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Applied Optics

Applied Optics


  • Vol. 38, Iss. 8 — Mar. 10, 1999
  • pp: 1311–1316

Interferometric array illuminator with analysis of nonobservable fringes

Paramasivam Senthilkumaran  »View Author Affiliations

Applied Optics, Vol. 38, Issue 8, pp. 1311-1316 (1999)

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Interferometric methods for array generation offer various advantages over diffractive methods. Use of polarizing elements in an interferometric array illuminator results in interesting properties in addition to improving the efficiency considerably from low levels. The array pattern appears as nonobservable fringes that can be observed only with a polarizer, and the interferometer is insensitive to one of the tilt components. A thorough analysis of such an interferometric array illuminator is presented in this paper. Several possible applications of such an interferometer in addition to use as an array illuminator are proposed.

© 1999 Optical Society of America

OCIS Codes
(100.2650) Image processing : Fringe analysis
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(200.4560) Optics in computing : Optical data processing
(230.0230) Optical devices : Optical devices
(230.5440) Optical devices : Polarization-selective devices

Original Manuscript: May 5, 1998
Revised Manuscript: October 29, 1998
Published: March 10, 1999

Paramasivam Senthilkumaran, "Interferometric array illuminator with analysis of nonobservable fringes," Appl. Opt. 38, 1311-1316 (1999)

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