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Optical diagnostics integrated with laser spark delivery system

  • US 20060037572A1
  • Filed: 08/04/2005
  • Published: 02/23/2006
  • Est. Priority Date: 08/04/2004
  • Status: Active Grant
First Claim
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1. A spark and diagnostic system for an engine, the system comprising:

  • a laser light source for generating a laser beam;

    launch optics for focusing said laser beam;

    a laser transmission fiber for receiving said laser beam from said launch optics and transmitting said laser beam; and

    exit focusing optics for receiving said laser beam from said laser transmission fiber and focusing said laser beam for generating a spark in a fuel and air mixture within the engine;

    wherein said laser transmission fiber transmits diagnostic light generated from at least one of said spark or from a flame from combustion of the fuel and air mixture.

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