G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/36 (2006.01) G02B 6/42 (2006.01)
Patent
CA 2065280
2065280 9103754 PCTABS00003 An optical coupler for coupling light between an optical fiber core and an electrooptic transducer (62) includes a pin (71) and channel (73) arrangement associated with a mechanism for opening and closing the coupler. At one position (75) the pin engages an end of the channel whereat the coupler is open and safe insertion or removal of the fiber from the coupler is possible. At a second position (77), the pin engages another end of the channel and an optical fiber previously inserted into the coupler when in its open position is securely locked in the optical coupler. The positions (75, 77) are so arranged such that subsequent to loading the fiber in the groove (65) with the coupler open, the rotational member (81) is turned until the pin (71) engages the position (75). Doing so causes the slideable member (86) to be urged in its closed position by the cam (88) being fully engaged against the spring (74) so as to deflect the spring and resiliently urge the slideable member closed such that the optical fiber is securely held within the groove (65) and accurately positioned such that optimum light coupling between the transducer (62) and a core of the optical fiber results. Furthermore, when the rotational member is rotated 180· from the first position (75), the cam disengages the spring and also urges the slideable member away from the groove (65). When the pin (71) engages the second position (77), the cam (88) is completely disengaged from the spring (74) and the slideable member (86) is in its open position relative to the coupler body (3) so that the fiber can safely be removed from the coupler and holder.
Halstead Whitfield
Saiia Louis
Ericsson Raynet
Marks & Clerk
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