Optical coupling arrangement

Details Optical coupling arrangement Optical coupling arrangement

G - Physics

02

B

G02B 6/26 (2006.01) G02B 5/20 (2006.01) G02B 6/34 (2006.01)

Patent

CA 2332763

An optical coupler and method of making an optical filter is disclosed wherein a compound lens having two separate movable lenses are disposed between input/output ports and a filter element, such as a dichroic filter element. The filter is tuned during assembly by varying the gap between the movable lenses. Once it is established that optimum coupling is achieved and a desired wavelength response is achieved, the two lenses are fixed in place.

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