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Optics Letters

Optics Letters


  • Vol. 8, Iss. 1 — Jan. 1, 1983
  • pp: 51–53

Simultaneous multiple-point velocity measurements using laser-induced iodine fluorescence

J. C. McDaniel, B. Hiller, and R. K. Hanson  »View Author Affiliations

Optics Letters, Vol. 8, Issue 1, pp. 51-53 (1983)

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A technique is demonstrated for measuring velocity at multiple locations in a plane of a gaseous flowfield using with fluorescence detection from iodine molecules, excited by a sheet of tunable single-axial-mode argon-ion laser at 514.5 nm. Measurements were made simultaneously at 10,000 points in iodine-seeded supersonic flowfield with a 100 × 100 element photodiode array camera and were found to agree in well with a numerical solution for the veloctiy field The accuracy with which a component of velocity can be measured is limited, is the current approach, by the iodine linewidth to about ±5 m/sec.

© 1983 Optical Society of America

Original Manuscript: August 30, 1982
Published: January 1, 1983

J. C. McDaniel, B. Hiller, and R. K. Hanson, "Simultaneous multiple-point velocity measurements using laser-induced iodine fluorescence," Opt. Lett. 8, 51-53 (1983)

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