testbed

Brij Agrawal, Jae Jun Kim, Jeffrey Baker, Ty Martinez, Bautista Fernandez

Proceedings Volume 11115, 111150F (2019) https://doi.org/10.1117/12.2528022

KEYWORDS: Mirrors, Satellites, Motion measurement, Satellite imaging, Interferometers, Metrology, Spherical lenses, Space operations, Image resolution, Actuators

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Proceedings Article | 18 May 2017 Presentation + Paper

Horizontal atmospheric turbulence, beam propagation, and modeling

Christopher Wilcox, Freddie Santiago, Ty Martinez, K. Peter Judd, Sergio Restaino

Proceedings Volume 10194, 1019405 (2017) https://doi.org/10.1117/12.2263805

KEYWORDS: Atmospheric propagation, Beam propagation method, Atmospheric optics, Atmospheric turbulence, Earth's atmosphere, Atmospheric modeling, Turbulence, Beam controllers, Optical imaging, Imaging systems, Modulation transfer functions, Adaptive optics, Data modeling, Point spread functions

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Proceedings Article | 16 March 2015 Paper

The meter-class carbon fiber reinforced polymer mirror and segmented mirror telescope at the Naval Postgraduate School

Christopher Wilcox, Bautista Fernandez, John Bagnasco, Ty Martinez, Robert Romeo, Brij Agrawal

Proceedings Volume 9354, 93540J (2015) https://doi.org/10.1117/12.2082628

KEYWORDS: Mirrors, Telescopes, Space telescopes, Collimation, Adaptive optics, Imaging systems, Optics manufacturing, Carbon, Segmented mirrors, Fiber reinforced polymers

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Proceedings Article | 7 March 2014 Paper

First light with a carbon fiber reinforced polymer 0.4 meter telescope

Christopher Wilcox, Freddie Santiago, Matthew Jungwirth, Ty Martinez, Sergio Restaino, Brett Bagwell, Robert Romeo

Proceedings Volume 8978, 897805 (2014) https://doi.org/10.1117/12.2042105

KEYWORDS: Telescopes, Adaptive optics, Mirrors, Prototyping, Optics manufacturing, Interferometers, Carbon, Fiber reinforced polymers, Imaging systems, Glasses

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Proceedings Article | 19 March 2013 Paper

Determining seeing conditions of a horizontal turbulent optical path with video image analysis

Christopher Wilcox, Freddie Santiago, Sergio Restaino, Kyle Judd, Ty Martinez, Jonathan Andrews

Proceedings Volume 8610, 86100W (2013) https://doi.org/10.1117/12.2006479

KEYWORDS: Video, Atmospheric turbulence, Data modeling, Modulation transfer functions, Earth's atmosphere, Imaging systems, Adaptive optics, Point spread functions, Fourier transforms, Data acquisition

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Proceedings Article | 3 May 2012 Open Access

MEMS- and LC-adaptive optics at the Naval Research Laboratory

S. Restaino, C. Wilcox, T. Martinez, J. Andrews, F. Santiago, D. Payne

Proceedings Volume 8373, 83730R (2012) https://doi.org/10.1117/12.918586

KEYWORDS: Adaptive optics, Microelectromechanical systems, Spatial light modulators, Liquid crystals, Analytical research, LCDs, Telescopes, Modulation transfer functions, Atmospheric turbulence, Point spread functions

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SPIE Journal Paper | 1 November 2011

Performance of a flexible optical aberration generator

Christopher Wilcox, Freddie Santiago, Ty Martinez, Jonathan Andrews, Sergio Restaino, Scott Teare

OE, Vol. 50, Issue 11, 116601, (November 2011) https://doi.org/10.1117/12.10.1117/1.3656252

KEYWORDS: Modulation transfer functions, Atmospheric turbulence, Point spread functions, Spatial light modulators, Liquid crystals, Adaptive optics, Zernike polynomials, Turbulence, Atmospheric optics, Wavefronts

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Proceedings Article | 13 May 2011 Paper

MEMs adaptive optics at the Naval Research Laboratory

Sergio Restaino, Jonathan Andrews, Ty Martinez, Christopher Wilcox, Freddie Santiago, Don Payne

Proceedings Volume 8031, 80310M (2011) https://doi.org/10.1117/12.884885

KEYWORDS: Adaptive optics, Telescopes, Spatial light modulators, Space telescopes, Atmospheric turbulence, Liquid crystals, Wavefronts, Monochromatic aberrations, Microelectromechanical systems, Optics manufacturing

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Proceedings Article | 13 May 2011 Paper

