Method for beam steering compensation in an ultra-high power liquid laser

Patent · Tue Jan 01 00:00:00 EST 2002

OSTI ID:874204

Ault, Earl R ^[1]

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1. Livermore, CA

Thermally induced distortion of the optical wavefront caused by heating of the laser media by waste heat from the excitation process and absorption of laser radiation creates optical phase errors. A system generates an error signal derived from the optical phase errors. The error signal is fed back to the power supplies driving semiconductor diodes that excite the lasing liquid thereby introducing an electrically controllable wedge into the optical cavity to correct the optical phase errors.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
• DOE Contract Number: W-7405-ENG-48
• Assignee: The Regents of the University of California (Oakland, CA)
• Patent Number(s): US 6339608
• OSTI ID: 874204
• Country of Publication: United States
• Language: English

Related Subjects

method
beam
steering
compensation
ultra-high
power
liquid
laser
thermally
induced
distortion
optical
wavefront
caused
heating
media
waste
heat
excitation
process
absorption
radiation
creates
phase
errors
generates
error
signal
derived
fed
supplies
driving
semiconductor
diodes
excite
lasing
introducing
electrically
controllable
wedge
cavity
correct
laser radiation
power supplies
laser media
optical wave
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