Tunable optical filters

Details Tunable optical filters Tunable optical filters

G - Physics

02

B

G02B 5/28 (2006.01) G02B 5/26 (2006.01) G02B 6/34 (2006.01) G02B 26/00 (2006.01)

Patent

CA 2076044

A tunable optical filter comprises an array (3) of optical fibre (5 to 8) located within a capillary tube (10) and mounted on a solenoid movable support (14) and positioned in front of a lens (4) and diffraction grating (2). The filter provides simultaneous tuning filtering between fibres (5 and 6 and 7 and 8). By coupling fibres (5 and 6) to a ring laser and fibre (8) to an optical receiv- er simultaneous tuning of a laser and receiver is possible. The filter finds particular application in passive optical networks.

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