Double-passage acousto-optical device and laser

Details Double-passage acousto-optical device and laser Double-passage acousto-optical device and laser

G - Physics

02

F

G02F 1/11 (2006.01) G02B 6/12 (2006.01) G02B 6/126 (2006.01) G02B 6/24 (2006.01) G02B 6/42 (2006.01) G02B 6/43 (2006.01) G02F 1/125 (2006.01) H01S 3/05 (2006.01) H01S 3/08 (2006.01) H01S 3/082 (2006.01) H01S 3/083 (2006.01) H01S 3/106 (2006.01) H04B 10/12 (2006.01)

Patent

CA 2282914

A double-passage acousto-optical device including an acousto-optical switch having a first polarization conversion region connected between first input and output ports, and a second conversion region connected between second input and output ports; and an optical combination connected between the first output port and the second input port via optical fibers and including an optical isolating element. The double-passage acousto-optical device may alternately include an acousto- optical switch including a single polarization conversion region connected between first input and output ports and also connected between second input and output ports. A bandpass filter, a notch filter, and add/drop and a tunable laser generator may be formed using the acousto-optical device.

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