DETERMINATION OF COLLISION CROSS-SECTION BY DYNAMICAL ABSORPTION SATURATION IN OSO4

Authors
STOLL K HUBNER U KRAMER G
Citation
K. Stoll et al., DETERMINATION OF COLLISION CROSS-SECTION BY DYNAMICAL ABSORPTION SATURATION IN OSO4, Optics communications, 123(1-3), 1996, pp. 100-104
Citations number
11
Categorie Soggetti
Optics
Journal title
Optics communications → ACNP
ISSN journal
00304018
Volume
123
Issue
1-3
Year of publication
1996
Pages
100 - 104
Database
ISI
SICI code
0030-4018(1996)123:1-3<100:DOCCBD>2.0.ZU;2-B
Abstract
We investigated the saturation dynamics of the (OsO4)-Os-192-absorptio n line P(46)A(1)(2)he infrared nu(3)-band, induced by excitation with CO2-laser light, and determined the decay constant T-1 of the saturati on as a function of the OsO4 gas pressure. From the linear dependence of the relaxation rate T-1(-1) on the pressure we additionally determi ned the collision cross section sigma=6.6X10(-18) m(2) which is substa ntial for the evaluation of the pressure broadening of saturation dips in the saturation spectroscopy of OsO. m The method allows to measure the influence of collisions on homogeneous line widths, measured in s aturation exeriments.