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Optics Letters

Optics Letters


  • Vol. 23, Iss. 8 — Apr. 15, 1998
  • pp: 618–620

Short-pulse laser interferometric measurement of absolute gas densities from a cooled gas jet

T. Ditmire and R. A. Smith  »View Author Affiliations

Optics Letters, Vol. 23, Issue 8, pp. 618-620 (1998)

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We report on the use of a novel technique to measure the gas density from a pulsed gas jet. Deuterium gas is fully ionized with an intense picosecond laser, and the resulting electron density is measured by interferometric probing with a second picosecond pulse. We have applied this technique to characterize a cryogenically cooled, high-density gas jet.

© 1998 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(140.3460) Lasers and laser optics : Lasers

T. Ditmire and R. A. Smith, "Short-pulse laser interferometric measurement of absolute gas densities from a cooled gas jet," Opt. Lett. 23, 618-620 (1998)

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