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High power laser beam sampler

  • US 5,323,267 A
  • Filed: 01/02/1992
  • Issued: 06/21/1994
  • Est. Priority Date: 12/23/1991
  • Status: Expired due to Term
First Claim
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1. A device for sampling a laser beam produced by a laser source, comprising:

  • a substrate made of light-propagating material selected from the group consisting essentially of highly transparent fused silica and zinc selenide, the substrate defining an outer surface and the laser beam being sampled propagating through the outer surface; and

    a sinusoidal diffracting relief etched on the outer surface of the substrate directly into the light-propagating material, the sinusoidal diffracting relief extracting from the laser beam propagating through said outer surface at least one pair of low power beam samples.

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