Dr. Thomas Weyrauch Profile

Dr. Thomas Weyrauch

SPIE Involvement:

Conference Program Committee | Author

Publications (21)

PROCEEDINGS ARTICLE | December 7, 2016

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

Proc. SPIE. 9979, Laser Communication and Propagation through the Atmosphere and Oceans V

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

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PROCEEDINGS ARTICLE | February 22, 2011

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

Proc. SPIE. 7914, Fiber Lasers VIII: Technology, Systems, and Applications

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

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PROCEEDINGS ARTICLE | August 20, 2008

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

Proc. SPIE. 7090, Atmospheric Optics: Models, Measurements, and Target-in-the-Loop Propagation II

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

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PROCEEDINGS ARTICLE | September 25, 2007

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

Proc. SPIE. 6708, Atmospheric Optics: Models, Measurements, and Target-in-the-Loop Propagation

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

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PROCEEDINGS ARTICLE | September 25, 2007

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

Proc. SPIE. 6708, Atmospheric Optics: Models, Measurements, and Target-in-the-Loop Propagation

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

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PROCEEDINGS ARTICLE | September 25, 2007

Adaptive optical antennas: design and evaluation

Proc. SPIE. 6708, Atmospheric Optics: Models, Measurements, and Target-in-the-Loop Propagation

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

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PROCEEDINGS ARTICLE | October 18, 2004

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

Proc. SPIE. 5552, Target-in-the-Loop: Atmospheric Tracking, Imaging, and Compensation

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

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PROCEEDINGS ARTICLE | December 11, 2003

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

Proc. SPIE. 5162, Advanced Wavefront Control: Methods, Devices, and Applications

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

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PROCEEDINGS ARTICLE | December 11, 2003

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

Proc. SPIE. 5162, Advanced Wavefront Control: Methods, Devices, and Applications

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

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PROCEEDINGS ARTICLE | November 6, 2002

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

Proc. SPIE. 4825, High-Resolution Wavefront Control: Methods, Devices, and Applications IV

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

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PROCEEDINGS ARTICLE | January 29, 2002

Free-space laser communication using a partially coherent laser source

Proc. SPIE. 4538, Optics in Atmospheric Propagation and Adaptive Systems IV

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

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PROCEEDINGS ARTICLE | January 22, 2002

Fiber coupling with adaptive optics for free-space optical communication

Proc. SPIE. 4489, Free-Space Laser Communication and Laser Imaging

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

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PROCEEDINGS ARTICLE | November 22, 2000

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

Proc. SPIE. 4124, High-Resolution Wavefront Control: Methods, Devices, and Applications II

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

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PROCEEDINGS ARTICLE | November 22, 2000

Performance evaluation of micromachined mirror arrays for adaptive optics

Proc. SPIE. 4124, High-Resolution Wavefront Control: Methods, Devices, and Applications II

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

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PROCEEDINGS ARTICLE | November 22, 2000

Ferroelectric and antiferroelectric liquid crystals for optical phase modulation

Proc. SPIE. 4124, High-Resolution Wavefront Control: Methods, Devices, and Applications II

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

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PROCEEDINGS ARTICLE | November 3, 1999

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

Proc. SPIE. 3760, High-Resolution Wavefront Control: Methods, Devices, and Applications

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

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PROCEEDINGS ARTICLE | May 18, 1999

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

Proc. SPIE. 3623, Organic Photonic Materials and Devices

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

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PROCEEDINGS ARTICLE | April 28, 1999

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

Proc. SPIE. 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98

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

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PROCEEDINGS ARTICLE | October 20, 1998

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

Proc. SPIE. 3432, Artificial Turbulence for Imaging and Wave Propagation

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

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PROCEEDINGS ARTICLE | December 16, 1993

Relaxation of piezoelectricity and nonlinear optical properties of poled polymers

Proc. SPIE. 2025, Nonlinear Optical Properties of Organic Materials VI

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

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PROCEEDINGS ARTICLE | February 25, 1993

New stilbene compounds for nonlinear optics

Proc. SPIE. 1775, Nonlinear Optical Properties of Organic Materials V

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

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