Optoelectronic feedback control for a spectrometer

Details Optoelectronic feedback control for a spectrometer Optoelectronic feedback control for a spectrometer

1979-09-28

1981-03-17

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

250205, 315151, 315158, G01N 2168

Patent

active

042564042

ABSTRACT:
Long-term stability for an emission type plasma spectrometer is provided by automatically adjusting the output of a power supply which is being utilized to create the plasma. The automatic adjustment is based on a feedback signal which is derived by monitoring an atomic line of a carrier gas.

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Durrant et al., Laboratory Equipment Digest, vol. 11, _No. 4, Apr. 1973, pp. 156-160.
Censidine, Encyclopedia of Instrumentation and Control, _McGraw-Hill Book Co., pp. 276-280, 1971.

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