Dr. Brett D. Guenther Profile

Dr. Brett D. Guenther

Director, Optical Engineering

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Author

Publications (9)

Proceedings Article | 19 July 1999 Paper

Photorefractive polymers with video-rate performance

Nasser Peyghambarian, Kyle Ferrio, Jon Herlocker, Eric Hendrickx, Brett Guenther, Bernard Kippelen, Stephane Mery

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354773

KEYWORDS: Chromophores, Photorefractive polymers, Diffraction, Composites, Diffraction gratings, Ellipsometry, Polymers, Holography, Transparency, Visible radiation

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Proceedings Article | 18 May 1999 Paper

4-ms response time in a photorefractive polymer

Jon Herlocker, Kyle Ferrio, Eric Hendrickx, Brett Guenther, Stephane Mery, Bernard Kippelen, Nasser Peyghambarian

Proceedings Volume 3623, (1999) https://doi.org/10.1117/12.348395

KEYWORDS: Chromophores, Composites, Photorefractive polymers, Diffraction, Four wave mixing, Absorption, Polymers, Ellipsometry, Birefringence, Diffraction gratings

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Proceedings Article | 14 October 1998 Paper

Self-defocusing and optical limiting of nano-Watt cw laser and image processing at u-Watt/cm2 intensity with nematic liquid crystals

Iam-Choon Khoo, Michael Wood, Pao Chen, Min-Yi Shih, Brett Guenther

Proceedings Volume 3475, (1998) https://doi.org/10.1117/12.326900

KEYWORDS: Liquid crystals, Optical limiting, Image processing, Diffraction, Refractive index, Continuous wave operation, Diffraction gratings, Laser processing, Birefringence, Electrodes

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Proceedings Article | 12 October 1998 Paper

Novel liquid-cored fiber and liquid crystal film for sensor protection against visible ps-cw lasers

Iam-Choon Khoo, Michael Wood, Pao Chen, Min-Yi Shih, Brett Guenther

Proceedings Volume 3472, (1998) https://doi.org/10.1117/12.326888

KEYWORDS: Absorption, Fiber lasers, Liquids, Liquid crystals, Optical limiting, Picosecond phenomena, Pulsed laser operation, Laser energy, Continuous wave operation, Laser damage threshold

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Proceedings Article | 30 October 1997 Paper

Beam amplification and cleanup with two- and four-wave mixing in photorefractive nematic liquid crystal films

Brett Guenther, Iam-Choon Khoo

Proceedings Volume 3143, (1997) https://doi.org/10.1117/12.290765

KEYWORDS: Liquid crystals, Four wave mixing, Laser beam diagnostics, Photorefraction, Phase shifts, Wave propagation, Nonlinear optics, Adaptive optics, Crystals, Polarization

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Proceedings Article | 10 October 1997 Paper

Analytical modeling of nonlinear- and excited-state-absorption and optical limiting in a liquid-cored fiber array

Iam-Choon Khoo, Michael Wood, Min-Yi Shih, Brett Guenther, Pao Chen

Proceedings Volume 3146, (1997) https://doi.org/10.1117/12.284162

KEYWORDS: Absorption, Optical limiting, Liquids, Fiber lasers, Cladding, Nonlinear optics, Liquid crystals, Picosecond phenomena, Thermal effects, Image resolution

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Proceedings Article | 16 December 1996 Paper

Photorefractivity, phase conjugation, and thermal wave mixing effects in the visible and near-IR spectral region for dye and fullerence C60-doped nematic liquid crystals

Brett Guenther, Michael Wood, Iam-Choon Khoo

Proceedings Volume 2854, (1996) https://doi.org/10.1117/12.262977

KEYWORDS: Liquid crystals, Diffraction, Phase conjugation, Thermal effects, Absorption, Liquids, Fullerenes, Anisotropy, Visible radiation, Electro optics

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Proceedings Article | 7 October 1996 Paper

Isotropic liquid crystal cored fiber structures for optical limiting of nanosecond and picosecond laser pulses

Michael Wood, Ming Lee, Brett Guenther, Iam-Choon Khoo

Proceedings Volume 2853, (1996) https://doi.org/10.1117/12.253476

KEYWORDS: Absorption, Liquid crystals, Picosecond phenomena, Optical limiting, Nonlinear optics, Pulsed laser operation, Laser damage threshold, Scattering, Laser energy, Fiber lasers

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Proceedings Article | 18 August 1995 Paper

Narrowband filter using multiple photorefractive gratings

Shizhuo Yin, Brett Guenther, Francis Yu

Proceedings Volume 2529, (1995) https://doi.org/10.1117/12.217007

KEYWORDS: Optical filters, Signal to noise ratio, Crystals, Holography, Filtering (signal processing), Tunable filters, Refractive index, Diffraction gratings, Electro optics, Diffraction

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Showing 5 of 9 publications

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