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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 22 — Nov. 15, 2003
  • pp: 2243–2245

Phase-shifting lateral shearing interferometer with two pairs of wedge plates

Hyun-Ho Lee, Jang-Hoon You, and Seung-Han Park  »View Author Affiliations


Optics Letters, Vol. 28, Issue 22, pp. 2243-2245 (2003)
http://dx.doi.org/10.1364/OL.28.002243


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Abstract

We present a compact and robust phase-shifting lateral shearing interferometer that produces shearing fringes in orthogonal directions without any mechanical rotation or precise alignment. It consists of two pairs of wedge plates, a beam splitter, and a single CCD camera. Both phase-shifting and tilt for lateral shearing are achieved with two pairs of wedge plates, which can reduce systematic errors caused by external vibration and atmospheric disturbance.

© 2003 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(220.4840) Optical design and fabrication : Testing

Citation
Hyun-Ho Lee, Jang-Hoon You, and Seung-Han Park, "Phase-shifting lateral shearing interferometer with two pairs of wedge plates," Opt. Lett. 28, 2243-2245 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-22-2243

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