Wavelength selectable optical filter
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United States of America Patent
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N/A
Issued Date -
Nov 14, 2002
app pub date -
May 1, 2002
filing date -
May 2, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wavelength tunable optical filter 14 and a method of making the same. The optical filter 14 comprising two back-to-back Fabry-Perot optical cavities 30 & 40 comprising a fixed mirror 31 common to both cavities with parallel displaceable mirrors 32 & 42 located one on each side of the fixed mirror 31 to adjust the overall known length of the respective cavities. One optical cavity may have greater length than the other optical cavity.
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