Parallelism controller for a scanning Fabry–Perot
- 1 April 1976
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 47 (4), 493-495
- https://doi.org/10.1063/1.1134661
Abstract
A controlling unit has been developed to bring the plates of a piezoelectrically scanned Fabry–Perot into parallelism, and keep them parallel for long periods. Using feedback from the transmitted signal with repeated scans stored in a multichannel analyzer, spectra of several hours duration may be obtained. The controller is directly compatible with a commercial ramp generator and has a total materials cost of $300.Keywords
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