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Effect of dc voltage on the laser optogalvanic spectrum of iodine molecule

โœ Scribed by A.K. Rai; S.B. Rai; S.N. Thakur; D.K. Rai

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
388 KB
Volume
138
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

The Doppler-limited laser optogalvanic spectrum of the B-X system of I2 molecule has been recorded in the 570-630 nm region. It is found that the discrete spectrum of the B-X system is superposed over a weak continuum extending throughout this region. Upon increasing the applied voltage, the signal corresponding to some of the discrete bands in the lower wavelength region changes sign (from positive to negative). The continuum signal in the region 570-605 nm changes from positive to negative while the other part is much less affected by a change of voltage. *' 'lT. is the repulsive state lying in this energy range. ** The purification of iodine was done by the sublimation method.

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