Special Stark modulator for use with PTFE coated electrodes (microwave spectroscopy)

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, , Citation J L Destombes et al 1975 J. Phys. E: Sci. Instrum. 8 383 DOI 10.1088/0022-3735/8/5/014

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1 Univ. Lille I, France

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0022-3735/8/5/383

Abstract

When using PTFE coated electrodes in microwave spectroscopy of free radicals, voltage fluctuations due to accumulation of electric charges appear. A special Stark modulator has been used to avoid these spurious features. With this device the high voltage is alternately applied to each electrode so that the direction of the modulation electric field changes at every period.

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10.1088/0022-3735/8/5/014