Electronic Autocollimators

Thomas H. Thurston

doi:10.1117/12.959449

31 December 1980 Electronic Autocollimators

Thomas H. Thurston

Proceedings Volume 0251, Optical Alignment I; (1980) https://doi.org/10.1117/12.959449
Event: 24th Annual Technical Symposium, 1980, San Diego, United States

Abstract

An autocollimator is an optical instrument which uses its own collimated light to detect small angular displacements of a mirror. Electronic autocollimators provide a continuous output voltage, the sign and amplitude of which are proportional to the mirror displacement. Design and performance considerations of electronic autocollimators are discussed with emphasis on internal and external noise, the trade-off between bandwidth and sensitivity, selection of light sources, and uses. Included is a review of the different types of autocollimators and the criteria for selection of accessories.

Citation Download Citation

Thomas H. Thurston "Electronic Autocollimators", Proc. SPIE 0251, Optical Alignment I, (31 December 1980); https://doi.org/10.1117/12.959449

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