Using backward Raman scattering from coupled deuterium cells for wavelength shifting

William P. Hooper; Glendon M. Frick; Benjamiin P. Michael

doi:10.1117/1.3204230

1 August 2009 Using backward Raman scattering from coupled deuterium cells for wavelength shifting

William P. Hooper, Glendon M. Frick, Benjamiin P. Michael

Author Affiliations +

Optical Engineering, Vol. 48, Issue 8, 084302 (August 2009). https://doi.org/10.1117/1.3204230

Abstract

Measurements and simulations of a dual gas-cell system, which uses Raman scattering to convert infrared laser radiation from 1064 to 1560 nm, are presented. The cells contain deuterium at a pressure of ~25 atm. A beamsplitter is used to distribute the energy from the YAG laser between the seed and pump cells. The laser light is focused into the seed cell, which generates a lower-power, backward-propagating, pulse. This seed pulse and a laser pulse counterpropagate in the pump cell to generate a stronger 1560-nm pulse. The goal is to create a single pulse without any shorter pulses or oscillations. Simulation results are presented, which indicate that a beamsplitter directing 25% of the laser energy into the seed cell and the rest into the pump cell is optimal for 1560-nm generation. Laboratory testing of a dual-cell system using a 32% beamsplitter shows the generation of a 1560-nm pulse with 250 mJ/pulse with an efficiency of 35%.

©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

William P. Hooper, Glendon M. Frick, and Benjamiin P. Michael "Using backward Raman scattering from coupled deuterium cells for wavelength shifting," Optical Engineering 48(8), 084302 (1 August 2009). https://doi.org/10.1117/1.3204230

Published: 1 August 2009

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