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Applied Optics

Applied Optics


  • Vol. 16, Iss. 8 — Aug. 1, 1977
  • pp: 2328–2331

Closure of pinholes under intense laser radiation

Jay S. Pearlman and John P. Anthes  »View Author Affiliations

Applied Optics, Vol. 16, Issue 8, pp. 2328-2331 (1977)

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The closure of pinholes due to plasma created by intense laser radiation interacting with the pinhole perimeter is studied. Pinholes with 100–300-μm initial diam close in 3–14 nsec, respectively, for a 10-nsec FWHA, 10-J incident laser pulse. For a constant focal spot size and pulse duration, the closure time and rate are found to be a function of laser energy; however, the energy transmitted through the pinhole is independent of the incident energy for the pulse duration, pinhole diameters, and focal spot size used in these experiments.

© 1977 Optical Society of America

Original Manuscript: April 10, 1976
Published: August 1, 1977

Jay S. Pearlman and John P. Anthes, "Closure of pinholes under intense laser radiation," Appl. Opt. 16, 2328-2331 (1977)

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  1. W. W. Simons, S. Guch, F. Rainer, J. E. Murray, “A High Energy Spatial Filter for Removal of Small Scale Beam Instabilities in High Power Solid State Lasers,” Lawrence Livermore Laboratory, Livermore, Calif., Report UCRL-76873 (May1975).
  2. P. J. Brannon, J. P. Anthes, G. L. Cano, J. E. Powell, J. Appl. Phys. 46, 3576 (1975). [CrossRef]

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