Dr. Thomas Weyrauch Profile

Dr. Thomas Weyrauch

Senior Research Scientist at Univ of Dayton

SPIE Involvement:

Author

Publications (23)

Proceedings Article | 12 March 2024 Presentation + Paper

Line-scan, fiber-based confocal sensing for surface characterization and thermal distribution monitoring for selective laser melting system

Yujie Yang, Thomas Weyrauch

Proceedings Volume 12876, 128760A (2024) https://doi.org/10.1117/12.3003059

KEYWORDS: Laser radiation, Optical surfaces, Line scan image sensors, Laser processing, Metals, Prototyping, Carbon fibers, Surface roughness, Spatial light modulators, Confocal microscopy

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Proceedings Article | 5 October 2023 Presentation

Line-scan, fiber-based surface characterization and temperature monitoring for laser material processing

Yujie Yang, Thomas Weyrauch

Proceedings Volume 12672, 126720A (2023) https://doi.org/10.1117/12.2679497

KEYWORDS: Laser processing, Line scan image sensors, Optical surfaces, Spatial light modulators, Sensing systems, Laser stabilization, Optical sensing, Laser welding, Laser scattering, Laser applications

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Proceedings Article | 7 December 2016 Presentation

Beam shaping through atmospheric turbulence with an adaptive coherent tiled array transmitter for optical power transfer (Conference Presentation)

Thomas Weyrauch, Mikhail Vorontsov, David Bricker, Yoshihiro Masui

Proceedings Volume 9979, 997902 (2016) https://doi.org/10.1117/12.2238843

KEYWORDS: Solar cells, Beam shaping, Transmitters, Photovoltaics, Atmospheric turbulence, Adaptive optics, Atmospheric propagation, Optical arrays, Atmospheric optics, Ocean optics

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Proceedings Article | 22 February 2011 Paper

Experimental study of phase locking of fiber collimators using internal beam-tail interference

Svetlana Lachinova, Thomas Weyrauch, Leonid Beresnev, Mikhail Vorontsov, Gary Carhart, Jiang Liu

Proceedings Volume 7914, 79142Z (2011) https://doi.org/10.1117/12.877300

KEYWORDS: Collimators, Mode locking, Beam splitters, Feedback control, Feedback loops, Wavefronts, Diffractive optical elements, Optical components, Photodiodes, Gaussian beams

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Proceedings Article | 20 August 2008 Paper

Development of adaptive fiber collimators for conformal fiber-based beam projection systems

Ling Liu, Gary Carhart, Leonid Beresnev, Thomas Weyrauch, Mikhail Vorontsov

Proceedings Volume 7090, 709008 (2008) https://doi.org/10.1117/12.800488

KEYWORDS: Actuators, Collimators, Polarization, Mode locking, Prototyping, Structured optical fibers, Projection systems, Interferometers, Metals, Control systems

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Proceedings Article | 25 September 2007 Paper

Adaptive phase-locked fiber array with wavefront phase tip-tilt compensation using piezoelectric fiber positioners

Ernst Polnau, Mikhail Vorontsov, Ling Liu, Thomas Weyrauch, Leonid Beresnev

Proceedings Volume 6708, 67080K (2007) https://doi.org/10.1117/12.736366

KEYWORDS: Control systems, Wavefronts, Phase modulation, Phase shifts, Mode locking, Charge-coupled devices, Mirrors, Target detection, CCD image sensors, Sensors

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Proceedings Article | 25 September 2007 Paper

Adaptive optical antennas: design and evaluation

Thomas Weyrauch, Ernst Polnau, Mikhail Vorontsov, Gary Carhart, Galina Simonova, Leonid Beresnev

Proceedings Volume 6708, 67080R (2007) https://doi.org/10.1117/12.739011

KEYWORDS: Antennas, Adaptive optics, Mirrors, Telecommunications, Atmospheric propagation, Transceivers, Atmospheric optics, Optical antennas, Free space optics, Deformable mirrors

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Proceedings Article | 25 September 2007 Paper

Adaptive compensation over a 2.33 km propagation path with retro reflectors under strong scintillation conditions

Gary Carhart, Mikhail Vorontsov, Ernst Polnau, Thomas Weyrauch, Leonid Beresnev

Proceedings Volume 6708, 67080C (2007) https://doi.org/10.1117/12.736310

KEYWORDS: Telescopes, Control systems, Adaptive optics, Reflectors, Signal detection, Sensors, Deformable mirrors, Fiber lasers, Turbulence, Atmospheric propagation

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Proceedings Article | 18 October 2004 Paper

Atmospheric compensation over a 2.3 km propagation path with a multi-conjugate (piston-MEMS/modal DM) adaptive system

