Two-dimensional optical wavefront measurements using a small-aperture beam technique derivative instrument

Edward J. Fitzgerald; Eric J. Jumper

doi:10.1117/1.1327838

1 December 2000 Two-dimensional optical wavefront measurements using a small-aperture beam technique derivative instrument

Edward J. Fitzgerald, Eric J. Jumper

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Optical Engineering, Vol. 39, Issue 12, (December 2000). https://doi.org/10.1117/1.1327838

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.

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Edward J. Fitzgerald and Eric J. Jumper "Two-dimensional optical wavefront measurements using a small-aperture beam technique derivative instrument," Optical Engineering 39(12), (1 December 2000). https://doi.org/10.1117/1.1327838

Published: 1 December 2000

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