Relative photodissociation cross-section of NaCs molecule, using argon ion laser lines

Autor:	Ashish Sharma, G L Bhale, M N Dixit
Rok vydání:	1986
Předmět:	Photon Materials science Photodissociation Analytical chemistry General Physics and Astronomy Argon ion laser Cross section (geometry) Metal visual_art visual_art.visual_art_medium Molecule Irradiation Atomic physics Line (formation)
Zdroj:	Pramana. 27:695-700
ISSN:	0973-7111 0304-4289
DOI:	10.1007/bf02845296
Popis:	Laser-induced photodissociation of NaCs molecule has been observed when a mixture of Na and Cs metal vapour in a glass cell was irradiated by most of the lines of an argon ion laser. The photodissociation results in the 3P state of Na atoms which is correlated with theF 1Σ+ and G1π molecular states of NaCs. Distribution of photofragments over fine structure components 32 P 3/2 and 32 P 1/2 of Na has been studied. The ratio of intensity ofD 2 line (5890 A) toD 1 line (5896 A) of Na varies from around 2 at 5145 A to about 3.5 at 4579 A. The relative photodissociation cross-section increases monotonically as the wave-length of laser light decreases from 5145 A to 4579 A. It is seen that the 4579 A photon is about 200 times more effective than the 5145 A photon in causing the photoreaction NaCs + (Ar+ photon) → Na*(3P) + Cs(6S).
Databáze:	OpenAIRE
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