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Coherence delay augmented laser beam homogenizer

  • US 5,224,200 A
  • Filed: 11/27/1991
  • Issued: 06/29/1993
  • Est. Priority Date: 11/27/1991
  • Status: Expired due to Fees
First Claim
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1. An optical system comprising a light beam, a coherence delay line, and a homogenizer, wherein:

  • said coherence delay line comprises a first partially reflecting mirror and a second totally reflecting mirror, and;

    said homogenizer comprises a light tunnel with transparent ends and reflective sidewalls, wherein;

    at least a portion of said light beam is incident upon said partially reflecting mirror at a first position where a portion is transmitted into said homogenizer, and a portion is reflected into said totally reflecting mirror.

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