Prof. Kelvin H. Wagner Profile

Prof. Kelvin H. Wagner

at Univ of Colorado at Boulder

SPIE Involvement:

Author

Publications (50)

Proceedings Article | 9 March 2020 Presentation

Scalable tiled silicon-photonic 2D wavelength-steered optical beam LIDAR apertures (Conference Presentation)

Miloš Popović, Nathan Dostart, Bohan Zhang, Anatol Khilo, Michael Brand, Kenaish Al Qubaisi, Deniz Onural, Daniel Feldkhun, Kelvin Wagner

Proceedings Volume 11285, 112850I (2020) https://doi.org/10.1117/12.2550195

KEYWORDS: Phased array optics, LIDAR, Integrated optics, Silicon, Beam steering, Silicon photonics, Semiconducting wafers, Photonic integrated circuits, Integrated circuit design, Integrated circuits

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Proceedings Article | 15 March 2018 Presentation

Wave-front shaping for nonlinear dynamics control (Conference Presentation)

Omer Tzang, Antonio Caravaca-Aguirre, Kelvin Wagner, Rafael Piestun

Proceedings Volume 10502, 1050216 (2018) https://doi.org/10.1117/12.2288937

KEYWORDS: Multimode fibers, Nonlinear control, Adaptive optics, Light wave propagation, Phase matching, Four wave mixing, Endoscopy, Nonlinear dynamics, Nonlinear optics, Raman spectroscopy

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Proceedings Article | 23 April 2008 Paper

Photonically enabled RF spectrum analyzer demonstration

Elizabeth Kunkee, Ken Tsai, Andrew Smith, T. Jung, Larry Lembo, Richard Davis, W. Randall Babbitt, R. Krishna-Mohan, Zachary Cole, Kristian Merkel, Kelvin Wagner

Proceedings Volume 6975, 697506 (2008) https://doi.org/10.1117/12.777222

KEYWORDS: Spectrum analysis, Signal detection, Crystals, Signal processing, Modulation, Free space optics, Field programmable gate arrays, RF photonics, Telecommunications, Laser crystals

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Proceedings Article | 28 February 2008 Paper

Pulsed ultrasound-modulated optical tomography using spectral hole-burning

Youzhi Li, Chulhong Kim, Huiliang Zhang, Kelvin Wagner, Philip Hemmer, Lihong Wang

Proceedings Volume 6856, 68561R (2008) https://doi.org/10.1117/12.774157

KEYWORDS: Ultrasonography, Crystals, Ultrasound-modulated optical tomography, Tissue optics, Optical filters, Modulation, Biomedical optics, Speckle, Sensors, Signal detection

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Proceedings Article | 6 February 2007 Paper

Sluggish light and its applications in true-time-delay beam forming for wideband RF phased-array antennas

Lu Gao, Sandrine Herriot, Kelvin Wagner

Proceedings Volume 6482, 648205 (2007) https://doi.org/10.1117/12.716387

KEYWORDS: Phased array optics, Modulation, Antennas, Heterodyning, Signal detection, Phased arrays, Geometrical optics, Glasses, Acoustics, Wave propagation

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Proceedings Article | 5 October 2005 Paper

Encoding Broadband RF signals onto a femtosecond laser frequency comb using an AOTF for RF photonic signal processing

Sandrine Herriot, Lu Gao, Kelvin Wagner

Proceedings Volume 5971, 59711Z (2005) https://doi.org/10.1117/12.648237

KEYWORDS: Signal processing, Signal detection, Modulation, Femtosecond phenomena, Frequency combs, Acoustics, Doppler effect, Heterodyning, RF photonics, Crystals

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Proceedings Article | 5 October 2005 Paper

Ultrawideband wide-open RF spectrum analysis using spectral hole burning

Max Colice, Friso Schlottau, Kelvin Wagner

Proceedings Volume 5971, 597128 (2005) https://doi.org/10.1117/12.628844

KEYWORDS: Crystals, Spectrum analysis, Laser crystals, Signal detection, Absorption, Modulation, Signal processing, Fabry–Perot interferometers, Bragg cells, Distortion

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Proceedings Article | 4 October 2005 Paper

Broadband RF imaging ans spectrum analysis using spatial-spectral hole burning in an inhomogeneously broadened absorber

Youzhi Li, Benjamin Braker, Friso Schlottau, Donghua Gu, Max Colice, Kelvin Wagner

Proceedings Volume 5971, 597122 (2005) https://doi.org/10.1117/12.629528

KEYWORDS: Crystals, Antennas, Imaging systems, Geometrical optics, Modulation, Hole burning spectroscopy, Zoom lenses, Spectral resolution, Modulators, Electrooptic modulators

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SPIE Journal Paper | 1 October 2005

Broadband polarization interferometric time-integrating acousto-optic correlator for random noise radar

Sangtaek Kim, Kelvin Wagner, Ram Narayanan, Wei Zhou

OE, Vol. 44, Issue 10, 108202, (October 2005) https://doi.org/10.1117/12.10.1117/1.2084807

KEYWORDS: Charge-coupled devices, Radar, Semiconductor lasers, Optical correlators, Acousto-optics, Modulation, Polarization, Interferometry, Acoustics, Signal attenuation

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Proceedings Article | 29 September 2005 Paper

Acousto-optic tunable filter using phased-array transducer with linearized RF to optical frequency mapping

Sangtaek Kim, Lu Gao, Kelvin Wagner, Robert Weverka, Robert Mcleod

Proceedings Volume 5953, 59530M (2005) https://doi.org/10.1117/12.622623

KEYWORDS: Phased array optics, Acoustics, Transducers, Acousto-optics, Diffraction, Phased arrays, Antennas, Tunable filters, Modulation, Digital signal processing

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Proceedings Article | 19 May 2005 Paper

Broadband microwave imaging with spectral hole burning for squint compensation

Benjamin Braker, Youzhi Li, Donghua Gu, Frisco Schlottau, Kelvin Wagner

Proceedings Volume 5789, (2005) https://doi.org/10.1117/12.604146

KEYWORDS: Microwave radiation, Crystals, Laser crystals, Antennas, Modulation, Phase measurement, Fourier transforms, Hole burning spectroscopy, Imaging systems, Optical arrays

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Proceedings Article | 19 May 2005 Paper

Coherent lidar range sensing by use of spatial-spectral holography

Alan Hoskins, Youzhi Li, Friso Schlottau, Kelvin Wagner, Carl Embry, Wm. Babbitt

Proceedings Volume 5791, (2005) https://doi.org/10.1117/12.603941

KEYWORDS: LIDAR, Crystals, Sensors, Signal detection, Holography, Modulation, Laser crystals, Signal processing, High power lasers, Pulsed laser operation

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Proceedings Article | 4 November 2004 Paper

Ultrafast all-optical wavelength conversion based on (3+1)-D optical soliton dragging interaction

Lu Gao, Robert McLeod, Kelvin Wagner

Proceedings Volume 5556, (2004) https://doi.org/10.1117/12.558803

KEYWORDS: Solitons, Optical solitons, Dispersion, Ultrafast phenomena, Wave propagation, Nonlinear optics, Polarization, Mirrors, Light wave propagation, Modulation

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