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Optics Letters


  • Vol. 21, Iss. 10 — May. 15, 1996
  • pp: 755–757

Unseeded velocity measurement by ozone tagging velocimetry

Robert W. Pitz, Thomas M. Brown, Sastri P. Nandula, Patricia A. Skaggs, Peter A. DeBarber, Michael S. Brown, and Jeffrey Segall  »View Author Affiliations

Optics Letters, Vol. 21, Issue 10, pp. 755-757 (1996)

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Ozone tagging velocimetry is developed for unseeded velocity measurement of air flows. An ozone line is photochemically created by an ArF excimer laser. After a fixed time delay the ozone line is imaged with a KrF excimer laser sheet (248 nm) that photodissociates the ozone and produces vibrationally excited O2. The O2 is excited by the same 248-nm light through the Schumann–Runge band, B Σ u - 3 ( v = 0 , 2 ) X Σ g - 3 ( v = 6 , 7 ). An intensified CCD camera records the O2 fluorescence from the initial and the final line positions to permit the velocity profile along the line to be determined.

© 1996 Optical Society of America

Original Manuscript: January 19, 1996
Published: May 15, 1996

Robert W. Pitz, Peter A. DeBarber, Michael S. Brown, Thomas M. Brown, Sastri P. Nandula, Jeffrey Segall, and Patricia A. Skaggs, "Unseeded velocity measurement by ozone tagging velocimetry," Opt. Lett. 21, 755-757 (1996)

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