In-situ monitoring of surface post-processing in large aperture fused silica optics with Optical Coherence Tomography

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Optical Coherence Tomography is explored as a method to image laser-damage sites located on the surface of large aperture fused silica optics during post-processing via CO{sub 2} laser ablation. The signal analysis for image acquisition was adapted to meet the sensitivity requirements for this application. A long-working distance geometry was employed to allow imaging through the opposite surface of the 5-cm thick optic. The experimental results demonstrate the potential of OCT for remote monitoring of transparent material processing applications.

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Guss, G M; Bass, I l; Hackel, R P; Mailhiot, C & Demos, S G February 8, 2008.

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Optical Coherence Tomography is explored as a method to image laser-damage sites located on the surface of large aperture fused silica optics during post-processing via CO{sub 2} laser ablation. The signal analysis for image acquisition was adapted to meet the sensitivity requirements for this application. A long-working distance geometry was employed to allow imaging through the opposite surface of the 5-cm thick optic. The experimental results demonstrate the potential of OCT for remote monitoring of transparent material processing applications.

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PDF-file: 10 pages; size: 0.7 Mbytes

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  • Journal Name: Applied Optics, vol. 47, no. 25, September 1, 2008, pp. 4569-4373; Journal Volume: 47; Journal Issue: 25

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  • Report No.: LLNL-JRNL-401368
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 944336
  • Archival Resource Key: ark:/67531/metadc893186

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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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  • February 8, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 29, 2016, 2:42 p.m.

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Guss, G M; Bass, I l; Hackel, R P; Mailhiot, C & Demos, S G. In-situ monitoring of surface post-processing in large aperture fused silica optics with Optical Coherence Tomography, article, February 8, 2008; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc893186/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.