Mikhail Vorontsov, Thomas Weyrauch, Leonid Beresnev, Ling Liu

Proceedings Volume 5552, (2004) https://doi.org/10.1117/12.561998

KEYWORDS: Mirrors, Control systems, Wavefronts, Adaptive optics, Deformable mirrors, Atmospheric propagation, Atmospheric optics, Microelectromechanical systems, Sensors, Actuators

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Proceedings Article | 11 December 2003 Paper

Mitigation of atmospheric-turbulence effects over a 2.4-km near-horizontal propagation path with 134 control-channel MEMS/VLSI adaptive transceiver system

Thomas Weyrauch, Mikhail Vorontsov

Proceedings Volume 5162, (2003) https://doi.org/10.1117/12.508080

KEYWORDS: Adaptive optics, Atmospheric propagation, Receivers, Mirrors, Turbulence, Transceivers, Scintillation, Single mode fibers, Wave propagation, Very large scale integration

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Proceedings Article | 11 December 2003 Paper

Atmospheric laser optics testbed (A_LOT): atmospheric propagation characterization, beam control, and imaging results

Thomas Weyrauch, John Carrano, Matt Banta, John Gowens, Gary Carhart, Mikhail Vorontsov

Proceedings Volume 5162, (2003) https://doi.org/10.1117/12.507524

KEYWORDS: Laser communications, Atmospheric optics, Imaging systems, Image quality, Atmospheric propagation, Telecommunications, Atmospheric turbulence, Sensors, Video, Fourier transforms

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Proceedings Article | 6 November 2002 Paper

Adaptive compensation of atmospheric effects with a high-resolution micromachined deformable mirror

Mikhail Vorontsov, John Gowens, Thomas Weyrauch

Proceedings Volume 4825, (2002) https://doi.org/10.1117/12.451972

KEYWORDS: Adaptive optics, Beam steering, Mirrors, Semiconductor lasers, Fiber couplers, Free space optics, Transmitters, Control systems, Receivers, Very large scale integration

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Proceedings Article | 29 January 2002 Paper

Free-space laser communication using a partially coherent laser source

Jennifer Ricklin, Thomas Weyrauch, Frederic Davidson

Proceedings Volume 4538, (2002) https://doi.org/10.1117/12.454413

KEYWORDS: Turbulence, Atmospheric propagation, Collimation, Beam propagation method, Wave propagation, Telecommunications, Receivers, Laser beam propagation, Atmospheric turbulence, Spherical lenses

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Proceedings Article | 22 January 2002 Paper

Fiber coupling with adaptive optics for free-space optical communication

Mikhail Vorontsov, Thomas Weyrauch, Jay Gowens, Thomas Bifano

Proceedings Volume 4489, (2002) https://doi.org/10.1117/12.453227

KEYWORDS: Fiber couplers, Adaptive optics, Optimization (mathematics), Free space optical communications, Control systems, Deformable mirrors, Actuators, Telecommunications, Very large scale integration, Receivers

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Proceedings Article | 22 November 2000 Paper

Adaptive optics system with micromachined mirror array and stochastic gradient descent controller

Thomas Weyrauch, Thomas Bifano, Michael Giles, Mikhail Vorontsov

Proceedings Volume 4124, (2000) https://doi.org/10.1117/12.407500

KEYWORDS: Mirrors, Actuators, Microelectromechanical systems, Control systems, Stochastic processes, Very large scale integration, Adaptive optics, Deformable mirrors, Laser systems engineering, Optical amplifiers

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Proceedings Article | 22 November 2000 Paper

Performance evaluation of micromachined mirror arrays for adaptive optics

Mikhail Vorontsov, Jay Hammer, Thomas Weyrauch, John Karpinsky, Thomas Bifano, Victor Bright, Adisorn Tuantranont

Proceedings Volume 4124, (2000) https://doi.org/10.1117/12.407514

KEYWORDS: Mirrors, Microelectromechanical systems, Actuators, Adaptive optics, Control systems, Deformable mirrors, Very large scale integration, Optimization (mathematics), Stochastic processes, Silicon

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Proceedings Article | 22 November 2000 Paper

Ferroelectric and antiferroelectric liquid crystals for optical phase modulation

Thomas Weyrauch, Leonid Beresnev, Wolfgang Dultz, Sergei Pikin

Proceedings Volume 4124, (2000) https://doi.org/10.1117/12.407489

KEYWORDS: Refractive index, Molecules, Liquid crystals, Polarization, Phase shift keying, Geometrical optics, Phase modulation, Modulation, Crystal optics, Modulators

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Proceedings Article | 3 November 1999 Paper

Polarization nonsensitive optical phase modulator based on two DHF (deformed helix ferroelectric) liquid crystal layers

Berndt Hils, Leonid Beresnev, Wolfgang Dultz, Thomas Weyrauch, Wolfgang Haase

Proceedings Volume 3760, (1999) https://doi.org/10.1117/12.367594

KEYWORDS: Refractive index, Modulators, Polarization, Liquid crystals, Phase modulation, Phase shifts, Phase shift keying, Modulation, Anisotropy, Ferroelectric LCDs