Actuation for deformable thin-shelled composite mirrors

Christopher Wilcox, David Wick, Grant Soehnel, Brett Bagwell, Robert Romeo, Robert Martin, Michael Baker, Nicole Breivik, Brad Boyce, Ty Martinez, Sergio Restaino

Proceedings Volume 8031, 80310N (2011) https://doi.org/10.1117/12.885542

KEYWORDS: Mirrors, Deformable mirrors, Zoom lenses, Prototyping, Space telescopes, Telescopes, Adaptive optics, Composites, Interferometers, Glasses

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Proceedings Article | 22 February 2011 Paper

Study on the implementation of spatial light modulator liquid crystal device atmospheric simulator for short wavelength infrared applications

Freddie Santiago, Carlos Font, Christopher Wilcox, Ty Martinez, Stephen Myers, Joseph Duperre, Jonathan Andrews, Sergio Restaino, Charmaine Gilbreath, Don Payne

Proceedings Volume 7923, 79230R (2011) https://doi.org/10.1117/12.875469

KEYWORDS: Spatial light modulators, Point spread functions, Atmospheric turbulence, Turbulence, LCDs, Control systems, Short wave infrared radiation, Optical simulations, Algorithm development, Computer simulations

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Proceedings Article | 14 February 2011 Paper

MEMs adaptive optics for horizontal turbulence correction

Sergio Restaino, Jonathan Andrews, Ty Martinez, Christopher Wilcox, Freddie Santiago, Don Payne, Scott Teare

Proceedings Volume 7931, 793105 (2011) https://doi.org/10.1117/12.875100

KEYWORDS: Adaptive optics, Microelectromechanical systems, Deformable mirrors, Atmospheric propagation, Turbulence, Algorithm development, Telescopes, Astronomy, Mirrors, Fourier transforms

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Proceedings Article | 14 February 2011 Paper

A multi-conjugate adaptive optics testbed using two MEMS deformable mirrors

Jonathan Andrews, Ty Martinez, Scott Teare, Sergio Restaino, Christopher Wilcox, Freddie Santiago, Don Payne

Proceedings Volume 7931, 79310C (2011) https://doi.org/10.1117/12.884788

KEYWORDS: Adaptive optics, Spatial light modulators, Deformable mirrors, Microelectromechanical systems, Wavefront sensors, Liquid crystals, Atmospheric optics, Point spread functions, Wavefronts, Optical testing

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Proceedings Article | 2 September 2010 Paper

The Naval Research Laboratory MEM adaptive optics program

Sergio Restaino, Ty Martinez, Jonathan Andrews, Christopher Wilcox, Freddie Santiago, Don Payne

Proceedings Volume 7803, 78030F (2010) https://doi.org/10.1117/12.862449

KEYWORDS: Adaptive optics, Telescopes, Microelectromechanical systems, Monochromatic aberrations, Spatial light modulators, Space telescopes, Optics manufacturing, Atmospheric turbulence, Atmospheric optics, Wavefronts

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Proceedings Article | 12 August 2010 Paper

A method of generating atmospheric turbulence with a liquid crystal spatial light modulator

Christopher Wilcox, Freddie Santiago, Ty Martinez, Jonathan Andrews, Sergio Restaino, Melissa Corley, Scott Teare, Brij Agrawal

Proceedings Volume 7816, 78160E (2010) https://doi.org/10.1117/12.861510

KEYWORDS: Atmospheric turbulence, Point spread functions, Spatial light modulators, Liquid crystals, Wavefronts, Turbulence, Zernike polynomials, Adaptive optics, Statistical modeling, Analytical research

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Proceedings Article | 20 February 2010 Paper

Using two MEMS deformable mirrors in an adaptive optics test bed for multiconjugate correction

Jonathan Andrews, Ty Martinez, Scott Teare, Sergio Restaino, Christopher Wilcox, Freddie Santiago, Don Payne

Proceedings Volume 7595, 75950A (2010) https://doi.org/10.1117/12.845919

KEYWORDS: Spatial light modulators, Adaptive optics, Deformable mirrors, Wavefront sensors, Microelectromechanical systems, Atmospheric optics, Liquid crystals, Point spread functions, Wavefronts, Cameras

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Proceedings Article | 20 February 2010 Paper

Analysis of the Naval Research Laboratory MEM MCAO test bed

Sergio Restaino, Jonathan Andrews, Ty Martinez, Christopher Wilcox, Freddie Santiago, Don Payne, Scott Teare

Proceedings Volume 7595, 759509 (2010) https://doi.org/10.1117/12.845692

KEYWORDS: Adaptive optics, Analytical research, Microelectromechanical systems, Mirrors, Error analysis, Liquid crystals, Wavefronts, Solids, Atmospheric propagation, Fourier transforms

