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  • Vol. 25, Iss. 22 — Nov. 15, 2000
  • pp: 1639–1641

High-energy pulse-burst laser system for megahertz-rate flow visualization

Pingfan P. Wu and Richard B. Miles  »View Author Affiliations


Optics Letters, Vol. 25, Issue 22, pp. 1639-1641 (2000)
http://dx.doi.org/10.1364/OL.25.001639


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Abstract

A high-pulse-energy megahertz-repetition-rate Nd:YAG-based pulse-burst laser system has been developed. The laser can produce a burst of more than 30 pulses, with an average energy per pulse of 70 mJ, at up to 1-MHz repetition rate. The burst repetition rate is 9 Hz. Coupled with a megahertz-framing-rate CCD camera, the frequency-doubled pulse-burst laser system has been successfully used in the visualization of shock evolution in a supersonic flow.

© 2000 Optical Society of America

OCIS Codes
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(120.7250) Instrumentation, measurement, and metrology : Velocimetry
(140.3280) Lasers and laser optics : Laser amplifiers

Citation
Pingfan P. Wu and Richard B. Miles, "High-energy pulse-burst laser system for megahertz-rate flow visualization," Opt. Lett. 25, 1639-1641 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-22-1639


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References

  1. S. Cogne, J. N. Forkey, R. B. Miles, and A. J. Smits, presented at the Symposium on Transition and Turbulent Compressible Flows, ASME Fluids Engineering Conference, Washington, D.C., June 20–23, 1993.
  2. A. L. Kistler, Phys. Fluids 2, 290 (1959).
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  4. C. Kaminski, J. Hult, and M. Alden, Appl. Phys. B 68, 757 (1999).
  5. J. M. Huntley, Opt. Eng. 33, 1692 (1994).
  6. J. M. Grace, P. E. Nebolsine, and C. L. Goldey, Opt. Eng. 37, 2205 (1998).
  7. P. Wu, W. R. Lempert, and R. B. Miles, AIAA J. 38, 672 (2000).

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