Devices and methods for temperature stabilization of Bragg grating structures
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United States of America Patent
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Dec 4, 2001
Grant Date -
N/A
app pub date -
Mar 3, 2000
filing date -
Mar 3, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Precisely tensioned optical fiber devices are held in a temperature compensated package, with a small diameter span of a fiber containing a Bragg grating of a needed periodicity being supported under tension at opposite ends between spaced apart end members whose thermal expansion characteristics differ from that of an underlying base. The direct points of attachment of the ends of the tensioned span are rotationally as well as axially movable, enabling fine tuning of periodicity and twisting to minimize polarization and dispersion effects. This configuration is also useful for unique methods of assembly of the components, and for use during writing the Bragg grating in the small diameter span.
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