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Proceedings Article

Compact laser sources for laser designation, ranging and active imaging

[+] Author Affiliations
Lew Goldberg, John Nettleton, Brad Schilling, Ward Trussel, Alan Hays

U.S. Army Night Vision Lab. and Sensors Directorate

Proc. SPIE 6552, Laser Source Technology for Defense and Security III, 65520G (May 10, 2007); doi:10.1117/12.722143
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From Conference Volume 6552

  • Laser Source Technology for Defense and Security III
  • Gary L. Wood; Mark A. Dubinskii
  • Orlando, Florida, USA | April 09, 2007

abstract

Recent advances in compact solid sate lasers for laser designation, eye-safe range finding and active imaging are described. Wide temperature operation of a compact Nd:YAG laser was achieved by end pumping and the use of multi-λ diode stacks. Such lasers enabled construction of fully operational 4.7 lb laser designator prototypes generating over 50 mJ at 10-20 Hz PRF. Output pulse energy in excess of 100 mJ was demonstrated in a breadboard version of the end-pumped laser. Eye-safe 1.5 μm lasers based on flash-pumped, low PRF, Monoblock lasers have enabled compact STORM laser range finders that have recently been put into production. To achieve higher optical and electrical efficiency needed for higher PRF operation, Monoblock lasers were end-pumped by a laser diode stack. Laser diode end-pumped Monoblock lasers were operated at 10-20 Hz PRF over a wide temperature range (-20 to +50oC). Compared with bulk compact solid state lasers, fiber lasers are characterized by lower pulse energy, higher PRF's, shorter pulses and higher electrical efficiency. An example of fiber lasers suitable for LIDAR, and atmospheric measurement applications is described. Eye-safe, low intensity diode pumped solid state green warning laser developed for US Army checkpoint and convoy applications is also described.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Lew Goldberg ; John Nettleton ; Brad Schilling ; Ward Trussel and Alan Hays
"Compact laser sources for laser designation, ranging and active imaging", Proc. SPIE 6552, Laser Source Technology for Defense and Security III, 65520G (May 10, 2007); doi:10.1117/12.722143; http://dx.doi.org/10.1117/12.722143


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