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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 20 — Oct. 15, 2008
  • pp: 2344–2346

Low-coherent light-source angular interferometer using a square prism and the angular-scanning technique

Shyh-Tsong Lin, Sheng-Lih Yeh, and Chien-Wei Chang  »View Author Affiliations


Optics Letters, Vol. 33, Issue 20, pp. 2344-2346 (2008)
http://dx.doi.org/10.1364/OL.33.002344


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Abstract

An interferometer based on using low-coherent light source, a square prism, and the angular-scanning technique is proposed for absolute angular-displacement determinations. An angular displacement of the square prism shifts the correlogram, which is modulated by an envelope function, of the interference signal of the beams passing through the prism. This angle can thus be discovered by detecting the shifting of the envelope peak. A setup constructed to validate the interferometer is used. The results of using this setup are then presented.

© 2008 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(260.3160) Physical optics : Interference

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: June 18, 2008
Revised Manuscript: September 3, 2008
Manuscript Accepted: September 3, 2008
Published: October 13, 2008

Citation
Shyh-Tsong Lin, Sheng-Lih Yeh, and Chien-Wei Chang, "Low-coherent light-source angular interferometer using a square prism and the angular-scanning technique," Opt. Lett. 33, 2344-2346 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-20-2344

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