Abstract
An analytical expression for the response of a complete Fabry–Perot photoelectric spectrometer to a line profile is derived. The case of a doppler-broadened Lorentzian profile examined by a spectrometer comprised of an etalon of variable thickness and reflectivity, with surface defects consisting of spherical curvature, as well as microscopic flatness imperfections, a finite exploring slit in front of the photodetector, limiting circuits is considered. Some of the properties and uses of the expression obtained and bandwidth are discussed.
© 1966 Optical Society of America
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