Radiation effects on optical components of a laser radar sensor designed for remote metrology in ITER

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Description

A frequency modulated laser radar is being developed for in-vessel metrology and viewing of plasma-facing surfaces. Some optical components of this sensor must withstand intense gamma radiation (3 {times} 10{sup 6} rad/h) during operation. The authors have tested the effect of radiation on a silica core polarization maintaining optical fiber and on TeO{sub 2} crystals at doses up to {approximately} 10{sup 9} rad. Additional tests are planned for evaluating the performance of a complete acousto-optic (AO) scanning device. The progress made in these tests is also described.

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7 p.

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Menon, M.M.; Grann, E.B. & Slotwinski, A. September 1, 1997.

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Description

A frequency modulated laser radar is being developed for in-vessel metrology and viewing of plasma-facing surfaces. Some optical components of this sensor must withstand intense gamma radiation (3 {times} 10{sup 6} rad/h) during operation. The authors have tested the effect of radiation on a silica core polarization maintaining optical fiber and on TeO{sub 2} crystals at doses up to {approximately} 10{sup 9} rad. Additional tests are planned for evaluating the performance of a complete acousto-optic (AO) scanning device. The progress made in these tests is also described.

Physical Description

7 p.

Notes

INIS; OSTI as DE97008903

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  • 17. IEEE/NPSS symposium on fusion engineering, San Diego, CA (United States), 6-10 Oct 1997

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  • Other: DE97008903
  • Report No.: ORNL/CP--94834
  • Report No.: CONF-971065--
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 292844
  • Archival Resource Key: ark:/67531/metadc683378

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  • September 1, 1997

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  • July 25, 2015, 2:20 a.m.

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  • Jan. 20, 2016, 3:35 p.m.

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Menon, M.M.; Grann, E.B. & Slotwinski, A. Radiation effects on optical components of a laser radar sensor designed for remote metrology in ITER, article, September 1, 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc683378/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.