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Applied Optics

Applied Optics


  • Vol. 38, Iss. 25 — Sep. 1, 1999
  • pp: 5399–5407

Conoscopic interferometry of surface-acoustic-wave substrate crystals

Pekka H. Äyräs, Ari T. Friberg, Matti A. J. Kaivola, and Martti M. Salomaa  »View Author Affiliations

Applied Optics, Vol. 38, Issue 25, pp. 5399-5407 (1999)

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Conoscopic interferometry is applied for determining the crystal orientation of lithium niobate and other commonly employed substrate wafers for integrated-optic and surface-acoustic-wave devices. The method is particularly applicable for detecting the orientation of the optic axes of the strongly birefringent niobate but is less sensitive for lithium tantalate or quartz. Conoscopic interference is a low-cost and easy-to-use method that is especially suitable for laboratory usage.

© 1999 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(160.3730) Materials : Lithium niobate
(260.1180) Physical optics : Crystal optics
(260.1440) Physical optics : Birefringence

Original Manuscript: May 12, 1999
Revised Manuscript: May 12, 1999
Published: September 1, 1999

Pekka H. Äyräs, Ari T. Friberg, Matti A. J. Kaivola, and Martti M. Salomaa, "Conoscopic interferometry of surface-acoustic-wave substrate crystals," Appl. Opt. 38, 5399-5407 (1999)

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