H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 3/52 (2006.01) G02B 6/35 (2006.01) G02B 26/00 (2006.01) H04B 10/12 (2006.01) H04Q 11/00 (2006.01)
Patent
CA 2386309
A 1×N (or N×1) fiber-optic switch using a Leman prism driven by a step-motor is proposed in this invention. In the optical matrix switches based on various opto- mechanical designs, 1×N (or N×1) optical switches are generally building units and the operating speed, the complexity, the size, the insertion loss, repeatability and the blocking are main problems. In this invention, the 1×N (or N×1) fiber-optic switch uses a Leman prism directly driven by a step-motor. This configuration can let one fixed input optical beam have different positions for the output by choosing different prism locations with a step-motor without changing the length of optical path and the prism movement is much less than the shift of the output beam for one operation. So, the 1×N optical switch based on present invention can be improved in the operation speed, the device size and the complexity without impacting other parameters. With the 1×N (and N×1) fiber-optic switches, a nonblocking N×N optical matrix switches can be directly built through a cross-connection. As a result, the complexity, the repeatability, the operating speed, device size and the power consumption can be significantly improved.
Na
Sun De-Gui
LandOfFree
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