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Fiber optic position sensor.

MICRONOR INC., NEWBURY PARK, CALIF. The MR330 position sensor is an all-optical design immune to electromagnetic interference such as lightning, radiation, magnetic fields, and other environmental influences. The fiber optic aspect of the sensor also makes it suited for long-distance position sensing without being affected by ground loop problems. The position sensor uses a novel optical technique embedded in a passive sensor and active controller connected by a duplex fiber optic link. The controller transmits a burst of light to the code disk in the sensor which accurately modulates the spectral components of the light based on angular position. The position information is imprinted in the optical spectrum of the light and guided back to the controller for a precise position readout. The sensor requires no electrical power and houses no electronic components.



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Title Annotation:NEW PRODUCTS
Publication:Mechanical Engineering-CIME
Date:Nov 1, 2011
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