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Applied Optics

Applied Optics


  • Vol. 19, Iss. 2 — Jan. 15, 1980
  • pp: 276–281

Absorption loss and photorefractive-index changes in Ti:LiNbO3 crystals and waveguides

A. M. Glass, I. P. Kaminow, A. A. Ballman, and D. H. Olson  »View Author Affiliations

Applied Optics, Vol. 19, Issue 2, pp. 276-281 (1980)

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Measurement of optical absorption loss and photorefractive sensitivity (optically induced index changes) in Ti-diffused waveguides and bulk Ti-doped single crystals are reported. The absorption loss of strip guides is found to be 0.3 dB/cm at 0.633 μm, and this is expected to decrease at longer wavelengths. The results demonstrate that Ti impurities do not contribute to the absorption loss or to the photorefractive-index changes directly, rather these parameters are determined by impurities in the substrate crystal. A simple pyroelectric method for electrical adjustment of the optical input coupling is also reported.

© 1980 Optical Society of America

Original Manuscript: September 10, 1979
Published: January 15, 1980

A. M. Glass, I. P. Kaminow, A. A. Ballman, and D. H. Olson, "Absorption loss and photorefractive-index changes in Ti:LiNbO3 crystals and waveguides," Appl. Opt. 19, 276-281 (1980)

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