Vibrational Relaxation of the 2v5 Overtone of CDCl3 Highly Excited by a Tea CO2 Laser. Issue 1 (1994)

• Record Type: Journal Article
• Authors: Vazquez, M. A.; AzcáRate, M. L.; Quel, E. J.; Doyennette, L.; Rinaldi, C.; Ferrero, J. C.; (Citefa-Conicet), Ceilap
• Is Part Of: Laser chemistry. Volume 15:Issue 1(1994)
• Page Start: 61
• Page End: 69
• Publication Date: 1994
• Subjects: Vibrational Relaxation -- IR Fluorescence -- Laser; Lasers in chemistry -- Periodicals; 542.8
• DOI: 10.1155/1994/39545
• Languages: English
• ISSNs: 0278-6273

Abstract

Abstract : A homemade TEA CO2 laser tuned to the 1OP(48) line, 10.91 μm, was used to excite thev 4 mode of CDCl3 (914 cm -1 ). The IR fluorescence signal from the CDCl3 2 v 5 overtone band (1492 cm -1 ) was isolated by means of a gaseous filter. The temporal variation of this fluorescence emission was studied as a function of the laser fluence. Under high excitation conditions, non-linear effects become obvious, and measured rate constants greater than predicted from linear kinetic rate equations have been found.