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Broadband or mid-infrared fiber light sources

  • US 9,400,215 B2
  • Filed: 05/19/2015
  • Issued: 07/26/2016
  • Est. Priority Date: 11/18/2005
  • Status: Expired due to Fees
First Claim
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1. A diagnostic system comprising:

  • one or more semiconductor light emitters configured to generate an input beam, wherein at least a portion of the input beam comprises a wavelength shorter than about 2.5 microns;

    one or more optical amplifiers configured to receive at least the portion of the input beam and to communicate an intermediate beam to an output end of the one or more optical amplifiers; and

    one or more optical fibers configured to receive at least a portion of the intermediate beam and to form an output beam with an output beam wavelength;

    a subsystem comprising one or more lenses or mirrors configured to receive a received portion of the output beam and to deliver a delivered portion of the output beam to a sample, wherein the delivered portion of the output beam has a temporal duration greater than approximately 30 picoseconds, wherein the delivered portion of the output beam has a repetition rate between continuous wave and Megahertz or higher, and wherein a time averaged intensity of the delivered portion of the output beam is less than approximately 50 MW/cm2; and

    a light detection system capable of collecting and analyzing at least a fraction of the delivered portion of the output beam that reflects or transmits from the sample.

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