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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 24, Iss. 5 — Mar. 1, 1985
  • pp: 686–690

Knife-edge scanning of an astigmatic Gaussian beam

Hans R. Bilger and Taufiq Habib  »View Author Affiliations


Applied Optics, Vol. 24, Issue 5, pp. 686-690 (1985)
http://dx.doi.org/10.1364/AO.24.000686


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Abstract

The relations for position, spot size, and inclination of the major axis of an elliptical Gaussian beam to knife-edge scanning data are derived. A knife-edge whose scanning direction is adjustable to any angle has been employed to scan across a beam in at least three directions. Nonlinear least-squares fit programs have been developed to check whether a beam is Gaussian, and to evaluate the parameters, with errors, of such an elliptic spot. The evolution of an astigmatic beam in the tangential and sagittal plane is measured.

© 1985 Optical Society of America

History
Original Manuscript: September 24, 1984
Published: March 1, 1985

Citation
Hans R. Bilger and Taufiq Habib, "Knife-edge scanning of an astigmatic Gaussian beam," Appl. Opt. 24, 686-690 (1985)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-24-5-686

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