Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Mohan Vaidyanathan"'
Autor:
John D. Gonglewski, Mohan Vaidyanathan, Sergio R. Restaino, Scot W. McDermott, David Charles Dayton, Joe Gallegos, Mike Shilko, Steve Browne, Sam Rogers
Publikováno v:
Optics Communications. 176:339-345
We present here results of laboratory and field experiments using the OKO technologies membrane mirror as an adaptive optics device. The device can be operated at high temporal bandwidths from a low cost PC based control system. We have constructed a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f3f144ecded3557f9f5912137017f01
https://doi.org/10.1016/s0030-4018(00)00487-9
https://doi.org/10.1016/s0030-4018(00)00487-9
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 49:659-673
Line intensities and the pressure- (self-, N 2 -) broadened linewidths in the first overtone of H 35 Cl at 1.73 μm have been measured at several temperatures between 296 and 1300 K using a tunable, narrow-linewidth (0.07 cm −1 ) F + 2 -center lase
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee6ef583cc6cb03c05af729b5ff7e2c9
https://doi.org/10.1016/0022-4073(93)90009-7
https://doi.org/10.1016/0022-4073(93)90009-7
Autor:
Robert C. Eckardt, Timothy Patrick Grayson, Mohan Vaidyanathan, Vince Dominic, Lawrence E. Myers
Publikováno v:
Optics express. 1(2)
We have observed the spectral and temporal characteristics of a 1.064-mm pumped, continuously tunable optical parametric oscillator (OPO) using a periodically poled lithium niobate nonlinear crystal. An efficient secondary OPO pumped by the resonant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72837ed09a266ffd5009cf488960a390
https://pubmed.ncbi.nlm.nih.gov/19373379
https://pubmed.ncbi.nlm.nih.gov/19373379
Autor:
Thomas Amoruso, John J. Zayhowski, Robert E. Freehart, Steven G. Blask, Joanne Pfannenstiel, Alex Vasile, Kevin Ingersoll, James G. Mooney, Byron M Stanley, Van Reynolds, Eui-In Lee, Brian F. Aull, Daniel Davidsohn, William M. Davis, Greg Rowe, Joseph L. McLaughlin, Robert Hatch, John Drover, Richard Cannata, Richard M. Marino, Carl Hart, Thomas Higgins, Jack Berenholtz, Ali-Khan Imran Dipl Chem Dr, Richard M. Heinrichs, Mohan Vaidyanathan, William Clifton, Ryan Carson, Prem Ramaswami, David R. Schue
Publikováno v:
SPIE Proceedings.
Jigsaw three-dimensional (3D) imaging laser radar is a compact, light-weight system for imaging highly obscured targets through dense foliage semi-autonomously from an unmanned aircraft. The Jigsaw system uses a gimbaled sensor operating in a spot li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55182528eb6a8485d9ff8e0a86da53d7
https://doi.org/10.1117/12.722880
https://doi.org/10.1117/12.722880
Autor:
John D. Blackwell, G. Williams, Atul Joshi, M. L. Thomas, M. Zandian, Mohan Vaidyanathan, William E. Tennant, B. Hanyaloglu, D. D. Edwall, Song Xue, Gary W. Hughes
Publikováno v:
2004 IEEE Aerospace Conference Proceedings (IEEE Cat. No.04TH8720).
We have developed high-speed ladar read out integrated circuits (ROIC) and high performance detector arrays for high-resolution 3D range imaging applications. Our focal plane array imagers are based on direct detection ladar architecture that provide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b4ddd1135fa352e522f3673e55af3f9
https://doi.org/10.1109/aero.2004.1367957
https://doi.org/10.1109/aero.2004.1367957
Autor:
Lester J. Kozlowski, Benji Hanyaloglu, John T. Montroy, M. Zandian, Kadri Vural, Kenneth Johnson, Gary W. Hughes, John D. Blackwell, Song Xue, Mohan Vaidyanathan
Publikováno v:
SPIE Proceedings.
We have developed a three-dimensional (3D) imaging ladar focal plane array (FPA) for military and commercial applications. The FPA provides snap-shot, direct detection, high-resolution range and range-sampled intensity imaging capability on a single
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f942bf99e0e73a06b7ed4ba35628eec
https://doi.org/10.1117/12.487211
https://doi.org/10.1117/12.487211
Autor:
Mohan Vaidyanathan, Lester J. Kozlowski, Kenneth Johnson, Song Xue, William E. Tennant, Gary W. Hughes, Duane D. Smith
Publikováno v:
SPIE Proceedings.
We are developing a novel 2D focal plane array (FPA) with read-out integrated circuit (ROIC) on a single chip for 3D laser radar imaging. The ladar will provide high-resolution range and range-resolved intensity images for detection and identificatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6194fb6787ccd95cc34c1784fda6fb3
https://doi.org/10.1117/12.440097
https://doi.org/10.1117/12.440097
Publikováno v:
SPIE Proceedings.
We describe a tunable, 1.3 to 5 micrometers wavelength reflectance measurement system using an optical parametric oscillator (OPO) as the light source. The OPO source consists of a 1 micrometers Nd:YAG laser which is frequently shifted to 1.3-5 micro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fcca394bae4e434b5553c52fc8004ce8
https://doi.org/10.1117/12.328108
https://doi.org/10.1117/12.328108
Autor:
Mohan Vaidyanathan, Russell C. Hardie, Paul F. McManamon, Lawrence E. Myers, Timothy P. Grayson
Publikováno v:
SPIE Proceedings.
We investigate the phenomenology and modeling for the development of an active multispectral laser radar (LADAR) sensor to image and identify ground targets in the 1 to 5 micrometers wavelength region. This sensor will be especially useful in high cl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::298db0ec4db9ed6d41cb6380f4989645
https://doi.org/10.1117/12.281017
https://doi.org/10.1117/12.281017
Publikováno v:
Optical Remote Sensing of the Atmosphere.
We have developed a new tunable 1.7μm F-Center laser spectrometer and have used it to measure the spectra and temperature of several gases such as methane and ethylene in the atmosphere and of HCl and water vapor at high temperature. The system has
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33aef0689c51317e94663ba5e2eb4af4
https://doi.org/10.1364/orsa.1991.otha4
https://doi.org/10.1364/orsa.1991.otha4