In Fabry–Perot interferometry a large fraction of light can be reflected by the etalon; thus, it is lost for spectroscopic purposes. The present article shows the possibility of recovering this light, collecting it by means of reflectors and sending it back to the etalon under a different angle. Some devices are examined and some experimental proofs of the device are reported. The gain achieved is of the order of five.
© 1967 Optical Society of America
Original Manuscript: July 27, 1966
Published: March 1, 1967
U. Ascoli-Bartoli, G. Benedetti-Michelangeli, and F. DeMarco, "An Improvement in Fabry–Perot Spectrometry," Appl. Opt. 6, 467-470 (1967)
Rept. Progr. Phys.
- P. Jacquinot, Rept. Progr. Phys. 23, 268 (1960). [CrossRef]
- J. M. Burch in Quantum Electronics III, N. Bloembergen, P. Grivet, Eds. (Columbia University Press, New York, 1965), Vol. 2, p. 1187.
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