Abstract

In this paper, we introduce and discuss in details the laser damage test facility and threshold measurement program of optics. The test facility with different nanosecond pulses at maximum 20 Hz can perform all the usual damage tests: 1-on-1, N-on-1, S-on-1, R-on-1, and the raster scanning method. The test damage facility has ability for measuring the damage threshold of the small and large scale optics. The 1-on-1 and the functional damage threshold are discussed, and know that the functional damage may be better to apply for HR coatings.

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