Bulg. J. Phys. vol.23 no.1-2 (1996), pp. 073-078


Automated System for Transient Optical Absorption Measurements

I. Rusinov, A. Blagoev
Faculty of Physics, University of Sofia, 5 J. Bourchier Blvd, I I 64 Sofia. Bulgaria
Abstract. An automated system based on 16 bit PC for time varying optical absorption measurements is described. The increased efficiency is due to the two channel monitoring of the photomultiplier signal. The evolution of ground state magnesium atoms density in a hollow cathode afterglow plasma is recorded.

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