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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 26 — Sep. 10, 2012
  • pp: 6429–6440

Improved collimation testing technique

Asloob Ahmad Mudassar and Saira Butt  »View Author Affiliations


Applied Optics, Vol. 51, Issue 26, pp. 6429-6440 (2012)
http://dx.doi.org/10.1364/AO.51.006429


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Abstract

Laser collimation is an essential part of many experimental setups including optical coherent processors, image transformers, Fourier transform generators, and 4f-based optical systems. A device is required to test the collimation of lasers in such experiments. We are proposing a modification in the existing two-lens-system (TLS)-based collimation testing technique in which a combination of a convex and a concave lens is placed in space between the collimating lens and the first grating of the conventional setup. In the proposed method, we change the position of the second TLS component, placing it between the two gratings. The proposed idea not only reduces the size of the system but also gives improved results. Theoretical modeling and simulated and experimental results are presented to support our idea.

© 2012 Optical Society of America

OCIS Codes
(080.0080) Geometric optics : Geometric optics
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.1680) Instrumentation, measurement, and metrology : Collimation
(120.4120) Instrumentation, measurement, and metrology : Moire' techniques
(350.0350) Other areas of optics : Other areas of optics

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: May 31, 2012
Revised Manuscript: July 24, 2012
Manuscript Accepted: July 24, 2012
Published: September 10, 2012

Citation
Asloob Ahmad Mudassar and Saira Butt, "Improved collimation testing technique," Appl. Opt. 51, 6429-6440 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-26-6429

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