Optical switch and method of manufacturing the same

Details Optical switch and method of manufacturing the same Optical switch and method of manufacturing the same

2006-07-25

2006-07-25

Font, Frank G. (Department: 2883)

Optical waveguides

With optical coupler

Switch

C385S016000, C385S020000, C385S031000, C385S039000, C385S050000

Reexamination Certificate

active

07082233

ABSTRACT:
An optical switch includes a film consisting of a polymer, a keep plate having a switching through hole and a driver. The film has a core linearly extending therein and a notch extending across a switching portion located halfway in the core. The keep plate holds the film to expose the switching portion at the through hole. The driver is employed for narrowing and separating a gap of the notch, thereby selecting a route of light. The notch is formed by precedently forming a starting groove on the surface of the film and pressing the switching portion with a pressing member from the backside of the starting groove while holding the film with the keep plate thereby causing cleavage.

REFERENCES:
patent: 6519381 (2003-02-01), Hatta et al.
patent: 2002/0067878 (2002-06-01), Hatta et al.
patent: 2002/0168133 (2002-11-01), Saito
Saito et al., “Mechanical optical switch flexible polymeric waveguide”, Optical Fiber Communication Conference and Exhibit, 2002. OFC 2002 Mar. 17-22, 2002 pp. 14-15.
Takeshi Saito, et al., “A study on loss reduction in Bascule optical switch”, p. 264 of Proceedings of the 2003 IEICE General Conference, The Institute of Electronics, Information and Communication Engineers, published on Mar. 3, 2003.

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