Multiplex Fabry–Perot interferometer: II Laboratory prototype
- 20 August 1995
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 34 (24) , 5268-5277
- https://doi.org/10.1364/ao.34.005268
Abstract
The Multiplex Fabry–Perot interferometer (MFPI) consists of a Fabry–Perot interferometer in which the étalon plate separation is changed over a large optical distance. Fourier transformation of the resultant interferogram allows one to treat the multiple reflections within the étalon cavity in a manner analogous to an array of Michelson-type interferometers. However, the scan distance required by the MFPI is much less than for a comparable Michelson. The design and construction of the MFPI are described. Solar absorption spectra measured with this instrument are compared with results from the FASCODE atmospheric model.Keywords
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