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Applied Optics

Applied Optics


  • Vol. 22, Iss. 3 — Feb. 1, 1983
  • pp: 424–429

Measuring cylindrically symmetric refractive-index profiles: a method

Dennis Gregoris and Keigo lizuka  »View Author Affiliations

Applied Optics, Vol. 22, Issue 3, pp. 424-429 (1983)

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This paper describes a new nondestructive method to measure cylindrically symmetric refractive-index profiles of transparent cylinders. The technique is based on the measurement of the axial displacement of rays that are refracted within the cylinder. Three different types of index profile were experimentally determined. Profile errors of better than one part in 103 were achieved using very modest equipment. The effects of certain experimental parameters on the profile accuracy are noted. The technique may be applied to the characterization of optical fiber preforms and graded-index rod lenses.

© 1983 Optical Society of America

Original Manuscript: July 7, 1982
Published: February 1, 1983

Dennis Gregoris and Keigo lizuka, "Measuring cylindrically symmetric refractive-index profiles: a method," Appl. Opt. 22, 424-429 (1983)

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