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Proceedings Article | 18 May 1999 Paper

Mobility of dyes in a polymer matrix: frequency-dependent electroabsorption

Stephen Saal, Thomas Weyrauch, Wolfgang Haase, S. Grossmann

Proceedings Volume 3623, (1999) https://doi.org/10.1117/12.348394

KEYWORDS: Molecules, Polymers, Spectroscopy, Glasses, Absorption, Polymethylmethacrylate, Chromophores, Modulation, Dielectrics, Molecular spectroscopy

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Proceedings Article | 28 April 1999 Paper

10-Gb/s PMD compensation using ferroelectric liquid crystals and several PMD penalty signals

Thomas Weyrauch, D. Sandel, M. Yoshida-Dierolf, Wolfgang Haase, V. Mirvoda, L. Beresnev, S. Hinz, Reinhold Noe

Proceedings Volume 3666, (1999) https://doi.org/10.1117/12.347966

KEYWORDS: Polarization, Ferroelectric LCDs, Picosecond phenomena, Eye, Transmitters, Bandpass filters, Poincaré sphere, Signal attenuation, Receivers, Transformers

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Proceedings Article | 20 October 1998 Paper

Development of the optically addressed spatial light modulators for dynamic holography applications using deformed-helix ferroelectric liquid crystals

Wolfgang Dultz, Nikolai Feoktistov, Elena Konshina, Leonid Beresnev, Arkady Onokhov, Aleksander Chaika, Vladimir Berenberg, Mikhail Isaev, Wolfgang Haase, Thomas Weyrauch, Nataliya Ivanova

Proceedings Volume 3432, (1998) https://doi.org/10.1117/12.327980

KEYWORDS: Optically addressed spatial light modulators, Diffraction, Spatial resolution, Mercury, Mirrors, Photoresistors, Polymers, Ferroelectric LCDs, Silicon carbide, Silicon films

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Proceedings Article | 16 December 1993 Paper

Relaxation of piezoelectricity and nonlinear optical properties of poled polymers

Thomas Weyrauch, E. Jakob, Wolfgang Haase, R. Willner

Proceedings Volume 2025, (1993) https://doi.org/10.1117/12.165258

KEYWORDS: Polymers, Second-harmonic generation, Glasses, Temperature metrology, Piezoelectric effects, Electroactive polymers, Polarization, Nonlinear optics, Power supplies, Harmonic generation

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Proceedings Article | 25 February 1993 Paper

New stilbene compounds for nonlinear optics

Thomas Hanemann, Thomas Weyrauch, Wolfgang Haase, E. Soto Bustamante

Proceedings Volume 1775, (1993) https://doi.org/10.1117/12.139198

KEYWORDS: Molecules, Absorption, Polymethylmethacrylate, Organic materials, Polymers, Spectroscopy, Nonlinear optics, Crystals, Nonlinear crystals, Liquids

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Showing 5 of 23 publications

Conference Committee Involvement (16)

Laser Communication and Propagation through the Atmosphere and Oceans XII

22 August 2023 | San Diego, California, United States

Laser Communication and Propagation through the Atmosphere and Oceans XI

22 August 2022 | San Diego, California, United States

Laser Communication and Propagation through the Atmosphere and Oceans X

3 August 2021 | San Diego, California, United States

Laser Communication and Propagation through the Atmosphere and Oceans IX

24 August 2020 | Online Only, California, United States

Laser Communication and Propagation through the Atmosphere and Oceans VIII

13 August 2019 | San Diego, California, United States

Laser Communication and Propagation through the Atmosphere and Oceans VII

20 August 2018 | San Diego, California, United States

Laser Communication and Propagation through the Atmosphere and Oceans VI

8 August 2017 | San Diego, California, United States

Laser Communication and Propagation through the Atmosphere and Oceans V

30 August 2016 | San Diego, California, United States

Laser Communication and Propagation through the Atmosphere and Oceans IV

10 August 2015 | San Diego, California, United States

Laser Communication and Propagation through the Atmosphere and Oceans III

17 August 2014 | San Diego, California, United States

Laser Communication and Propagation through the Atmosphere and Oceans II

26 August 2013 | San Diego, California, United States

Laser Communication and Propagation through the Atmosphere and Oceans

13 August 2012 | San Diego, California, United States

Atmospheric Optics: Turbulence and Propagation

23 August 2011 | San Diego, California, United States

Atmospheric Optics: Models, Measurements, and Target-in-the-Loop Propagation III

3 August 2009 | San Diego, California, United States

Atmospheric Optics: Models, Measurements, and Target-in-the-Loop Propagation II

12 August 2008 | San Diego, California, United States

Atmospheric Optics: Models, Measurements, and Target-in-the-Loop Propagation

27 August 2007 | San Diego, California, United States

Showing 5 of 16 Conference Committees

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