Dr. Stephen C. Warren-Smith Profile

Dr. Stephen C. Warren-Smith

Senior Research Fellow at Univ of South Australia

SPIE Involvement:

Author

Publications (27)

Proceedings Article | 13 March 2024 Presentation

High efficiency multimode to single mode fiber conversion using wavefront shaping

Stephen Warren-Smith, Md. Istiaque Reja, Ori Henderson-Sapir, Linh Nguyen

Proceedings Volume PC12901, PC129010T (2024) https://doi.org/10.1117/12.3000121

KEYWORDS: Wavefronts, Single mode fibers, Multimode fibers, Diffraction limit, Diffraction, Phase shift keying, Optical fibers, Modulation, Telecommunications, Spatial filtering

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Proceedings Article | 12 March 2024 Paper

Near-field beam shaping in high-power single-frequency pulsed Er/Yb co-doped multimode fiber amplifier by seed wavefront modulation

Shuen Wei, Ori Henderson-Sapir, Linh Nguyen, Stephen Warren-Smith, Heike Ebendorff-Heidepriem, David Ottaway

Proceedings Volume 12865, 128650C (2024) https://doi.org/10.1117/12.3000920

KEYWORDS: Wavefronts, Multimode fibers, Spatial light modulators, Near field, Modulation, Image processing, Beam shaping, Pulse signals, Near field optics, Fiber amplifiers

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Proceedings Article | 12 March 2024 Paper

2 µm simple tunable fibre laser source for optimizing pumping of 3.5 µm dual-wavelength pumping systems and material absorption characterization

Ori Henderson-Sapir, Adam Gambell, Stephen Warren-Smith, David Ottaway

Proceedings Volume 12865, 1286519 (2024) https://doi.org/10.1117/12.2692783

KEYWORDS: Light absorption, Fiber lasers, Observatories, Laser systems engineering, LIGO, Tunable lasers, Photonics, Mid infrared

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Proceedings Article | 12 March 2024 Poster + Paper

Toward a holmium doped multimode fiber amplifier with high quality focused output using wavefront-shaping

Linh Nguyen, Michael Oermann, Dmitrii Stepanov, Ka Wu, David Lancaster, Shahraam Afshar, David Ottaway, Heike Ebendorff-Heidepriem, Stephen Warren-Smith

Proceedings Volume 12865, 1286518 (2024) https://doi.org/10.1117/12.2687927

KEYWORDS: Multimode fibers, Holmium, Fiber lasers, Spatial light modulators, Polarization, Transverse mode instability, Near field, Wavefronts, Laser sources, Fiber amplifiers

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Proceedings Article | 20 March 2023 Presentation

Optimal input excitation for SBS suppression in multimode fibers

Kabish Wisal, Chun-Wei Chen, Zeyu Kuang, Stephen Warren-Smith, Owen Miller, Hui Cao, A. Douglas Stone

Proceedings Volume PC12415, PC1241509 (2023) https://doi.org/10.1117/12.2649470

KEYWORDS: Multimode fibers, Wavefronts, Transform theory, Step index fibers, Scattering, MATLAB, Computer programming

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SPIE Journal Paper | 24 June 2022 Open Access

Multimode optical fiber specklegram smart bed sensor array

Stephen Warren-Smith, Adam Kilpatrick, Kabish Wisal, Linh V. Nguyen

JBO, Vol. 27, Issue 06, 067002, (June 2022) https://doi.org/10.1117/12.10.1117/1.JBO.27.6.067002

KEYWORDS: Sensors, Optical fibers, Multimode fibers, Cameras, Medicine, Heart, Fiber optics sensors, Vital signs, Speckle pattern, Detector arrays

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Proceedings Article | 1 April 2022 Presentation

Generalized theory of SBS in multimode fiber amplifiers

Kabish Wisal, Stephen Warren-Smith, Chun-Wei Chen, Ryan Behunin, Hui Cao, A. Douglas Stone

Proceedings Volume PC11995, PC1199504 (2022) https://doi.org/10.1117/12.2608336

KEYWORDS: Multimode fibers, Fiber amplifiers, Acoustics, Optical amplifiers, Nonlinear optics, Wavefronts, Scattering, Polarization, Modes of laser operation, Electrostriction

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Proceedings Article | 30 December 2019 Paper

Multi-point high temperature optical fiber sensor

Erik Schartner, Linh Nguyen, Dale Otten, Zheng Yu, David Lancaster, Heike Ebendorff-Heidepriem, Stephen Warren-Smith

Proceedings Volume 11200, 1120038 (2019) https://doi.org/10.1117/12.2541105

KEYWORDS: Fiber Bragg gratings, Optical fibers, Fiber optics sensors, Temperature metrology, Structured optical fibers, Multiplexing

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Proceedings Article | 30 December 2019 Paper

Multi-point optical fiber pressure sensor

Linh Nguyen, Erik Schartner, Dale Otten, Zheng Yu, David Lancaster, Heike Ebendorff-Heidepriem, Stephen Warren-Smith

