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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 25 — Sep. 1, 2011
  • pp: E189–E192

Study on a method of evaluating the alignment of pixels between fiber-optic image bundles and detector arrays

Xu He and Yang Xiang  »View Author Affiliations


Applied Optics, Vol. 50, Issue 25, pp. E189-E192 (2011)
http://dx.doi.org/10.1364/AO.50.00E189


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Abstract

An evaluating method is proposed for aligning fiber-optic image bundles finely to detector arrays with coupled contrast transfer function (CTF). The mathematical expression of coupled CTF is deduced based on the definition of the CTF. The paper discusses the characteristics and variation law of coupled CTF at the Nyquist frequency domain. The results show that the value of coupled CTF is closely related with aligning accuracy. According to the value of coupled CTF, it can accurately determine the situation of aligning between fiber-optic image bundles and detector pixels. Accordingly, this paper proposes a new method to evaluate the aligning accuracy between fiber-optic image bundles and detector pixels using the coupled CTF.

© 2011 Optical Society of America

OCIS Codes
(110.3000) Imaging systems : Image quality assessment
(110.4850) Imaging systems : Optical transfer functions
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing

History
Original Manuscript: March 21, 2011
Revised Manuscript: June 25, 2011
Manuscript Accepted: August 8, 2011
Published: August 22, 2011

Citation
Xu He and Yang Xiang, "Study on a method of evaluating the alignment of pixels between fiber-optic image bundles and detector arrays," Appl. Opt. 50, E189-E192 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-25-E189


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