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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 9, Iss. 5 — Apr. 29, 2014

Digital phase-shifting point diffraction interferometer

Vyas Akondi, A. R. Jewel, and Brian Vohnsen  »View Author Affiliations


Optics Letters, Vol. 39, Issue 6, pp. 1641-1644 (2014)
http://dx.doi.org/10.1364/OL.39.001641


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Abstract

A digital phase-shifting (PS) point diffraction interferometer is demonstrated with a transmitting liquid crystal spatial light modulator. This novel wavefront sensor allows tunability in the choice of pinhole size and eliminates the need for mechanically moving parts to achieve PS. It is shown that this wavefront sensor is capable of sensing Zernike aberrations introduced with a deformable mirror. The results obtained are compared with those of a commercial Hartmann–Shack wavefront sensor.

© 2014 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(350.1260) Other areas of optics : Astronomical optics
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: November 21, 2013
Revised Manuscript: February 11, 2014
Manuscript Accepted: February 16, 2014
Published: March 13, 2014

Virtual Issues
Vol. 9, Iss. 5 Virtual Journal for Biomedical Optics

Citation
Vyas Akondi, A. R. Jewel, and Brian Vohnsen, "Digital phase-shifting point diffraction interferometer," Opt. Lett. 39, 1641-1644 (2014)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-39-6-1641


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