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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 8 — Mar. 10, 2001
  • pp: 1175–1179

Collimation Testing with Circular Gratings

Chandra Shakher, Shashi Prakash, Daya Nand, and Rajesh Kumar  »View Author Affiliations


Applied Optics, Vol. 40, Issue 8, pp. 1175-1179 (2001)
http://dx.doi.org/10.1364/AO.40.001175


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Abstract

We investigate the testing of collimation by Talbot interferometry with circular gratings. Circular gratings are immune to misalignment owing to rigid body rotations in a plane perpendicular to the optic axis. Experimental results of the investigation are presented, and they are in good agreement with the theoretical predictions. Experimental results verify that collimation testing with circular gratings can be superior to that with linear dual-field gratings.

© 2001 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(110.6760) Imaging systems : Talbot and self-imaging effects
(120.1680) Instrumentation, measurement, and metrology : Collimation

Citation
Chandra Shakher, Shashi Prakash, Daya Nand, and Rajesh Kumar, "Collimation Testing with Circular Gratings," Appl. Opt. 40, 1175-1179 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-8-1175

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