Abstract
Bragg gratings are the key components in various optical systems applied in optical communication, lasers, medicine, aerospace, etc., because of their high spectral selectivity. To realize all advantages of volume holograms, it is necessary to use the materials allowing an achievement of high diffraction efficiency coupled with low optical losses. These properties are demonstrated in optical fibers where Bragg gratings are used for the multiplexing of closely spaced spectral channels (DWDM technology).
© 2001 Optical Society of America
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