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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 14 — Jul. 12, 2004
  • pp: 3131–3136

Photosensitivity of ion-exchanged Er-doped phosphate glass using 248nm excimer laser radiation

Stavros Pissadakis, Aris Ikiades, Ping Hua, Anna K. Sheridan, and James S. Wilkinson  »View Author Affiliations

Optics Express, Vol. 12, Issue 14, pp. 3131-3136 (2004)

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The photosensitivity to 248nm excimer laser radiation of Er-doped Schott IOG-1 phosphate glass is presented. The photosensitive mechanism is investigated by employing a grating recording process. Index changes of up to ~2.0×10-3 were measured in silver ion-exchanged samples using diffraction efficiency measurements; whereas changes of only ~10-5 were measured for non-ion-exchanged samples. Absorption measurements allowed the identification of specific color center bands, which were attributed to the glass matrix and to the silver ions. Investigation of the exposed ion-exchanged glass using scanning electron microscopy and energy dispersive x-ray microanalysis revealed that in addition to the color centers formed, silver ion migration and ionization contribute significantly to the UV-induced index changes.

© 2004 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(130.3130) Integrated optics : Integrated optics materials
(160.5320) Materials : Photorefractive materials
(160.5690) Materials : Rare-earth-doped materials

ToC Category:
Research Papers

Original Manuscript: June 2, 2004
Revised Manuscript: June 30, 2004
Published: July 12, 2004

Stavros Pissadakis, Aris Ikiades, Ping Hua, Anna Sheridan, and James Wilkinson, "Photosensitivity of ion-exchanged Er-doped phosphate glass using 248nm excimer laser radiation," Opt. Express 12, 3131-3136 (2004)

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