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Proceedings Article | 9 May 2009 Paper

Characterization and training of a piezoelectric deformable mirror for operation at 1550 nm

Carlos Font, G. Charmaine Gilbreath, Blerta Bajramaj, David Kim, Freddie Santiago, Ty Martinez, Sergio Restaino

Proceedings Volume 7324, 73240T (2009) https://doi.org/10.1117/12.822522

KEYWORDS: Actuators, Wavefronts, Deformable mirrors, Mirrors, Wavefront sensors, Adaptive optics, Short wave infrared radiation, Interferometers, Matrices, Telescopes

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Proceedings Article | 24 February 2009 Paper

The Naval Research Laboratory MEM adaptive optics program

Sergio Restaino, Ty Martinez, Jonathan Andrews, Christopher Wilcox, Freddie Santiago, Don Payne

Proceedings Volume 7209, 72090F (2009) https://doi.org/10.1117/12.812117

KEYWORDS: Adaptive optics, Telescopes, Monochromatic aberrations, Spatial light modulators, Space telescopes, Microelectromechanical systems, Atmospheric turbulence, Liquid crystals, Wavefronts, Optics manufacturing

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Proceedings Article | 3 September 2008 Paper

Precision radiometry using a tunable InAs/InGaAs quantum dot in a well infrared focal plane array

Jonathan Andrews, Sergio Restaino, Scott Teare, Sanjay Krishna, Luke Lester, Christopher Wilcox, Ty Martinez, Freddie Santiago

Proceedings Volume 7082, 70820T (2008) https://doi.org/10.1117/12.795599

KEYWORDS: Infrared imaging, Staring arrays, Quantum dots, Infrared radiation, Readout integrated circuits, Radiometry, Sensors, Thermography, Long wavelength infrared, Mid-IR

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Proceedings Article | 26 August 2008 Paper

Atmospheric simulator for testing adaptive optics systems

Christopher Wilcox, Ty Martinez, Freddie Santiago, Jonathan Andrews, Sergio Restaino, Scott Teare, Don Payne

Proceedings Volume 7093, 709305 (2008) https://doi.org/10.1117/12.795584

KEYWORDS: Adaptive optics, Atmospheric turbulence, Monochromatic aberrations, Atmospheric optics, Wavefronts, Spatial light modulators, Control systems, Optical testing, Liquid crystals, Atmospheric modeling

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Proceedings Article | 23 July 2008 Paper

Meter class carbon fiber reinforced polymer (CFRP) telescope program at the Naval Research Laboratory

Sergio Restaino, Ty Martinez, Jonathan Andrews, Christopher Wilcox, Freddie Santiago, S. Teare, Robert Romeo, Robert Martin, D. Wick

Proceedings Volume 7018, 70183C (2008) https://doi.org/10.1117/12.789549

KEYWORDS: Telescopes, Adaptive optics, Carbon, Analytical research, Mirrors, Prototyping, Fiber reinforced polymers, Interferometers, Optical instrument design, Electronics

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Proceedings Article | 23 July 2008 Paper

Prototype 0.4 meter carbon fiber reinforced polymer (CFRP) telescope: specifications and initial testing

Jonathan Andrews, Sergio Restaino, Ty Martinez, Christopher Wilcox, Freddie Santiago, S. Teare, Robert Romeo, Robert Martin, D. Wick

Proceedings Volume 7018, 70184D (2008) https://doi.org/10.1117/12.789517

KEYWORDS: Telescopes, Prototyping, Composites, Mirrors, Carbon, Fiber reinforced polymers, Optics manufacturing, Interferometers, Optical fabrication, Optical testing

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Proceedings Article | 14 July 2008 Paper

Atmospheric simulator for testing adaptive optic systems

Christopher Wilcox, Ty Martinez, Freddie Santiago, Jonathan Andrews, Sergio Restaino, Scott Teare, Don Payne

Proceedings Volume 7015, 701542 (2008) https://doi.org/10.1117/12.789464

KEYWORDS: Adaptive optics, Atmospheric turbulence, Atmospheric optics, Monochromatic aberrations, Spatial light modulators, Wavefronts, Optical testing, Liquid crystals, Control systems, Atmospheric modeling

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Proceedings Article | 8 February 2008 Paper

The Naval Research Laboratory MEM adaptive optics program

Sergio Restaino, Ty Martinez, Jonathan Andrews, Christopher Wilcox, Freddie Santiago, Don Payne

Proceedings Volume 6888, 688806 (2008) https://doi.org/10.1117/12.763895

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Proceedings Article | 8 February 2008 Paper

Performance of a MEMS reflective wavefront sensor

Jonathan Andrews, Scott Teare, Sergio Restaino, Ty Martinez, Christopher Wilcox, David Wick, William Cowan, Olga Spahn, Brett Bagwell

