Optical switch with low pressure bubble

Details Optical switch with low pressure bubble Optical switch with low pressure bubble

2006-04-04

2006-04-04

Kang, Juliana (Department: 2874)

Optical waveguides

Optical waveguide sensor

C385S018000

Reexamination Certificate

active

07024062

ABSTRACT:
An optical switch is presented. In a first state, a trench is filled with index matching fluid so that light from a first waveguide passes through the trench to a second waveguide. In a second state, a bubble is formed within the index matching fluid so that light from the first waveguide is reflected at the trench to a third waveguide. The bubble is formed by heat so that volume of the bubble is substantially less than total volume of the trench, resulting in pressure within the bubble not being substantially increased by pressure exerted by sidewalls of the trench.

REFERENCES:
patent: 5699462 (1997-12-01), Fouquet et al.
patent: 6072924 (2000-06-01), Sato et al.
patent: 6195478 (2001-02-01), Fouquet
patent: 6320994 (2001-11-01), Donald et al.
patent: 6324316 (2001-11-01), Fouquet et al.
patent: 6487333 (2002-11-01), Fouquet et al.

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