Optical resonant cavity filters
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United States of America Patent
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Jan 19, 1988
Issued Date -
N/A
app pub date -
Jun 28, 1984
filing date -
Dec 16, 1981
priority date (Note) -
Expired
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Abstract
A wavelength filtering device and system in which an optical resonant cavity is laterally coupled to a trunk waveguide carrying a broad range of wavelengths in the optical spectrum. The filtering cavities may be linear optical fiber segments or fiber segments closed at their ends in the shape of a loop. The devices may include single or multiple optical cavities or hybrid filtering utilizing both dispersive and resonant functions.
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