Photoinduced Bragg reflector in As2S3 glass
- 4 April 1994
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 64 (14) , 1771-1773
- https://doi.org/10.1063/1.111803
Abstract
Bragg reflectors have been fabricated in As2S3 glasses through the photoinduced refractive‐index change process. Illumination of single monochromatic beams can produce Bragg reflectors with a half Bragg width of 2 nm in wavelength and the reflectivity estimated from the transmission decrease at 10%–20%. The reflectors can be erased with annealing and polychromatic illumination.Keywords
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