作者
Kelly D Simmons, Sophie LaRochelle, Victor Mizrahi, George I Stegeman, David L Griscom
发表日期
1991/2/1
期刊
Optics letters
卷号
16
期号
3
页码范围
141-143
出版商
Optica Publishing Group
简介
We demonstrate a similar wavelength-dependent response for both the generation of Ge E′ centers and the formation of photosensitive gratings in germania-doped silica fibers. This supports a model for the grating formation whereby two-photon absorption of laser radiation into the UV bleachable absorption band of an oxygen-deficient germania site creates hole traps, modeled as Ge E′ centers, which are detectable with electron spin reasonance spectroscopy.
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KD Simmons, S LaRochelle, V Mizrahi, GI Stegeman… - Optics letters, 1991