Application of a Fabry-Perot spectrometer to the measurement of spectral line shifts much smaller than line width

Details Application of a Fabry-Perot spectrometer to the measurement of spectral line shifts much smaller than line width Application of a Fabry-Perot spectrometer to the measurement of spectral line shifts much smaller than line width

Jan 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apopt..15...69d&link_type=abstract

Applied Optics, vol. 15, Jan. 1976, p. 69-72.

Physics

Optics

2

Fabry-Perot Spectrometers, Frequency Shift, Line Spectra, Spectral Resolution, Argon Plasma, Doppler Effect, Gratings (Spectra), Plasma Jets, Signal To Noise Ratios, Spectral Line Width, Velocity Measurement

Scientific paper

It is shown that the present method employing a Fabry-Perot spectrometer is significantly superior to existing methods using grating instruments of comparable size. The optimum choice of instrumental parameters is given. The method was employed to measure the flow velocity of an argon plasma jet via the Doppler effect of the 4158-A line. Results of these measurements are given.

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