Proceedings Volume 6888, 68880C (2008) https://doi.org/10.1117/12.763866

KEYWORDS: Mirrors, Wavefront sensors, Actuators, Microelectromechanical systems, Reflectivity, Image segmentation, Adaptive optics, Deformable mirrors, Cameras, Telescopes

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Proceedings Article | 27 September 2007 Paper

Open-loop performance of a MEMS reflective wavefront sensor

Jonathan Andrews, Scott Teare, Sergio Restaino, David Wick, Christopher Wilcox, Ty Martinez

Proceedings Volume 6711, 67110E (2007) https://doi.org/10.1117/12.740322

KEYWORDS: Mirrors, Microelectromechanical systems, Wavefront sensors, Actuators, Adaptive optics, Reflectivity, Deformable mirrors, Cameras, Telescopes, Analytical research

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Proceedings Article | 27 September 2007 Paper

Atmospheric turbulence generator for adaptive optical systems testing

Christopher Wilcox, Ty Martinez, Freddie Santiago, Jonathan Andrews, Sergio Restaino, Scott Teare, Don Payne

Proceedings Volume 6711, 67110D (2007) https://doi.org/10.1117/12.740323

KEYWORDS: Atmospheric turbulence, Monochromatic aberrations, Wavefronts, Spatial light modulators, Adaptive optics, Atmospheric optics, Atmospheric physics, Control systems, Point spread functions, Optical testing

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Proceedings Article | 14 February 2007 Paper

Active zoom imaging for operationally responsive space

Brett Bagwell, David Wick, William Cowan, Olga Blum Spahn, William Sweatt, Ty Martinez, Sergio Restaino, Jonathan Andrews, Christopher Wilcox, Don Payne, Robert Romeo

Proceedings Volume 6467, 64670D (2007) https://doi.org/10.1117/12.706820

KEYWORDS: Mirrors, Active optics, Zoom lenses, Microelectromechanical systems, Imaging systems, Micromirrors, Actuators, Telescopes, Wavefronts, Space operations

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Proceedings Article | 14 February 2007 Paper

Testbed for the characterization of MEM devices using a liquid crystal spatial light modulator

Christopher Wilcox, Jonathan Andrews, Sergio Restaino, Scott Teare, Ty Martinez, Don Payne

Proceedings Volume 6467, 64670B (2007) https://doi.org/10.1117/12.703157

KEYWORDS: Wavefronts, Adaptive optics, Point spread functions, Telescopes, Atmospheric modeling, Atmospheric turbulence, Liquid crystals, Atmospheric propagation, Atmospheric optics, Earth's atmosphere

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Proceedings Article | 9 February 2007 Paper

MEMS based adaptive optics systems at the Naval Research Laboratory: an update

Sergio Restaino, Jonathan Andrews, J. Armstrong, Ty Martinez, Dave Mozurkewich, Don Payne, Christopher Wilcox

Proceedings Volume 6467, 646709 (2007) https://doi.org/10.1117/12.702851

KEYWORDS: Adaptive optics, Microelectromechanical systems, Point spread functions, Analytical research, Interferometers, Wavefronts, Wavefront sensors, LCDs, Space telescopes

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Proceedings Article | 9 February 2007 Paper

MEMS reflective wavefront sensor

Jonathan Andrews, Scott Teare, Sergio Restaino, David Wick, Christopher Wilcox, Ty Martinez, Don Payne

Proceedings Volume 6467, 64670A (2007) https://doi.org/10.1117/12.702890

KEYWORDS: Mirrors, Microelectromechanical systems, Wavefront sensors, Deformable mirrors, Actuators, Adaptive optics, Wavefronts, Reflectivity, Collimation, Analytical research

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Proceedings Article | 7 September 2006 Paper

Active optical zoom for space-based imaging

David Wick, Brett Bagwell, William Sweatt, Gary Peterson, Ty Martinez, Sergio Restaino, Jonathan Andrews, Christopher Wilcox, Don Payne, Robert Romeo

Proceedings Volume 6307, 63070A (2006) https://doi.org/10.1117/12.696346

KEYWORDS: Mirrors, Zoom lenses, Active optics, Disk lasers, Imaging systems, Optical components, Telescopes, Sensors, Adaptive optics, Space telescopes

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Proceedings Article | 5 September 2006 Paper

Liquid crystal based active optics

Brett Bagwell, David Wick, Robert Batchko, Justin Mansell, Ty Martinez, Sergio Restaino, Don Payne, Jamie Harriman, Steve Serati, Gary Sharp, Jim Schwiegerling

