Servo-Control Of Fabry-Perot Interferometers I-Technique

N K Reay; T R Hicks; P D Atherton

doi:10.1117/12.966119

9 January 1984 Servo-Control Of Fabry-Perot Interferometers I-Technique

N K Reay, T R Hicks, P D Atherton

Proceedings Volume 0445, Instrumentation in Astronomy V; (1984) https://doi.org/10.1117/12.966119
Event: 1983 Astronomy Conferences, 1983, London, United Kingdom

Abstract

We describe here the application of capacitance micrometry to the control of piezo scanned Fabry-Perot etalons using a closed loop feedback system. This system removes the problem of the non-linear response and hysteresis associated with piezo-electric transducers and allows precise control of both etalon gap and parallelism.

Citation Download Citation

N K Reay, T R Hicks, and P D Atherton "Servo-Control Of Fabry-Perot Interferometers I-Technique", Proc. SPIE 0445, Instrumentation in Astronomy V, (9 January 1984); https://doi.org/10.1117/12.966119

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