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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 19, Iss. 2 — Jan. 15, 1980
  • pp: 270–275

Effects of anisotropic and curvature losses on the operation of geodesic lenses in Ti:LiNbO3 waveguides

David W. Vahey, Richard P. Kenan, and William K. Burns  »View Author Affiliations


Applied Optics, Vol. 19, Issue 2, pp. 270-275 (1980)
http://dx.doi.org/10.1364/AO.19.000270


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Abstract

The effects of curvature and anisotropy (leaky-mode) losses on the performance of geodesic lenses in Ti-diffused waveguides in LiNbO3 are examined. A model for the lenses is developed that is equivalent to the usual Fraunhofer diffraction theory, modified to account for the path-dependent losses. Numerical calculations show that the curvature losses are dominant and require fabrication of waveguides having well-confined fundamental modes. Higher-order modes are effectively attenuated by the lenses. The leaky-mode losses have the beneficial effect of reducing the side-lobe intensity in the focal plane.

© 1980 Optical Society of America

History
Original Manuscript: July 6, 1979
Published: January 15, 1980

Citation
David W. Vahey, Richard P. Kenan, and William K. Burns, "Effects of anisotropic and curvature losses on the operation of geodesic lenses in Ti:LiNbO3 waveguides," Appl. Opt. 19, 270-275 (1980)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-19-2-270

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