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Applied Optics

Applied Optics


  • Vol. 22, Iss. 16 — Aug. 15, 1983
  • pp: 2481–2483

Process for producing laser-formed video calibration markers

J. B. Franck, P. N. Keller, R. A. Swing, and G. G. Silberberg  »View Author Affiliations

Applied Optics, Vol. 22, Issue 16, pp. 2481-2483 (1983)

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A process for producing calibration markers directly on the photoconductive surface of video camera tubes has been developed. This process includes the use of a Nd:YAG laser operating at 1.06 μm with a 9.5-nsec pulse width (full width at half-maximum). The laser was constrained to operate in the TEM00 spatial mode by intercavity aperturing. The use of this technology has produced an increase of up to 50 times the accuracy of geometric measurement. This is accomplished by a decrease in geometric distortion and an increase in geometric scaling. The process by which these laser-formed video calibrations are made will be discussed.

© 1983 Optical Society of America

Original Manuscript: December 14, 1982
Published: August 15, 1983

J. B. Franck, P. N. Keller, R. A. Swing, and G. G. Silberberg, "Process for producing laser-formed video calibration markers," Appl. Opt. 22, 2481-2483 (1983)

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  1. L. M. Biberman, Reticles in Electro-Optical Devices (Pergamon, New York, 1960).

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