Compact and high performance opto-mechanical switch

Details Compact and high performance opto-mechanical switch Compact and high performance opto-mechanical switch

2007-11-20

2007-11-20

Cherry, Euncha P. (Department: 2872)

Optical: systems and elements

Prism

With reflecting surface

Reexamination Certificate

active

11249888

ABSTRACT:
A 2×2 opto-mechanical switch is disclosed. A first embodiment of the present invention utilizes a transmitting compact parallel prism and four or two pieces of the 45-degree prism to increase the beam separation. The compact parallel prism keeps a much smaller load to the relay arm. This makes the current invention less sensitive to the ambient shock and vibration. A second embodiment of the present invention utilizes a similar transmitting compact parallel prism and two wedge prisms which has similar advantages. The compact prism applies a small loading force to the relay arm. Both of these embodiments also feature superior thermal and mechanical stability.An opto-mechanical switch in accordance with the present invention utilizes a transmitting design and thus is more stable to ambient thermal or mechanical change. The embodiments of the present invention also feature much better repeatability than the conventional 2×2 optical switches.

REFERENCES:
patent: 6219474 (2001-04-01), Cai et al.
patent: 6463189 (2002-10-01), Wu et al.
patent: 6477289 (2002-11-01), Li
patent: 6493139 (2002-12-01), Liu et al.
patent: 6707960 (2004-03-01), Li et al.
patent: 7058255 (2006-06-01), Fang
patent: 2002/0009254 (2002-01-01), Sui

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