Proceedings Volume 11200, 112000X (2019) https://doi.org/10.1117/12.2541295

KEYWORDS: Sensors, Fiber Bragg gratings, Optical fibers, Fiber optics sensors, Interferometers, Temperature metrology, Fiber optics tests, Fiber optics, Specialty optical fibers

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Proceedings Article | 30 December 2019 Paper

Chemical sensing based on silk coated exposed-core fibers

Lu Peng, Asma Khalid, Stephen Warren-Smith, Azim Arman, Erik Schartner, Georgina Maree Sylvia, Mark Hutchinson, Heike Ebendorff-Heidepriem, Robert McLaughlin, Brant Gibson, Jiawen Li

Proceedings Volume 11202, 112020G (2019) https://doi.org/10.1117/12.2541320

KEYWORDS: Optical fibers, Coating, Biological and chemical sensing, Sensors, Luminescence, Fiber optics sensors, Structured optical fibers

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Proceedings Article | 27 February 2019 Presentation + Paper

Fabrication of imaging microstructured optical fibers

Stephen Warren-Smith, Alastair Dowler, Heike Ebendorff-Heidepriem

Proceedings Volume 10872, 108720K (2019) https://doi.org/10.1117/12.2507673

KEYWORDS: Glasses, Structured optical fibers, Optical imaging, Optical fibers, 3D printing

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Proceedings Article | 23 April 2017 Paper

High temperature sensing with single material silica optical fibers

Stephen Warren-Smith, Linh Nguyen, Heike Ebendorff-Heidepriem, Tanya Monro

Proceedings Volume 10323, 103233M (2017) https://doi.org/10.1117/12.2265205

KEYWORDS: Laser ablation, Femtosecond phenomena, Multiplexing, Silica, Optical fibers, Fiber Bragg gratings, Temperature metrology, Sensors, Interferometry, Single mode fibers

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Proceedings Article | 23 April 2017 Paper

Combined microfiber knot resonator and focused ion beam-milled Mach-Zehnder interferometer for refractive index measurement

André Gomes, Ricardo André, Stephen Warren-Smith, Jan Dellith, Martin Becker, Manfred Rothhardt, Orlando Frazão

Proceedings Volume 10323, 1032340 (2017) https://doi.org/10.1117/12.2265387

KEYWORDS: Scanning electron microscopy, Resonators, Refractive index, Sensors, Mach-Zehnder interferometers, Ion beams, Ions, Visible radiation, Modulation, Temperature metrology

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Proceedings Article | 24 November 2016 Paper

Ultra-small Fabry-Perot cavities in tapered optical fibers

Stephen Warren-Smith, Ricardo André, Jan Dellith, Hartmut Bartelt

Proceedings Volume 10013, 100131A (2016) https://doi.org/10.1117/12.2243631

KEYWORDS: Fabry–Perot interferometers, Sensors, Optical fibers, Ion beams, Fiber optics sensors, Tapered optical fibers, Refractive index, Reflection, Water, Interferometers

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Proceedings Article | 15 September 2016 Presentation + Paper

Tapered optical fiber tip probes based on focused ion beam-milled Fabry-Perot microcavities

Ricardo André, Stephen Warren-Smith, Martin Becker, Jan Dellith, Manfred Rothhardt, M. Zibaii, H. Latifi, Manuel B. Marques, Hartmut Bartelt, Orlando Frazão

Proceedings Volume 9927, 99270R (2016) https://doi.org/10.1117/12.2236321

KEYWORDS: Refractive index, Tapered optical fibers, Optical microcavities, Ion beams, Fabry–Perot interferometers, Wet etching, Silica, Water, Ions, Solids

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Proceedings Article | 30 May 2016 Paper

Fiber probe microcavities for refractive index and temperature discrimination

Ricardo André, Stephen Warren-Smith, Martin Becker, Jan Dellith, Manfred Rothhardt, M. Zibaii, H. Latifi, Manuel Marques, Hartmut Bartelt, Orlando Frazão

Proceedings Volume 9916, 991616 (2016) https://doi.org/10.1117/12.2236009

KEYWORDS: Optical microcavities, Refractive index, Ion beams, Structured optical fibers, Fabry–Perot interferometry, Fiber optics sensors, Laser beam diagnostics, Electronic filtering, Fourier transforms, Bandpass filters, Sensors, Water, Ions, Silica

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Proceedings Article | 29 April 2016 Paper

High temperature fiber sensor using the interference effect within a suspended core microstructured optical fiber

Linh Nguyen, Stephen Warren-Smith, Heike Ebendorff-Heidepriem, Tanya Monro

Proceedings Volume 9899, 98991H (2016) https://doi.org/10.1117/12.2227354

KEYWORDS: Fiber optics sensors, Sensors, Fiber Bragg gratings, Structured optical fibers, Phase shifts, Standards development, Optical filters, Temperature sensors, Single mode fibers, Head, Temperature metrology, Spatial frequencies, Optical fibers, Linear filtering

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Proceedings Article | 29 April 2016 Paper

