Fixed value fiber optic attenuator

Details Fixed value fiber optic attenuator Fixed value fiber optic attenuator

1990-05-08

1992-04-28

Healy, Brian

Optical waveguides

Accessories

Attenuator

385 72, 385 73, 385 51, G02B 638

Patent

active

051094681

ABSTRACT:
A fiber optic attenuator having a predetermined, fixed attenuation value and low back reflection properties across a broad wavelength spectrum is disclosed. Attenuation is achieved by providing an optical fiber pathway having an attenuation region which causes a predetermined signal loss. The medium defining the pathway is of a substantially constant index of refraction through the device to minimize or eliminate interference caused by Fresnel reflections.

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Proceedings of the Society of Photo-Optical Instrumentation Engineers Seminar on "Fiber Optics Come of Age", vol. 31, San Mateo, Calif., U.S.A. (16-17), Oct. 1972, Jack B. Weilar, "Plastic Optical Fibers", pp. 3-11.

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