Search Results - "W. Barber, Zeb"

Laboratory demonstrations of interferometric and spotlight synthetic aperture ladar techniques by Crouch, Stephen, Barber, Zeb W

“…A variety of synthetic-aperture ladar (SAL) imaging techniques are investigated on a table-top laboratory setup using an ultra-broad bandwidth (>3 THz)…”
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Three dimensional digital holographic aperture synthesis by Crouch, Stephen, Kaylor, Brant M, Barber, Zeb W, Reibel, Randy R

“…Aperture synthesis techniques are applied to temporally and spatially diverse digital holograms recorded with a fast focal-plane array. Because the technique…”
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Numerical modeling of optical coherent transient processes with complex configurations—II. Angled beams with arbitrary phase modulations by Chang, Tiejun, Tian, Mingzhen, W. Barber, Zeb, Randall Babbitt, Wm

“…This work is a continuation of the development of the theoretical model for optical coherent transient (OCT) processes with complex configurations. A…”
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The geometric phase in two-level atomic systems by Tian, Mingzhen, Barber, Zeb W, Fischer, Joe A, Randall Babbitt, Wm

“…We report the observation of the geometric phase in a closed two-level atomic system using stimulated photon echoes. The two-level system studied consists of…”
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Geometric manipulation of the quantum states of two-level atoms by Tian, Mingzhen, Barber, Zeb W., Fischer, Joe A., Babbitt, Wm. Randall

“…Manipulation of the quantum states of two-level atoms has been investigated using laser-controlled geometric phase change, which has the potential to build…”
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Broadband multi-emitter signal analysis and direction finding using a dual-port interferometric photonic spectrum analyzer based on spatial-spectral materials by Mohan, R. Krishna, Harrington, Calvin, Sharpe, Tia, Barber, Zeb W., Babbitt, Wm Randall

“…A broadband signal analyzer that can determine the power spectra and direction of all spectrally non-overlapping emitters for a two antenna system is proposed…”
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Experimental demonstration of differential synthetic aperture ladar by Barber, Zeb W., Dahl, Jason R.

“…Differential SAL measures phase slopes to reduce the inherent sensitivity to piston phase errors during the data collection process. The first experimental…”
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Table-top explorations of synthetic aperture ladar imaging by Barber, Zeb W., Crouch, Stephen

“…Examples of synthetic aperture ladar (SAL) imaging utilizing an ultra-broadband actively stabilized chirp source are presented. Demonstrations include high…”
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Sensitivity in Synthetic Aperture Ladar imaging by Barber, Zeb W., Dahl, Jason R.

“…Synthetic Aperture Ladar (SAL) imaging experiments show that cross-range compression, including image based phase error correction, can be performed at very…”
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Ultra-broadband optical chirp linearization for precision length metrology applications by Reibel, Randy R, Roos, Peter A, Berg, Trenton, Kaylor, Brant, Greenfield, Nathan, Barber, Zeb W, Renner, Christoffer J, Babbitt, Wm Randall

“…We demonstrate precise linearization of ultra-broadband (>5 THz) laser frequency sweeps using a fiber-based self-heterodyne technique. Frequency errors less…”
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Linearization of ultra-broadband optical chirps for precision length metrology by Barber, Zeb W, Renner, Christoffer J, Babbitt, Wm Randall, Reibel, Randy R, Roos, Peter A, Berg, Trenton, Kaylor, Brant, Greenfield, Nathan

“…We demonstrate precise active linearization of ultra-broadband (>5 THz) laser frequency sweeps using a self-heterodyne technique. Frequency errors less than…”
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Performance analysis for FMCW ranging using photon-counting detectors by Erkmen, Baris I., Dahl, Jason R., Barber, Zeb W.

“…We analyze the performance of FMCW ranging with photon-counting detectors. We derive the Cramér-Rao bound, then determine the optimal fraction of signal-arm…”
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Optical pulse shaping using optical coherent transients by Barber, Zeb, Tian, Mingzhen, Reibel, Randy, Babbitt, W

“…Using multiple temporally-overlapped, frequency offset and phase-tuned, linear frequency chirps, a new method of multi-GHz optical coherent transient optical…”
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Ultra-broadband chirp linearity characterization with an optical frequency comb by Barber, Zeb W., Dahl, Jason, Roos, Peter A., Reibel, Randy R., Greenfield, Nathan, Giorgetta, Fabrizio, Coddington, Ian, Newbury, Nathan

“…The linearity of actively stabilized laser chirp from approximately 1530 to 1570 nm is measured by use of an optical frequency comb showing residuals of <; 60…”
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Precision and Accuracy Testing of FMCW Ladar Based Length Metrology by Mateo, Ana Baselga, Barber, Zeb W

“…The calibration and traceability of high resolution frequency modulated continuous wave (FMCW) ladar sources is a requirement for their use in length and…”
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Multi-Dimensional, Non-Contact Metrology using Trilateration and High Resolution FMCW Ladar by Mateo, Ana Baselga, Barber, Zeb W

“…Here we propose, describe, and provide experimental proof-of-concept demonstrations of a multi-dimensional, non-contact length metrology system design based on…”
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Coherent Lidar for Autonomous Vehicle Applications by Kadlec, Emil A., Barber, Zeb W., Rupavatharam, Krishna, Angus, Edward, Galloway, Ryan, Rogers, Evan M., Thornton, Joshua, Crouch, Stephen

“…To address the challenges of autonomous driving applications Blackmore has focused on integrated photonics and coherent detection as the keys to realizing high…”
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Spatial-Spectral Materials for High Performance Optical Processing by Barber, Zeb W., Harrington, Calvin, Rupavatharam, Krishna, Thiel, Charles, Jackson, Trent, Sellin, P. B., Benko, Craig, Merkel, Kristian

“…Optically active Spatial-Spectral (S2) materials are a unique resource for spectrally based optical memory and processing. At cryogenic temperatures, the…”
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A Photonics-based Broadband RF Spectrum Analysis and Geolocation System by Merkel, Kristian D., Jackson, James T., Price, Ryan M., Babbitt, Wm Randall, Benko, Craig, Bekker, Scott H., Winn, Kevin N., Stiffler, Colton R., Woidtke, Alex J., Oset, Jon, Traxinger, Aaron S., Salveson, Jylissa, Chase, Michael D., Sellin, Peter B., Mohan, R. Krishna, Barber, Zeb W.

“…Testing of a broadband photonics-based spectrum analyzer and coherent correlator for RF emitter geolocation using time-difference of arrival is presented…”
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Extreme bandwidth spectrum analysis by Merkel, Kristian D., Bekker, Scott H., Traxinger, Aaron S., Stiffler, Colton R., Woidtke, Alex J., Chase, Michael D., Babbitt, Wm Randall, Harrington, Cal H., Barber, Zeb W.

“…RF spectrum analysis hardware with instantaneous bandwidth of 40 GHz, resolution bandwidths down to 20 kHz, high sensitivity, and high dynamic range is…”
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