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Proceedings Paper

Shadowgraph And Interferometry Experiments With A Ten-Picosecond Light Source At Various Wavelengths
Author(s): E. A. McLean; R. H. Lehmberg; J. M. McMahon; B. H. Ripin; J. A. Stamper; S. E. Bodner
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Paper Abstract

A very fast (~ 10 psec) laser light source has been constructed which can be used to make shadowgraph, interferometry, and other diagnostic photographs useful in laser fusion studies. To produce this pulsed light source, a portion of the 100 psec main Nd:glass laser pulse is split off, sent through CS2 cells to produce a frequency chirp, and then optically compressed by diffraction gratings. By frequency converting the output pulse, one can perform studies at frequencies other than the fundamental (i.e., harmonic or Raman-shifted frequencies). The compressed pulse is absolutely time-synchronized with the main laser pulse. Shadowgrams taken using this technique are shown.

Paper Details

Date Published: 14 September 1977
PDF: 5 pages
Proc. SPIE 0097, 12th Intl Congress on High Speed Photography, (14 September 1977); doi: 10.1117/12.955250
Show Author Affiliations
E. A. McLean, Naval Research Laboratory (United States)
R. H. Lehmberg, Naval Research Laboratory (United States)
J. M. McMahon, Naval Research Laboratory (United States)
B. H. Ripin, Naval Research Laboratory (United States)
J. A. Stamper, Naval Research Laboratory (United States)
S. E. Bodner, Naval Research Laboratory (United States)


Published in SPIE Proceedings Vol. 0097:
12th Intl Congress on High Speed Photography
Martin C. Richardson, Editor(s)

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