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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 22 — Nov. 15, 1998
  • pp: 1751–1753

Photosensitivity of lead germanate glass waveguides grown by pulsed laser deposition

Sakellaris Mailis, Andrew A. Anderson, Stephen J. Barrington, William S. Brocklesby, Robert Greef, Harvey N. Rutt, Robert W. Eason, Nikolaos A. Vainos, and Christos Grivas  »View Author Affiliations


Optics Letters, Vol. 23, Issue 22, pp. 1751-1753 (1998)
http://dx.doi.org/10.1364/OL.23.001751


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Abstract

We report very large photoinduced refractive-index changes Δn, of the order of ~102, in lead germanate glass waveguides grown by pulsed-laser deposition. The magnitude of Δn was derived from measurements of diffraction efficiency for gratings written by exposure to 244-nm light through a phase mask, whereas the sign of Δn was determined from ellipsometric data. Results are shown for films grown under oxygen pressures ranging from 1 χ 10-2 to 6 χ 10-2mbars (1.33mbars=1 Torr).

© 1998 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(310.2790) Thin films : Guided waves
(310.6860) Thin films : Thin films, optical properties

Citation
Sakellaris Mailis, Andrew A. Anderson, Stephen J. Barrington, William S. Brocklesby, Robert Greef, Harvey N. Rutt, Robert W. Eason, Nikolaos A. Vainos, and Christos Grivas, "Photosensitivity of lead germanate glass waveguides grown by pulsed laser deposition," Opt. Lett. 23, 1751-1753 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-22-1751

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