Proceedings Volume 6289, 628908 (2006) https://doi.org/10.1117/12.694891

KEYWORDS: Liquid crystals, Lenses, Active optics, Imaging systems, Spatial light modulators, Electrodes, Wavefronts, Molecules, Bandpass filters, Electronics

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Proceedings Article | 29 August 2006 Paper

A lightweight adaptive telescope

Scott Teare, Ty Martinez, Jonathan Andrews, Christopher Wilcox, Sergio Restaino, Robert Romeo, Robert Martin, Don Payne

Proceedings Volume 6306, 630609 (2006) https://doi.org/10.1117/12.682103

KEYWORDS: Telescopes, Adaptive optics, Mirrors, Space telescopes, Wavefronts, Wavefront sensors, Beam splitters, Collimation, Off axis mirrors, Carbon

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Proceedings Article | 29 August 2006 Paper

The 1.4 meter lightweight carbon fiber mount for the Naval Prototype Optical Interferometer

Jonathan Andrews, Sergio Restaino, Christopher Wilcox, Scott Teare, Ty Martinez, Jim Clark, Josh Walton, Robert Romeo, Robert Martin

Proceedings Volume 6306, 63060R (2006) https://doi.org/10.1117/12.682102

KEYWORDS: Telescopes, Adaptive optics, Interferometers, Prototyping, Carbon, Mirrors, Optical instrument design, Electronics, Composites, Optics manufacturing

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Proceedings Article | 29 August 2006 Paper

Measuring a deformable mirror's surface while under physical vibrations

Christopher Wilcox, Freddie Santiago, Jonathan Andrews, Sergio Restaino, Ty Martinez, Erick Roura, Scott Teare, Don Payne

Proceedings Volume 6306, 630605 (2006) https://doi.org/10.1117/12.682104

KEYWORDS: Mirrors, Wavefronts, Wavefront sensors, Deformable mirrors, Adaptive optics, Chemical elements, Reconstruction algorithms, Microelectromechanical systems, Cameras, Finite element methods

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Proceedings Article | 23 June 2006 Paper

Characterization of the lightweight telescope developed for the NPOI

Jonathan Andrews, F. Ernesto Penado, Scott Broome, Christopher Wilcox, Sergio Restaino, Ty Martinez, Scott Teare, Freddie Santiago

Proceedings Volume 6267, 62673Q (2006) https://doi.org/10.1117/12.672565

KEYWORDS: Telescopes, Composites, Mirrors, Optics manufacturing, Prototyping, Interferometers, Carbon, Optical testing, Temperature metrology, Data acquisition

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Proceedings Article | 8 June 2006 Paper

MEMs and LC for compact AO systems

Sergio Restaino, Ty Martinez, Jonathan Andrews, Christopher Wilcox, Freddie Santiago, Scott Teare, Don Payne

Proceedings Volume 6018, 601818 (2006) https://doi.org/10.1117/12.669377

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Proceedings Article | 1 March 2006 Paper

Ultra-light weight telescope coupled with portable AO system for laser communications applications

Sergio Restaino, Ty Martinez, Jonathan Andrews, Christopher Wilcox, Freddie Santiago, Robert Romeo, Robert Martin

Proceedings Volume 6105, 61050M (2006) https://doi.org/10.1117/12.647279

KEYWORDS: Adaptive optics, Telescopes, Laser communications, Telecommunications, Mirrors, Optics manufacturing, Computer aided design, Composites, Prototyping, Laser systems engineering

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Proceedings Article | 23 February 2006 Paper

Transmissive spatial light modulators with high figure-of-merit liquid crystals for foveated imaging applications

Jamie Harriman, Sebastian Gauza, Shin-Tson Wu, David Wick, Brett Bagwell, Ty Martinez, Don Payne, Steven Serati

Proceedings Volume 6135, 61350C (2006) https://doi.org/10.1117/12.663470

KEYWORDS: Spatial light modulators, Liquid crystals, Imaging systems, Birefringence, Modulators, Modulation, Phase shift keying, Fluorine, Diffraction, Reflectivity

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Proceedings Article | 23 January 2006 Paper

Frequency stability of combined wavefront corrective elements for adaptive optics

Christopher Wilcox, Jonathan Andrews, Sergio Restaino, Ty Martinez, Scott Teare, Don Payne

Proceedings Volume 6113, 61130F (2006) https://doi.org/10.1117/12.647270

KEYWORDS: Mirrors, Adaptive optics, Wavefronts, Deformable mirrors, Optical components, Wavefront sensors, Microelectromechanical systems, Wavefront compensation, Telescopes, Optical mounts

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Proceedings Article | 23 January 2006 Paper

