Process and system for tunable filter optical train alignment
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United States of America Patent
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Nov 2, 2004
Grant Date -
N/A
app pub date -
Sep 21, 2000
filing date -
Sep 21, 2000
priority date (Note) -
Expired
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Abstract
An alignment process for a fiber optic system, which includes at least one lens and a tunable filter element, comprises transmitting an optical signal into the system and detecting a back-reflection from the lens and/or the tunable filter element. The position of the lens relative to the tunable filter element is then manipulated in response to the back-reflection. This alignment prevents the excitation of higher order modes.
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