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Title: Optically recording interferometer for velocity measurements with subnanosecond resolution

Journal Article · · J. Appl. Phys.; (United States)
DOI:https://doi.org/10.1063/1.332222· OSTI ID:5708359

An optically recording velocity interferometer system, called ORVIS, has been developed to measure particle velocity histories in shock wave experiments on condensed matter. The interferometer fringe motion is recorded with a high speed electronic streak camera, rather than with photomultiplier tubes and oscilloscopes as in previous interferometry systems. With this approach, the particle velocity of a witness foil in a detonation wave experiment was measured with 300-ps time resolution. We believe that 20-ps time resolution can be achieved with this technique which would represent an improvement of two orders of magnitude over previous measurement techniques.

Research Organization:
Sandia National Laboratories, Albuquerque, New Mexico 87185
DOE Contract Number:
AC04-76DP00789
OSTI ID:
5708359
Journal Information:
J. Appl. Phys.; (United States), Vol. 54:4
Country of Publication:
United States
Language:
English