HIGH-GAIN SINGLE PLANAR WAVEGUIDE (PWG) AMPLIFIER LASER SYSTEM
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United States of America Patent
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Issued Date -
May 7, 2020
app pub date -
Jan 23, 2019
filing date -
Nov 25, 2015
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Abstract
A system includes a master oscillator configured to generate a first optical beam and a beam controller configured to modify the first optical beam. The system also includes a PWG amplifier configured to receive the modified first optical beam and generate a second optical beam having a higher power than the first optical beam. The second optical beam has a power of at least about ten kilowatts. The PWG amplifier includes a single laser gain medium configured to generate the second optical beam. The system further includes a feedback loop configured to control the master oscillator, PWG amplifier, and beam controller. The feedback loop includes a laser controller. The laser controller may be configured to process wavefront information or power in bucket information associated with the second optical beam to control an adaptive optic or perform a back-propagation algorithm to provide wavefront correction at an output of the PWG amplifier.
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