Optical waveguides – Having particular optical characteristic modifying chemical... – Of waveguide core
Patent
1992-06-15
1994-05-24
Ullah, Akm E.
Optical waveguides
Having particular optical characteristic modifying chemical...
Of waveguide core
G02B 5172
Patent
active
053156854
ABSTRACT:
A component for the transmission of light of high energy density with a wavelength between 250 nm and 400 nm is made of synthetic, high-purity fused vitreous silica having a hydroxyl ion content in the range between 50 ppm and 1200 ppm and an under-stoichiometric content of oxygen for the achievement of a minimal transmission variation in the transmission of the light.
REFERENCES:
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patent: 4988162 (1991-01-01), Hayami
Hitzler et al., "KrF-Laser Irradiation Induced Defects in All Silica Optical Fibers", Journal of Non-Crystalline Solids, vol. 149, pp. 107-114 (Oct. 11, 1992).
Thomon et al., "Correlation of the 5.0 and 7.6 ev Absorption Bands in SiO.sub.2 with Oxygen Vacancy" Physical Review B, vol. 39, No. 2 (1989).
Taylor et al., "Dependence of the Damage and Transmission Properties of Fused Silica Fibers on the Excess Laser Wavelength" Applied Optics, vol. 27, No. 15 (1988).
Whitehurst et al., "Ultraviolet Pulse Transmission in Optical Fibres", Journal of Modern Optics, vol. 35, No. 3, 371-385 (1988).
Nishikawa et al., "Defects and Stress Phenomena in Optical Fibers," Proc. OFC, 1989, Paper THI1.
Fabian Heinz
Thomas Stephan
Heraeus Quarzglas GmbH
Ullah Akm E.
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