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Optical Engineering

Two-dimensional optical wavefront measurements using a small-aperture beam technique derivative instrument
Author(s): Edward J. Fitzgerald; Eric J. Jumper
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Paper Abstract

Results obtained from a new, 600-Hz, 624-subaperture, twodimensional optical wavefront sensor for fluid-optic interaction applications are presented. This instrument can operate at 1 kHz as currently configured and is extendable to 8 kHz with a minor modification. The new sensor uses the small-aperture beam technique for measurements in the streamwise direction, and scanned beams for cross-stream wavefront measurements. Wavefront aberrations produced by a low-speed, heated mixing layer are presented, and the accompanying measurement uncertainty is evaluated.

Paper Details

Date Published: 1 December 2000
PDF: 9 pages
Opt. Eng. 39(12) doi: 10.1117/1.1327838
Published in: Optical Engineering Volume 39, Issue 12
Show Author Affiliations
Edward J. Fitzgerald
Eric J. Jumper, Univ. of Notre Dame (United States)


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