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Optical train for measuring angle or position with transmission by intrinsically linear and referenced optical fibers using one or more light sources
Optical train for measuring angle or position with transmission by intrinsically linear and referenced optical fibers using one or more light sources
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机译:使用一个或多个光源通过固有的线性和参考光纤传输来测量角度或位置并进行传输的光学系统
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摘要
A referenced optical chain for measuring angle or position, using transmission by optical fibers. The device comprises a measuring head (29) receiving two light waves transported by a supply optical fiber (28); at the measuring head (29), the incident light beams are collimated (33) then intercepted by an assembly comprising a fixed diaphragm (34) and a movable filter (35) intercepting one of the two light waves; this assembly constitutes the measuring system itself; the resultant light signals are then refocussed and coupled to an optical return fiber which transports the signals toward a photodetector. The measurement is linear and the measuring chain is referenced in all of the embodiments of the invention. The device may be used in any application which requires a measurement of angle or position.
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