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Chirped Coherent Laser Radar System and Method

  • US 20110273699A1
  • Filed: 04/04/2011
  • Published: 11/10/2011
  • Est. Priority Date: 02/14/2005
  • Status: Active Grant
First Claim
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1. A laser radar system comprising:

  • a first coherent laser radar section including;

    a laser source that generates a first laser beam,an interferometer that splits the first laser beam into a first target beam and a first local oscillator beam, and generates a first combined target beam from a first reflected portion of the first target beam and the first local oscillator beam;

    a second coherent laser radar section including;

    a laser source that generates a second laser beam,an interferometer that splits the second laser beam into a second target beam, incident on the target at the same location as the first target beam, and a second local oscillator beam, and generates a second combined target beam from a second reflected portion of the second target beam and the second local oscillator beam; and

    a processor that determines a range and a range rate of the target unambiguously from the first combined target beam and the second combined target beam.

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