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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 10 — Apr. 1, 2000
  • pp: 1531–1536

Use of radiation and hybrid modes to increase the accuracy in the determination of the refractive indices of rutile

Roberta Ramponi, Marco Marangoni, Roberto Osellame, and Vera Russo  »View Author Affiliations


Applied Optics, Vol. 39, Issue 10, pp. 1531-1536 (2000)
http://dx.doi.org/10.1364/AO.39.001531


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Abstract

A new method to correlate prism and substrate refractive indices is presented and applied to the determination of rutile refractive indices, both ordinary and extraordinary, at different wavelengths in the visible and the near infrared. The method exploits radiation modes and, when the sample structure allows it, hybrid modes. An accuracy of approximately 2 × 10-4 was achieved without the need of any specific preparation of the samples. The method exhibits a good versatility since it can be exploited for the determination of the refractive index of a coupling prism when the substrate index is known and vice versa.

© 2000 Optical Society of America

OCIS Codes
(130.3130) Integrated optics : Integrated optics materials
(160.4330) Materials : Nonlinear optical materials
(230.5480) Optical devices : Prisms
(230.7390) Optical devices : Waveguides, planar
(260.1180) Physical optics : Crystal optics

History
Original Manuscript: July 23, 1999
Revised Manuscript: January 10, 2000
Published: April 1, 2000

Citation
Roberta Ramponi, Marco Marangoni, Roberto Osellame, and Vera Russo, "Use of radiation and hybrid modes to increase the accuracy in the determination of the refractive indices of rutile," Appl. Opt. 39, 1531-1536 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-10-1531

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