Optical switch utilizing electrostatic deformation of an optical

Details Optical switch utilizing electrostatic deformation of an optical Optical switch utilizing electrostatic deformation of an optical

1991-01-28

1992-04-21

Lee, John D.

Optical waveguides

With optical coupler

Switch

359291, 385 40, G02B 626

Patent

active

051075334

ABSTRACT:
An otpical switch utilizing electrostatic deformation of an optically transparent elastomer. The switch is easily fabricated at a low cost using readily available and easily handled materials. The switch consists of legs made from stripes of an elastomer which meet at a flat interface. This interface reflects light from a first leg into a second leg. To enable the switch, the flat surface is deformed by electrostatic forces so that light from the first leg will no longer be reflected but will pass into a third leg. The invention provides low attenuation of light along the selected path combined with low leakage along the non-selected path. The optical switch does not compromise the unique advantages of optical signal transmission.

REFERENCES:
patent: 4001635 (1977-01-01), d'Auria et al.
patent: 4035061 (1977-07-01), Sheridon
patent: 4106848 (1978-08-01), Conwell et al.
patent: 4182553 (1980-01-01), Sheridon
Uberbacher, "Fiber Optic Illuminated Switch", IBM Tech. Discl. Bull., vol. 18, No. 2, Jul. 1975, p. 483.

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