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Proceedings Article

A hybrid fiber/solid-state regenerative amplifier with tunable pulse widths for satellite laser ranging

[+] Author Affiliations
Demetrios Poulios, Richard B. Kay

American Univ. (USA)

D. Barry Coyle, Paul R. Stysley

NASA Goddard Space Flight Ctr. (USA)

Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79122B (March 03, 2011); doi:10.1117/12.875947
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From Conference Volume 7912

  • Solid State Lasers XX: Technology and Devices
  • W. Andrew Clarkson; Norman Hodgson; Ramesh Shori
  • San Francisco, California, USA | January 22, 2011

abstract

A fiber/solid-state hybrid seeded regenerative amplifier capable of achieving high output energy with tunable pulse widths has been developed for satellite laser ranging applications. The regenerative amplifier cavity utilizes a pair of Nd: YAG zigzag slabs oriented orthogonally to one another in order to symmetrize thermal lensing effects and simplify optical correction schemes. The seed laser used is a fiber-coupled 1064 nm narrowband (<0.02 nm) diode laser which is intensity modulated by a fiber Mach-Zender electrooptic modulator, enabling continuously tunable seed pulse widths in the 0.2 - 2.0 ns range. The seed laser pulse energy entering the regenerative amplifier cavity is ~10 pJ, and is amplified to ~1.6 mJ after 37 round trips, representing a gain of ~82 dB. When seeded with 200 ps pulses at a 2 kHz repetition rate, the regenerative amplifier produces >2 W of frequency-doubled output (>1 mJ/pulse at 532 nm).

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Demetrios Poulios ; D. Barry Coyle ; Richard B. Kay and Paul R. Stysley
"A hybrid fiber/solid-state regenerative amplifier with tunable pulse widths for satellite laser ranging", Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79122B (March 03, 2011); doi:10.1117/12.875947; http://dx.doi.org/10.1117/12.875947


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