Method for production of a tunable optical filter
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United States of America Patent
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Issued Date -
Jan 25, 2007
app pub date -
Apr 15, 2003
filing date -
Apr 17, 2002
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method of producing an optical filter, characterized in that it comprises effecting the following steps on an optical waveguide (10): controlling the varying interior profile of the waveguide, preferably by melt-drawing, and writing a Bragg grating (20), using techniques allowing independent control of longitudinal variation of the Bragg wavelength and longitudinal variation of the exterior profile of the waveguide.
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