CAVE: the design of a precision metrology instrument for studying performance of KDP crystals

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Description

A device has been developed to measure the frequency conversion performance of large aperture potassium dihydrogen phosphate (KDP) crystals. Third harmonic generation using ICDP is critical to the function of the National Ignition Facility (NIF) laser. The crystals in the converter can be angularly or thermally tuned but are subject to larger aperture inhomogeneities that are functions of growth manufacturing and - mounting. The CAVE (Crystal Alignment Verification Equipment) instrument scans the crystals in a thermally and mechanically controlled environment to determine the local peak tuning angles. The CAVE can then estimate the optimum tuning angle and conversion efficiency over ... continued below

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6 p.

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Hibbard, R.L., LLNL March 30, 1998.

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Description

A device has been developed to measure the frequency conversion performance of large aperture potassium dihydrogen phosphate (KDP) crystals. Third harmonic generation using ICDP is critical to the function of the National Ignition Facility (NIF) laser. The crystals in the converter can be angularly or thermally tuned but are subject to larger aperture inhomogeneities that are functions of growth manufacturing and - mounting. The CAVE (Crystal Alignment Verification Equipment) instrument scans the crystals in a thermally and mechanically controlled environment to determine the local peak tuning angles. The CAVE can then estimate the optimum tuning angle and conversion efficiency over the entire aperture. Coupled with other metrology techniques, the CAVE will help determine which crystal life-cycle components most affect harmonic conversion.

Physical Description

6 p.

Notes

OSTI as DE98058767

Other: FDE: PDF; PL:

Source

  • 1998 diffractive optic and micro optics conference, Kailua, HI (United States), 8-12 Jun 1998

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  • Other: DE98058767
  • Report No.: UCRL-JC--130318
  • Report No.: CONF-980636--
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 302872
  • Archival Resource Key: ark:/67531/metadc684201

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  • March 30, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 6, 2017, 5:49 p.m.

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Hibbard, R.L., LLNL. CAVE: the design of a precision metrology instrument for studying performance of KDP crystals, article, March 30, 1998; California. (digital.library.unt.edu/ark:/67531/metadc684201/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.