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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 19, Iss. 12 — Jun. 15, 1994
  • pp: 916–918

Liquid-crystal point-diffraction interferometer

Carolyn R. Mercer and Katherine Creath  »View Author Affiliations


Optics Letters, Vol. 19, Issue 12, pp. 916-918 (1994)
http://dx.doi.org/10.1364/OL.19.000916


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Abstract

A new point-diffraction interferometer has been developed with a liquid-crystal filter that permits arbitrary phase shifts to be introduced between the object and reference beams. A microsphere embedded within the liquid-crystal layer provides a locally generated reference beam. We phase shift the object beam by varying a voltage across the liquid crystals, thereby altering the refractive index of the birefringent nematic liquid crystals.

© 1994 Optical Society of America

History
Original Manuscript: February 10, 1994
Published: June 15, 1994

Citation
Carolyn R. Mercer and Katherine Creath, "Liquid-crystal point-diffraction interferometer," Opt. Lett. 19, 916-918 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-12-916

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