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Scanning temporal ultrafast delay methods and apparatuses therefor

  • US 6,396,856 B1
  • Filed: 03/27/1998
  • Issued: 05/28/2002
  • Est. Priority Date: 04/01/1994
  • Status: Expired due to Term
First Claim
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1. A fast scanning laser apparatus, comprising:

  • a controllable source of electrical signals which outputs a dithering signal; and

    first and second short-pulse laser sources each having a laser cavity, wherein at least one of said first and second laser sources has a length changing unit cooperating with its cavity, said length changing unit changing the length of said laser cavity based on said dithering signal.

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