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Title: Method and system for compact, multi-pass pulsed laser amplifier

Patent ·
OSTI ID:1164342

A laser amplifier includes an input aperture operable to receive laser radiation having a first polarization, an output aperture coupled to the input aperture by an optical path, and a polarizer disposed along an optical path. A transmission axis of the polarizer is aligned with the first polarization. The laser amplifier also includes n optical switch disposed along the optical path. The optical switch is operable to pass the laser radiation when operated in a first state and to reflect the laser radiation when operated in a second state. The laser amplifier further includes an optical gain element disposed along the optical path and a polarization rotation device disposed along the optical path.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Number(s):
8,896,913
Application Number:
12/875,056
OSTI ID:
1164342
Country of Publication:
United States
Language:
English

References (6)

System and method for amplifying an optical pulse and pumping laser therefor patent June 2011
Method and system for compact and efficient high energy pulsed laser amplifier patent March 2014
High-energy, high-average-power laser with Nd:YLF rods corrected by magnetorheological finishing journal January 2005
The Megajoule Laser – A High-Energy-Density Physics Facility book January 2006
Power, energy, and temporal performance of the Nova laser facility with recent improvements to the amplifier system journal January 1992
National Ignition Facility laser performance status journal January 2007