A New Average-Power Damage Test Facility at LLNL

EA Hildum; F Rainer; D Milam

doi:10.1520/STP24410S

SYMPOSIA PAPER Published: 01 January 1988

STP24410S

A New Average-Power Damage Test Facility at LLNL

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We describe a new facility for studying damage induced by 1064-nm, 16-ns, 0.6-J laser pulses at repetition rates up to 120 Hz. This facility is built around four commercial 30-Hz Nd:YAG lasers fired under computer control. The beams from the four lasers are combined using thin-film polarizers and rotating half-wave plates to obtain a single irradiated spot on a test target. We also describe computer controlled beam diagnostics based on a commercial video frame-grabber.

This facility has been used to compile a database of damage thresholds for a variety of materials under average power conditions. Details of this database are presented in a companion paper.

Author Information

Hildum, EA

Rainer, F

Milam, D

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Details

Developed by Committee: F01

Pages: 123–127

DOI: 10.1520/STP24410S

ISBN-EB: 978-0-8031-5033-1

ISBN-13: 978-0-8031-4481-1

A New Average-Power Damage Test Facility at LLNL

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