Multiplexed refractive index-based sensing using optical fiber microcavities

Stephen Warren-Smith, Ricardo André, Jan Dellith, Hartmut Bartelt

Proceedings Volume 9899, 98991G (2016) https://doi.org/10.1117/12.2227113

KEYWORDS: Optical fibers, Multiplexing, Sensors, Fiber optics sensors, Ion beams, Refractive index, Fabry–Perot interferometers, Interferometry, Fourier transforms, Coating, Optical sensing, Reflection, Bioalcohols

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Proceedings Article | 2 June 2014 Paper

Fibre-optic photochemical stroke: generating and measuring photochemical changes inside the brain

G. Tsiminis, T. Klarić, E. Schartner, S. Warren-Smith, M. Lewis, S. Koblar, T. Monro

Proceedings Volume 9157, 9157D4 (2014) https://doi.org/10.1117/12.2071261

KEYWORDS: Brain, Luminescence, In vivo imaging, Optical fibers, In vitro testing, Optical filters, Sensors, Tissues, Skull, Spectroscopy

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Proceedings Article | 2 June 2014 Paper

Interferometric fiber sensor using exposed core microstructured optical fiber for refractive index based biochemical sensing

Linh Viet Nguyen, Stephen Warren-Smith, Alan Cooper, Tanya Monro

Proceedings Volume 9157, 91574P (2014) https://doi.org/10.1117/12.2059155

KEYWORDS: Single mode fibers, Biosensing, Sensors, Interferometry, Fiber optics sensors, Refractive index, Structured optical fibers, Optical fibers, Liquids, Cladding

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Proceedings Article | 2 June 2014 Paper

Sensitivity improvements of exposed-core microstructured optical fibre Bragg grating refractive index sensors

S. Warren-Smith, T. Monro

Proceedings Volume 9157, 91577S (2014) https://doi.org/10.1117/12.2059161

KEYWORDS: Refractive index, Fiber Bragg gratings, Structured optical fibers, Sensors, Femtosecond phenomena, Water, Biosensing, Radon, Multiplexing, Micro optical fluidics

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Proceedings Article | 7 November 2012 Paper

DNA detection using molecular beacon in soft-glass microstructured optical fibers

Linh Nguyen, Stephen Warren-Smith, Alan Cooper, Tanya Monro

Proceedings Volume 8421, 84215M (2012) https://doi.org/10.1117/12.966847

KEYWORDS: Micro optical fluidics, Luminescence, Glasses, Structured optical fibers, Optical fibers, Signal detection, Laser resonators, Molecular photonics, Light, Sensors

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Proceedings Article | 17 October 2012 Paper

Suspended core optical fibers for biological applications using UV wavelengths

S. Warren-Smith, G. Nie, J. Kobelke, R. Kostecki, L. Salamonsen, T. Monro

Proceedings Volume 8421, 84211E (2012) https://doi.org/10.1117/12.970611

KEYWORDS: Luminescence, Ultraviolet radiation, Optical fibers, Structured optical fibers, Micro optical fluidics, Silica, Biosensing, Sensors, Fiber coupled lasers, Fiber couplers

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Proceedings Article | 5 October 2009 Paper

Exposed-core microstructured fibres for real-time fluorescence sensing

Stephen Warren-Smith, Heike Ebendorff-Heidepriem, Tze Cheung Foo, Roger Moore, Claire Davis, Tanya Monro

Proceedings Volume 7503, 750357 (2009) https://doi.org/10.1117/12.834457

KEYWORDS: Luminescence, Micro optical fluidics, Structured optical fibers, Glasses, Etching, Sensors, Time metrology, Quantum dots, Capillaries, Absorption

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Proceedings Article | 5 October 2009 Paper

Practical sensitive fluorescence sensing with microstructured fibres

E. Schartner, R. White, S. Warren-Smith, T. Monro

Proceedings Volume 7503, 75035X (2009) https://doi.org/10.1117/12.835350

KEYWORDS: Luminescence, Glasses, Photodiodes, Cladding, Signal detection, Spectrum analysis, Sensors, Micro optical fluidics, Structured optical fibers, Fluorescence spectroscopy

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Proceedings Article | 16 May 2008 Paper

Highly efficient fluorescence sensing using microstructured optical fibres: general model and experiment

Shahraam Afshar V., Yinlan Ruan, Stephen Warren-Smith, Heike Ebendorff-Heidepriem, Tanya Monro

Proceedings Volume 7004, 70042Q (2008) https://doi.org/10.1117/12.785997

KEYWORDS: Luminescence, Micro optical fluidics, Glasses, Structured optical fibers, Absorption, Quantum dots, Silica, Bismuth, Optical sensing, Fiber optics sensors

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Proceedings Article | 16 May 2008 Paper

Highly efficient fluorescence sensing using microstructured optical fibres: side-access and thin-layer configurations

S. Warren-Smith, S. Afshar V., T. Monro

Proceedings Volume 7004, 70041X (2008) https://doi.org/10.1117/12.785887

KEYWORDS: Luminescence, Sensors, Micro optical fluidics, Refractive index, Structured optical fibers, Signal attenuation, Bismuth, Performance modeling, Sensing systems, Glasses

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Showing 5 of 27 publications

Conference Committee Involvement (1)

29th International Conference on Optical Fiber Sensors

25 May 2025 | Porto, Portugal

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