| Instrument: FPI : Fabry-Perot Interferometer |
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Related Data Sets View all records related to this instrument Description The Fabry-Perot Interferometer (FPI) makes use of multiple reflections between two closely spaced partially silvered surfaces. Part of the light is transmitted each time the light reaches the second surface, resulting in multiple offset beams which can interfere with each other. The large number of interfering rays produces an interferometer with extremely high resolution, somewhat like the multiple slits of a diffraction grating increase its resolution. Additional information available at http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/fabry.html [Summary provided by Hyper Physics] |
