NASA NTRS · 20120007620
Electro-Optic Segment-Segment Sensors for Radio and Optical Telescopes
Abstract
A document discusses an electro-optic sensor that consists of a collimator, attached to one segment, and a quad diode, attached to an adjacent segment. Relative segment-segment motion causes the beam from the collimator to move across the quad diode, thus generating a measureable electric signal. This sensor type, which is relatively inexpensive, can be configured as an edge sensor, or as a remote segment-segment motion sensor.
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Abramovici, Alex. 2012-03-01. Electro-Optic Segment-Segment Sensors for Radio and Optical Telescopes. https://ntrs.nasa.gov/citations/20120007620
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