USB-based controller for generic MEM device deformable mirrors

Jonathan Andrews, Scott Teare, Christopher Wilcox, Sergio Restaino, Ty Martinez, Don Payne

Proceedings Volume 6113, 61130W (2006) https://doi.org/10.1117/12.647255

KEYWORDS: Microelectromechanical systems, Mirrors, Analog electronics, Adaptive optics, Deformable mirrors, Control systems, Manufacturing, Commercial off the shelf technology, Actuators, Electronics

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Proceedings Article | 23 January 2006 Paper

MEMs based adaptive optics systems: the Naval Research Laboratory Program

Sergio Restaino, Jonathan Andrews, Ty Martinez, Don Payne, Dave Wick, Christopher Wilcox

Proceedings Volume 6113, 61130E (2006) https://doi.org/10.1117/12.649286

KEYWORDS: Microelectromechanical systems, Adaptive optics, Actuators, Mirrors, Imaging systems, Zoom lenses, Analytical research, Wavefronts, Atmospheric corrections

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Proceedings Article | 26 August 2005 Paper

Wide field-of-view imaging system using a liquid crystal spatial light modulator

George Curatu, David Wick, Don Payne, Ty Martinez, Jamie Harriman, James Harvey

Proceedings Volume 5874, 587408 (2005) https://doi.org/10.1117/12.619257

KEYWORDS: Spatial light modulators, Imaging systems, Liquid crystals, Wavefronts, Lenses, Optical design, Reflectivity, Prototyping, Computer simulations, Human vision and color perception

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Proceedings Article | 25 May 2005 Paper

Active optical zoom for laser communication

Ty Martinez, David Wick, Don Payne, Sergio Restaino

Proceedings Volume 5793, (2005) https://doi.org/10.1117/12.603693

KEYWORDS: Active optics, Zoom lenses, Telecommunications, Optical components, Imaging systems, Laser communications, Spatial light modulators, Laser systems engineering, Receivers, Optical design

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Proceedings Article | 19 May 2005 Paper

Large dynamic range wavefront control of micromachined deformable membrane mirrors

David Wick, Don Payne, Ty Martinez, Sergio Restaino

Proceedings Volume 5798, (2005) https://doi.org/10.1117/12.603526

KEYWORDS: Mirrors, Wavefronts, Adaptive optics, Micromachined deformable membrane mirrors, Imaging systems, Active optics, Michelson interferometers, Integrated optics, Zoom lenses, Analytical research

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Proceedings Article | 19 May 2005 Paper

Active optical zoom system

David Wick, Ty Martinez, Don Payne, William Sweatt, Sergio Restaino

Proceedings Volume 5798, (2005) https://doi.org/10.1117/12.603475

KEYWORDS: Zoom lenses, Active optics, Mirrors, Optical components, Imaging systems, Optical design, Spatial light modulators, Lenses, Liquid crystals, Cameras

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Proceedings Article | 20 October 2004 Paper

Use of two deformable mirrors AO system for an interferometric testbed

Sergio Restaino, David Wick, Ty Martinez, Don Payne, G. Gilbreath

Proceedings Volume 5491, (2004) https://doi.org/10.1117/12.548605

KEYWORDS: Adaptive optics, Wavefront sensors, Deformable mirrors, Wavefronts, Mirrors, Scintillation, Telescopes, Cameras, Space telescopes, Imaging systems

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Proceedings Article | 2 February 2004 Paper

Non-mechanical zoom system

Ty Martinez, David Wick, Don Payne, Jeffrey Baker, Sergio Restaino

Proceedings Volume 5234, (2004) https://doi.org/10.1117/12.510373

KEYWORDS: Zoom lenses, Spatial light modulators, Imaging systems, Active optics, Optical components, Lenses, Wavefronts, Liquid crystals, Analytical research, Cameras

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SPIE Journal Paper | 1 January 2004

Adaptive optical zoom

David Wick, Ty Martinez

OE, Vol. 43, Issue 01, (January 2004) https://doi.org/10.1117/12.10.1117/1.1633570

KEYWORDS: Zoom lenses, Active optics, Adaptive optics, Optical components, Spatial light modulators, Imaging systems, Lenses, Optical design, Liquid crystals, Deformable mirrors

Proceedings Article | 21 August 2003 Paper

Tracking system with PCM-laser for space control applications

V. Markov, A. Khizhnyak, B. Zel'dovich, T. Martinez, Shiang Liu

Proceedings Volume 5087, (2003) https://doi.org/10.1117/12.487661

KEYWORDS: Mirrors, Laser systems engineering, Laser resonators, Holograms, Phase conjugation, Satellites, LIDAR, Control systems, Space operations, Resonators

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Proceedings Article | 21 February 2003 Paper

