Measurement of wavefront structure from large aperture optical components by phase shifting interferometry

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This paper discusses the results of high spatial resolution measurement of the transmitted or reflected wavefront of optical components using phase shifting interferometry with a wavelength of 6328 {angstrom}. The optical components studied range in size from approximately 50 mm {times} 100 mm to 400 mm {times} 750 mm. Wavefront data, in the form of 3-D phase maps, have been obtained for three regimes of scale length: ``micro roughness``, ``mid-spatial scale``, and ``optical figure/curvature.`` Repetitive wavefront structure has been observed with scale lengths from 10 mm to 100 mm. The amplitude of this structure is typically {lambda}/100 to {lambda}/20. Previously ... continued below

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27 p.

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Wolfe, C.R.; Lawson, J.K.; Kellam, M.; Maney, R.T. & Demiris, A. May 12, 1995.

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Description

This paper discusses the results of high spatial resolution measurement of the transmitted or reflected wavefront of optical components using phase shifting interferometry with a wavelength of 6328 {angstrom}. The optical components studied range in size from approximately 50 mm {times} 100 mm to 400 mm {times} 750 mm. Wavefront data, in the form of 3-D phase maps, have been obtained for three regimes of scale length: ``micro roughness``, ``mid-spatial scale``, and ``optical figure/curvature.`` Repetitive wavefront structure has been observed with scale lengths from 10 mm to 100 mm. The amplitude of this structure is typically {lambda}/100 to {lambda}/20. Previously unobserved structure has been detected in optical materials and on the surfaces of components. We are using this data to assist in optimizing laser system design, to qualify optical components and fabrication processes under study in our component development program.

Physical Description

27 p.

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INIS; OSTI as DE95016598

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  • 40. annual meeting of the Society of Photo-Optical Instrumentation Engineers, San Diego, CA (United States), 9-14 Jul 1995

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  • Other: DE95016598
  • Report No.: UCRL-JC--121471
  • Report No.: CONF-950793--12
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 104421
  • Archival Resource Key: ark:/67531/metadc623531

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • May 12, 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 17, 2016, 2:17 p.m.

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Wolfe, C.R.; Lawson, J.K.; Kellam, M.; Maney, R.T. & Demiris, A. Measurement of wavefront structure from large aperture optical components by phase shifting interferometry, article, May 12, 1995; California. (digital.library.unt.edu/ark:/67531/metadc623531/: accessed November 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.