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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 22 — Aug. 1, 2009
  • pp: 4449–4457

Retroreflective shadowgraph technique for large-scale flow visualization

Michael J. Hargather and Gary S. Settles  »View Author Affiliations


Applied Optics, Vol. 48, Issue 22, pp. 4449-4457 (2009)
http://dx.doi.org/10.1364/AO.48.004449


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Abstract

A simple and robust retroreflective shadowgraph technique is presented for the visualization of refractive phenomena across a broad range of scales in space and time. Originally developed by Edgerton, it is improved here with techniques for producing coincident shadowgram illumination. The optical components required to construct a simple system are discussed, including the retroreflective screen material. The optical sensitivity of the system is explored for visualization of shock waves and turbulent eddies. The shadowgraph system is used here to visualize experiments performed in the laboratory, on a military test range, and in an open field.

© 2009 Optical Society of America

OCIS Codes
(000.2170) General : Equipment and techniques
(120.5710) Instrumentation, measurement, and metrology : Refraction

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: May 28, 2009
Manuscript Accepted: June 30, 2009
Published: July 27, 2009

Citation
Michael J. Hargather and Gary S. Settles, "Retroreflective shadowgraph technique for large-scale flow visualization," Appl. Opt. 48, 4449-4457 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-22-4449

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