Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1997-11-10
1998-12-22
Group, Karl
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501 55, 20419215, 20419223, 428426, 428428, C03C 304, B32B 1706
Patent
active
058519386
ABSTRACT:
A glass material variable in volume by irradiation with ultraviolet light has a GeO.sub.2 --SiO.sub.2 glass composition having a GeO.sub.2 content of 0.5 to 90 mol %, and is in the form of a thin film formed in an argon atmosphere or in an argon-oxygen mixed gas atmosphere by the high-frequency sputtering method.
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"248nm Induced Vacuum UV Spectral Changes in Optical Fibre Preform Cores: Support for a Colour Centre Model of Photosensitivity", Electronics Letters, vol. 29, No. 4, Feb. 18, 1993, pp. 385-387.
"Characteristics of 5-eV Absorption Band in Sputter Deposited GeO.sub.2 -SiO.sub.2 Thin Glass Films", Nishii et al, Applied Phys. Ltr., vol. 64, No. 3, Jan. 17, 1994, pp. 282-284.
"Novel Process for the Production of Large, Stable Photosensitivity in Glass Films", Simmons-Potter et al, Applied Phys. Ltr., vol. 68, No. 14, Apr. 1, 1996, pp. 2011-2013.
"Preparation of Bragg Gratings in Sputter-Deposited GeO.sub.2 -SiO.sub.2 Glasses by Excimer-Laser Irradiation", Nishii et al, Optics Letters, vol. 21, No. 17, Sep. 1, 1996, pp. 1360 -1362.
Nishii Junji
Yamanaka Hiroshi
Agency of Industrial Science & Technology
Group Karl
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