Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Victor H. Hasson"'
Publikováno v:
High-Power Laser Ablation V.
This paper reviews the basic concepts of laser propulsion and summarizes work done to date using a 10 kW device. The paper describes a candidate megawatt class CO 2 laser system which can be scal ed relatively near-term to multi-megawatt power levels
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06a2e0511a1161443263378b6a2ef440
https://doi.org/10.1117/12.548428
https://doi.org/10.1117/12.548428
Publikováno v:
High-Power Laser Ablation V.
In this paper, we summarize the performance of a diamond cooled diode pumped solid state (DPSS) Nd:YAG laser developed by Textron Systems Corporation (TCS). Over 50% intrinsic extraction efficiency at 50-Watts average power, equivalent to volumetric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87cac9a78f71485796357db8791701bf
https://doi.org/10.1117/12.548427
https://doi.org/10.1117/12.548427
Publikováno v:
High-Power Laser Ablation V.
Laser-powered lightcraft systems that deliver microsatellites to low earth orbit have been studied for the Air Force Research Laboratory. One result of this study has been discovery of the significant influence of laser wavelength on the power lost d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3486943f9ea6ef1b441cc4151fc8fab3
https://doi.org/10.1117/12.547321
https://doi.org/10.1117/12.547321
Publikováno v:
SPIE Proceedings.
This paper reviews work done at Trex Enterprises Corporation over the past 18 years on electro-optic surveillance and tracking systems. The range of objects that can be detected and tracked cover awide range of brightness and velocities, from slower
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f8767f469f63c79b98efa2c40fc8980
https://doi.org/10.1117/12.564921
https://doi.org/10.1117/12.564921
Autor:
Victor H. Hasson
Publikováno v:
SPIE Proceedings.
This paper reviews the basic phenomena and technologies associated with design of repetitively pulsed CO2 lasers operating at power levels of ~ 100 kW and pulse repetition rates of ~ 100 Hz and includes some simple diagnostic techniques. Such systems
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce0fd1a6c954d29ee4e8253181dcfcb1
https://doi.org/10.1117/12.515852
https://doi.org/10.1117/12.515852
Autor:
Victor H. Hasson
Publikováno v:
SPIE Proceedings.
This paper reviews the basic phenomena and technologies associated with design of repetitively pulsed CO 2 lasers operating at power levels of approximately 100 kW and pulse repetition rates of approximately 100 Hz. Such systems are of potential inte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::798abdab7454f46cd7aa41f869761ce0
https://doi.org/10.1117/12.482118
https://doi.org/10.1117/12.482118
Autor:
Gordon L. Dryden, Victor H. Hasson
Publikováno v:
SPIE Proceedings.
This paper reviews the performance of a conventional direct detection CO 2 Differential Absorption Lidar (DIAL) system with the coherent spread spectrum approach developed, validated and patented by Textron. The analysis shows that the coherent appro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e7edd0c61446b5e7bc3a76fd313f3b0
https://doi.org/10.1117/12.476408
https://doi.org/10.1117/12.476408
Autor:
Mark A. Kovacs, Victor H. Hasson
Publikováno v:
SPIE Proceedings.
This paper compares the performance of a conventional direct detection CO2 Differential Absorption Lidar (DIAL) systemwith the coherent spread spectrum approach developed and patented by Textron. The analysis shows that the coherentapproach is far su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f341d15a34fb97c190495315f8f57fae
https://doi.org/10.1117/12.454417
https://doi.org/10.1117/12.454417
Publikováno v:
SPIE Proceedings.
Many luminous sources provide continuous or quasi-continuous radiation at near IR and longer wavelengths. The radiation continuum serves as a source of background photons, which can be used for discrete line-of-site absorption measurements by-known a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36f7a77ae7f73cece41e78f57baf9dc1
https://doi.org/10.1117/12.454416
https://doi.org/10.1117/12.454416
Autor:
John D. Gonglewski, Jonathan W. Campbell, Francis J. Corbett, Stanley R. Czyzak, Victor H. Hasson, Gordon L. Dryden, Claude R. Phipps, Deborah Werling, Mark A. Kovacs, Michael Groden, Daniel O. Hogenboom, Richard H. Pohle
Publikováno v:
SPIE Proceedings.
This report briefly reviews the development, capabilities, and current status of pulsed high-power coherent CO2 laser radar systems at the Maui Space Surveillance System (MSSS), HI, for acquisition, tracking, and sizing of orbiting objects. There are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85edd6a2ae34dd4b286f8011af990aab
https://doi.org/10.1117/12.405796
https://doi.org/10.1117/12.405796