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Applied Optics

Applied Optics


  • Vol. 37, Iss. 1 — Jan. 1, 1998
  • pp: 48–53

Refractive-index patterning of tellurite glass surfaces by laser spot heating

Satoru Inoue, Akihiko Nukui, Kazuhiro Yamamoto, Tetsuji Yano, Shuichi Shibata, Masayuki Yamane, and Tomoharu Maeseto  »View Author Affiliations

Applied Optics, Vol. 37, Issue 1, pp. 48-53 (1998)

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A dot pattern of a refractive-index change was formed by spot heating with laser-beam irradiation on sodium tellurite glasses. The 15Na2O · 85TeO2 (mol. %) glass doped with 2 mol. % of CoO was irradiated by a green light-beam spot (532 nm) ∼800 μm in diameter from the second-harmonic generator of a Q-switched pulsed YAG laser. The map of the refractive index of the glass was determined with an He–Ne laser beam by a scanning ellipsometric technique at a resolution of 100 μm × 50 μm, indicating that the spots possessing a refractive index lower by ∼0.05 were formed at the region irradiated by the laser beam.

© 1998 Optical Society of America

OCIS Codes
(120.5710) Instrumentation, measurement, and metrology : Refraction
(140.3300) Lasers and laser optics : Laser beam shaping
(160.2750) Materials : Glass and other amorphous materials
(330.5000) Vision, color, and visual optics : Vision - patterns and recognition

Original Manuscript: May 20, 1997
Revised Manuscript: August 13, 1997
Published: January 1, 1998

Satoru Inoue, Akihiko Nukui, Kazuhiro Yamamoto, Tetsuji Yano, Shuichi Shibata, Masayuki Yamane, and Tomoharu Maeseto, "Refractive-index patterning of tellurite glass surfaces by laser spot heating," Appl. Opt. 37, 48-53 (1998)

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