Prof. Anthony J. Hoffman Profile

Prof. Anthony J. Hoffman

at Univ of Notre Dame

SPIE Involvement:

Author | Student Chapter Advisor

Publications (6)

Proceedings Article | 12 March 2024 Presentation + Paper

Spectral selectivity and blackening through direct-write femtosecond micromachining

Nishan Khadka, Yucheng Yang, Anthony Hoffman, Matthew Rosenberger, Edward Kinzel

Proceedings Volume 12878, 128780D (2024) https://doi.org/10.1117/12.3003098

KEYWORDS: Reflectivity, Diffuse reflectance spectroscopy, Laser drilling, Infrared radiation, Micromachining, Stainless steel, Thermography, Scanning electron microscopy, Laser processing, Femtosecond phenomena

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Proceedings Article | 28 September 2023 Presentation + Paper

Building a low-cost strain sensor prototype using fiber Bragg gratings with resonant cavity light emitting diodes

Carlos Mateo Gutierrez, Milan Palei, Cagri Aydinkarahaliloglu, Xiaoxiao Liu, Devin Sullivan, Anthony Hoffman

Proceedings Volume 12665, 1266509 (2023) https://doi.org/10.1117/12.2677399

KEYWORDS: Fiber Bragg gratings, Sensors, Light emitting diodes, Bragg wavelengths, Single mode fibers, Signal to noise ratio, Reflection, Photodiodes, Emission spectrum, Prototyping

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Proceedings Article | 16 February 2017 Paper

Mid- and far-infrared optical characterization of monoclinic HfO2 nanoparticles and evidence of localized surface phonon polaritons

Owen Dominguez, Tracie McGinnity, Ryan Roeder, Anthony Hoffman

Proceedings Volume 10100, 101001G (2017) https://doi.org/10.1117/12.2252844

KEYWORDS: Raman spectroscopy, Phonons, Nanoparticles, Polaritons, Reflection, Hybrid fiber optics, Thin films, Gold, Crystals, Dielectrics

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Proceedings Article | 10 September 2013 Paper

FDTD modeling of chip-to-chip waveguide coupling via optical quilt packaging

Tahsin Ahmed, Thomas Butler, Aamir Khan, Jason Kulick, Gary Bernstein, Anthony Hoffman, Scott Howard

Proceedings Volume 8844, 88440C (2013) https://doi.org/10.1117/12.2024088

KEYWORDS: Waveguides, Quantum cascade lasers, Finite-difference time-domain method, Packaging, Integrated optics, Mid-IR, Waveguide modes, Copper, Semiconductors, Single mode fibers

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Proceedings Article | 3 February 2009 Paper

Rapid and minimally invasive quantum cascade wafer testing

Ekua Bentil, Fatima Toor, Anthony Hoffman, Matthew Escarra, Claire Gmachl

Proceedings Volume 7230, 72300T (2009) https://doi.org/10.1117/12.810258

KEYWORDS: Semiconducting wafers, Quantum cascade lasers, Wafer testing, Wafer-level optics, Temperature metrology, Laser damage threshold, Electroluminescence, Lithography, Pulsed laser operation, Etching

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Proceedings Article | 3 February 2009 Paper

Voltage tuning of gain spectra in quantum cascade lasers

Yu Yao, Kale Franz, Zhijun Liu, Anthony Hoffman, Claire Gmachl

Proceedings Volume 7230, 723012 (2009) https://doi.org/10.1117/12.808295

KEYWORDS: Electroluminescence, Laser damage threshold, Laser scattering, Quantum cascade lasers, Tunable lasers, Resistance, Quantum wells, Scattering, Laser development, Luminescence

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Showing 5 of 6 publications

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