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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 19 — Jul. 1, 2013
  • pp: 4724–4727

Measurement of the modulation transfer function of a charge-coupled device array by the combination of the self-imaging effect and slanted edge method

Sedigheh Najafi and Khosro Madanipour  »View Author Affiliations


Applied Optics, Vol. 52, Issue 19, pp. 4724-4727 (2013)
http://dx.doi.org/10.1364/AO.52.004724


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Abstract

In this paper, by a combination of the self-imaging effect for Ronchi gratings and the standard slanted edge modulation transfer function (MTF) measurement method for CCD cameras, the MTF of the CCD array without optics is measured. For this purpose, a Ronchi-type grating is illuminated by an expanded He–Ne laser. A self-image of the grating appears without optics on the CCD array that is located on the Talbot distance. The lines of the self-image of the grating are used as a slanted edge array. This method has all the advantages of the slanted edge method, and also since the array of the edge is ready, the total area of the CCD can be tested. The measured MTF is related to the CCD array without optics.

© 2013 Optical Society of America

OCIS Codes
(110.4100) Imaging systems : Modulation transfer function
(110.6760) Imaging systems : Talbot and self-imaging effects
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology

ToC Category:
Imaging Systems

History
Original Manuscript: April 15, 2013
Revised Manuscript: May 25, 2013
Manuscript Accepted: May 26, 2013
Published: June 28, 2013

Citation
Sedigheh Najafi and Khosro Madanipour, "Measurement of the modulation transfer function of a charge-coupled device array by the combination of the self-imaging effect and slanted edge method," Appl. Opt. 52, 4724-4727 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-19-4724

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