The photoemission optogalvanic effect in a Ne-Nd hollow cathode

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The photoemission optogalvanic effect in a Ne-Nd hollow cathode

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Title: The photoemission optogalvanic effect in a Ne-Nd hollow cathode
Author: Sasi Kumar, P R; V P N Nampoori; Vallabhan, C P G
Abstract: Laser-induced photoelectric and photoemission optogalvanic effects in a Ne-Nd hollow cathode discharge have been studied using a continuous wave laser source. The potential barrier for photoinduced electron emission from the cathode decreases as the applied voltage is increased. Owing to secondary electron emission in the plasma, the photocurrent is greater than that without discharge. The multiplication of secondary electrons and the quantum efficiency are also investigated.
URI: http://dyuthi.cusat.ac.in/purl/2579
Date: 1994


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