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Ytterbium- and neodymium-doped vanadate laser hose crystals having the apatite crystal structure

Patent ·
OSTI ID:869466
 [1];  [2];  [3];  [4];  [5]
  1. Castro Valley, CA
  2. Fremont, CA
  3. Manteca, CA
  4. Pleasanton, CA
  5. Oviedo, FL
+ Show Author Affiliations
Yb.sup.3+ and Nd.sup.3+ doped Sr.sub.5 (VO.sub.4).sub.3 F crystals serve as useful infrared laser media that exhibit low thresholds of oscillation and high slope efficiencies, and can be grown with high optical quality. These laser media possess unusually high absorption and emission cross sections, which provide the crystals with the ability to generate greater gain for a given amount of pump power. Many related crystals such as Sr.sub.5 (VO.sub.4).sub.3 F crystals doped with other rare earths, transition metals, or actinides, as well as the many structural analogs of Sr.sub.5 (VO.sub.4).sub.3 F, where the Sr.sup.2+ and F.sup.- ions are replaced by related chemical species, have similar properties.
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA
DOE Contract Number:
W-7405-ENG-48
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 5341389
OSTI ID:
869466
Country of Publication:
United States
Language:
English

References (2)

Crystal growth and fluorescent properties of rare earth-doped calcium fluorovanadate journal January 1970
Preparation and properties of some strontium-oxometallates journal June 1970

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