Removal of Lattice Imperfections that Impact the Optical Quality of Ti:Sapphire using Advanced Magnetorheological Finishing Techniques

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Advanced magnetorheological finishing (MRF) techniques have been applied to Ti:sapphire crystals to compensate for sub-millimeter lattice distortions that occur during the crystal growing process. Precise optical corrections are made by imprinting topographical structure onto the crystal surfaces to cancel out the effects of the lattice distortion in the transmitted wavefront. This novel technique significantly improves the optical quality for crystals of this type and sets the stage for increasing the availability of high-quality large-aperture sapphire and Ti:sapphire optics in critical applications.

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7 p. (0.2 MB)

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Menapace, J A; Schaffers, K I; Bayramian, A J; Davis, P J; Ebbers, C A; Wolfe, J E et al. February 26, 2008.

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Advanced magnetorheological finishing (MRF) techniques have been applied to Ti:sapphire crystals to compensate for sub-millimeter lattice distortions that occur during the crystal growing process. Precise optical corrections are made by imprinting topographical structure onto the crystal surfaces to cancel out the effects of the lattice distortion in the transmitted wavefront. This novel technique significantly improves the optical quality for crystals of this type and sets the stage for increasing the availability of high-quality large-aperture sapphire and Ti:sapphire optics in critical applications.

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7 p. (0.2 MB)

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PDF-file: 7 pages; size: 0.2 Mbytes

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  • Presented at: euspen International Conference, Zurich, Switzerland, May 18 - May 23, 2008

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  • Report No.: LLNL-CONF-401976
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 945136
  • Archival Resource Key: ark:/67531/metadc895457

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Office of Scientific & Technical Information Technical Reports

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  • February 26, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • April 17, 2017, 12:53 p.m.

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Menapace, J A; Schaffers, K I; Bayramian, A J; Davis, P J; Ebbers, C A; Wolfe, J E et al. Removal of Lattice Imperfections that Impact the Optical Quality of Ti:Sapphire using Advanced Magnetorheological Finishing Techniques, article, February 26, 2008; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc895457/: accessed November 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.