Thermally stable mounting for a diffraction grating device
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United States of America Patent
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May 25, 2004
Grant Date -
Dec 5, 2002
app pub date -
Dec 29, 2000
filing date -
Jun 15, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A wavelength division multiplexer (WDM) including a support structure that is coupled to at least one optical component. A diffraction grating is optically coupled to at least one optical component coupled to the at least one optical component. A frame is coupled to the diffraction grating. Pins may be coupled between the support structure and the frame to substantially thermally isolate the support structure from the frame. The pins may be substantially geometrically equally spaced and have approximately the same exposed length extending from the lens barrel. The pins may have the same coefficient of thermal expansion as the support structure.
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