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Electrodeless single low power CW laser driven plasma lamp

  • US 10,057,973 B2
  • Filed: 01/19/2017
  • Issued: 08/21/2018
  • Est. Priority Date: 05/14/2015
  • Status: Active Grant
First Claim
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1. An ignition facilitated electrodeless sealed high intensity illumination device configured to receive a laser beam from a continuous wave (CW) laser light source comprising:

  • a sealed chamber configured to contain an ionizable medium, the chamber further comprising;

    an ingress window disposed within a wall of a chamber interior surface configured to admit a beam from the CW laser into the chamber;

    a plasma sustaining region; and

    a high intensity light egress window configured to emit high intensity light from the chamber,wherein the CW laser beam is producible by a CW laser below 250 Watts configured to produce a wavelength below 1100 nm, a path of the CW laser beam from the CW laser light source through the ingress window to a focal region within the chamber is direct, focusing the CW laser beam to a region with a full width at half maximum (FWHM) beam waist of 1-15 microns2 and a Rayleigh length of 6 microns or less, and the plasma is configured to be ignited by the CW laser beam.

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