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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 22 — Nov. 15, 1999
  • pp: 1549–1551

Fluorine-doped SiO2 glasses for F2 excimer laser optics: fluorine content and color-center formation

Hideo Hosono, Masafumi Mizuguchi, Linards Skuja, and Tohru Ogawa  »View Author Affiliations


Optics Letters, Vol. 24, Issue 22, pp. 1549-1551 (1999)
http://dx.doi.org/10.1364/OL.24.001549


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Abstract

Color-center formation in F-doped, OH-free synthetic SiO2 glasses by irradiation with F2 excimer lasers (157 nm) was examined as a function of the F content. The concentration of photoinduced E centers was reduced to ~1/20 by 1 mol.% F 2 doping and remained almost constant on further doping to 7.3 mol. %. The absorption edge was considerably shifted to a lower wavelength (157.4 nm→153 nm for a 5-mm-thick sample) by 1-mol. % doping and decreased only slightly on further doping. The intensities of the Raman bands that are due to three- and four-membered ring structures were significantly reduced by 1-mol. % F doping. These results strongly suggest that elimination of strained Si—O—Si bonds by F doping plays a central role in the improvement of radiation resistance of SiO2 glasses to F2 laser light.

© 1999 Optical Society of America

OCIS Codes
(140.3330) Lasers and laser optics : Laser damage
(160.2750) Materials : Glass and other amorphous materials
(160.6030) Materials : Silica
(220.3740) Optical design and fabrication : Lithography

Citation
Hideo Hosono, Masafumi Mizuguchi, Linards Skuja, and Tohru Ogawa, "Fluorine-doped SiO2 glasses for F2 excimer laser optics: fluorine content and color-center formation," Opt. Lett. 24, 1549-1551 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-22-1549

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