Optical Damage Threshold of Silicon for Ultrafast Infrared Pulses

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While silicon has several properties making it an attractive material for structure-based laser-driven acceleration, its optical damage threshold, a key parameter for high-gradient acceleration, has been unknown. Here we present measurements of the optical damage threshold of crystalline silicon for ultrafast pulses in the mid-infrared. The wavelengths tested span a range from the telecommunications band at 1550 nm extending longer toward the two-photon absorption threshold at around 2200 nm. We discuss the prevailing theories of ultrafast optical breakdown, describe the experimental setup and preliminary results, and propose a relevant performance parameter for candidate accelerator structures.

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7 pages

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Cowan, B. September 7, 2006.

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Description

While silicon has several properties making it an attractive material for structure-based laser-driven acceleration, its optical damage threshold, a key parameter for high-gradient acceleration, has been unknown. Here we present measurements of the optical damage threshold of crystalline silicon for ultrafast pulses in the mid-infrared. The wavelengths tested span a range from the telecommunications band at 1550 nm extending longer toward the two-photon absorption threshold at around 2200 nm. We discuss the prevailing theories of ultrafast optical breakdown, describe the experimental setup and preliminary results, and propose a relevant performance parameter for candidate accelerator structures.

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7 pages

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  • Prepared for 12th Advanced Accelerator Concepts Workshop (AAC 2006), Lake Geneva, Wisconsin, 10-15 Jul 2006

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  • Report No.: SLAC-PUB-12089
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 891232
  • Archival Resource Key: ark:/67531/metadc882699

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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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  • September 7, 2006

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  • Sept. 21, 2016, 2:29 a.m.

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  • Sept. 26, 2017, 3 p.m.

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Cowan, B. Optical Damage Threshold of Silicon for Ultrafast Infrared Pulses, article, September 7, 2006; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc882699/: accessed November 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.