Low-cost innovative telescope

Jeffrey Friedman, Jeffrey Baker, Sergio Restaino, Jim Payne, Raymond Desmarais, Galen Gisler, Don Payne, Ty Martinez

Proceedings Volume 4838, (2003) https://doi.org/10.1117/12.469810

KEYWORDS: Telescopes, Adaptive optics, Mirrors, Secondary tip-tilt mirrors, Baryon acoustic oscillations, Optical tracking, Geometrical optics, Interferometry, Optics manufacturing, Sensors

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Proceedings Article | 21 February 2003 Paper

Results from a portable adaptive optics system on the 1-meter telescope at the Naval Observatory Flagstaff Station

Sergio Restaino, G. Charmaine Gilbreath, Don Payne, Jeffrey Baker, Ty Martinez, Michael DiVittorio, David Mozurkewich, Jeffrey Friedman

Proceedings Volume 4838, (2003) https://doi.org/10.1117/12.479725

KEYWORDS: Adaptive optics, Telescopes, Observatories, Analytical research, Cameras, Imaging systems, Interferometry, Calibration, Interferometers, Wavefront sensors

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Proceedings Article | 6 November 2002 Paper

Active multimodal control of a floppy telescope structure

Jeffrey Baker, Sergio Restaino, Ty Martinez, Jeffrey Friedman

Proceedings Volume 4825, (2002) https://doi.org/10.1117/12.451955

KEYWORDS: Telescopes, Optical tracking, Ocean optics, Sensors, Adaptive optics, Analytical research, Structural dynamics, Control systems, Performance modeling, Mirrors

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Proceedings Article | 6 November 2002 Paper

System concept and some characteristics of the coupled-cavity laser system for active target tracking

Vladimir Markov, Anatoliy Khizhnyak, E. Scott, Boris Zel'dovich, Ty Martinez, Shiang Liu

Proceedings Volume 4825, (2002) https://doi.org/10.1117/12.451961

KEYWORDS: Mirrors, Laser systems engineering, Laser resonators, Phase conjugation, Doppler effect, Light scattering, Satellites, Refractive index, Laser scattering, Pulsed laser operation

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Proceedings Article | 6 November 2002 Paper

Characterization of large-format LC devices for adaptive and active optics

Sergio Restaino, Ty Martinez, Jonathan Andrews, Scott Teare

Proceedings Volume 4825, (2002) https://doi.org/10.1117/12.457853

KEYWORDS: Liquid crystals, Wavefronts, Control systems, LCDs, Active optics, Deformable mirrors, Adaptive optics, Modulation, Refractive index, Analytical research

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Proceedings Article | 17 July 2002 Paper

Wide-field-of-view foveated imaging system using a liquid crystal spatial light modulator

David Wick, Ty Martinez, Jeffrey Baker, Don Payne, Bradley Stone, Sergio Restaino

Proceedings Volume 4715, (2002) https://doi.org/10.1117/12.474470

KEYWORDS: Imaging systems, Spatial light modulators, Liquid crystals, Data transmission, Image compression, Eye, Spatial resolution, Surveillance, Adaptive optics, Unmanned vehicles

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Proceedings Article | 1 February 2002 Paper

Use of accelerometers to reduce dynamic range requirements in an adaptive optics system

Jeffrey Baker, Ty Martinez, Sergio Restaino, David Wick, Don Payne, Galen Gisler, Jeffrey Friedman

Proceedings Volume 4493, (2002) https://doi.org/10.1117/12.454714

KEYWORDS: Adaptive optics, Telescopes, Optical tracking, Mirrors, Ocean optics, Atmospheric optics, Astronomical imaging, Astronomy, Mirror mounts, Control systems

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Proceedings Article | 1 February 2002 Paper

Dynamic holography for high-dynamic-range two-dimensional laser wavefront control

Mark Gruneisen, Ty Martinez, Donald Lubin

Proceedings Volume 4493, (2002) https://doi.org/10.1117/12.454718

KEYWORDS: Wavefronts, Holograms, Optically addressed spatial light modulators, Mirrors, Holography, Diffraction, Liquid crystals, Beam controllers, Cameras, Monochromatic aberrations

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Proceedings Article | 3 November 1999 Paper

Holographic compensation of severe dynamic aberrations in membrane-mirror-based telescope systems

Mark Gruneisen, Ty Martinez, David Wick, James Wilkes, Jeffrey Baker, Isabelle Percheron

Proceedings Volume 3760, (1999) https://doi.org/10.1117/12.367589

KEYWORDS: Mirrors, Optically addressed spatial light modulators, Diffraction, Holograms, Telescopes, Holography, Wavefronts, Cameras, Modulation, Collimation

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Proceedings Article | 20 October 1998 Paper

Correction of large dynamic aberrations by real-time holography using electro-optical devices and nonlinear optical media

Mark Gruneisen, David Wick, Ty Martinez, James Wilkes

Proceedings Volume 3432, (1998) https://doi.org/10.1117/12.327979

KEYWORDS: Optically addressed spatial light modulators, Liquid crystals, Diffraction, Holograms, Mirrors, Wavefronts, Photoresistors, Molecules, Holography, Telescopes

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Proceedings Article | 14 October 1998 Paper

Development of a novel liquid crystal spatial light modulator for real-time holography

David Wick, Ty Martinez, James Wilkes, Mark Gruneisen

Proceedings Volume 3475, (1998) https://doi.org/10.1117/12.326907

KEYWORDS: Optically addressed spatial light modulators, Liquid crystals, Diffraction, Molecules, Diffraction gratings, Holography, Mirrors, Polarization, Spatial frequencies, Ferroelectric LCDs

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Proceedings Article | 17 October 1997 Paper

Final review of adaptive optics results from the preconversion MMT

Michael Lloyd-Hart, James Roger Angel, Todd Groesbeck, Patrick McGuire, David Sandler, Donald McCarthy, Ty Martinez, Bruce Jacobsen, Tom Roberts, Philip Hinz, Jian Ge, Brian McLeod, Guido Brusa, E. Keith Hege, Eric Hooper

Proceedings Volume 3126, (1997) https://doi.org/10.1117/12.290164

KEYWORDS: Stars, Sodium, Telescopes, Adaptive optics, Wavefronts, Mirrors, Galactic astronomy, Atmospheric optics, Cameras, Laser guide stars

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Proceedings Article | 21 March 1997 Paper

Design of the 6.5-m MMT Adaptive Optics System and results from its prototype system FASTTRAC II

Michael Lloyd-Hart, James Roger Angel, David Sandler, Todd Groesbeck, Ty Martinez, Bruce Jacobsen

Proceedings Volume 2871, (1997) https://doi.org/10.1117/12.269123

KEYWORDS: Telescopes, Mirrors, Stars, Adaptive optics, Cameras, Sodium, Sensors, Actuators, Imaging systems, Wavefronts

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Proceedings Article | 25 August 1995 Paper

6.5-m MMT infrared adaptive optics system: detailed design and progress report

David Sandler, Michael Lloyd-Hart, Ty Martinez, Peter Gray, James Roger Angel, Todd Barrett, Donald Bruns, Steven Stahl

Proceedings Volume 2534, (1995) https://doi.org/10.1117/12.217754

KEYWORDS: Mirrors, Infrared imaging, Infrared radiation, Sensors, Sodium, Wavefronts, Stars, Infrared sensors, Optical instrument design, Infrared detectors

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Proceedings Article | 25 August 1995 Paper

FASTTRAC II near-IR adaptive optics system for the Multiple Mirror Telescope: description and preliminary results

Peter Gray, Michael Lloyd-Hart, James Roger Angel, Donald McCarthy, David Sandler, Ty Martinez, Laird Close, Guido Brusa-Zappellini, Donald Bruns, Brian McLeod, Patrick Ryan, Todd Groesbeck, David Wittman, Bruce Jacobsen, John Hughes, Mark Hunten, Matthew Cheselka

Proceedings Volume 2534, (1995) https://doi.org/10.1117/12.217726

KEYWORDS: Telescopes, Mirrors, Cameras, Adaptive optics, Stars, Actuators, Sensors, Charge-coupled devices, Relays, Optical components

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Proceedings Article | 11 August 1995 Paper

Astigmatic-waist TEMoo-output dye laser design

Ty Martinez, James Roger Angel

Proceedings Volume 2537, (1995) https://doi.org/10.1117/12.216395

KEYWORDS: Mirrors, Monochromatic aberrations, Dye lasers, Spherical lenses, Laser development, Fluctuations and noise, Thermal effects, Optical design, Laser resonators, Diffraction

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Proceedings Article | 31 May 1994 Paper

Field evaluation of two new continuous-wave dye laser systems optimized for sodium beacon excitation

Bruce Jacobsen, Ty Martinez, James Roger Angel, Michael Lloyd-Hart, Steve Benda, Dave Middleton, Herbert Friedman, Gaylen Erbert

Proceedings Volume 2201, (1994) https://doi.org/10.1117/12.176068

KEYWORDS: Dye lasers, Telescopes, Sodium, Mirrors, Argon ion lasers, Continuous wave operation, Projection systems, Sodium guide stars, Light scattering, Adaptive optics

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Showing 5 of 73 publications

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