An all solid-state narrow bandwidth optical parametric oscillator and its applications to the high resolution spectroscopy of free radicals

Chekhlov, O. V., Fitzpatrick, J. A. J., Rosser, K. N., Western, C. M. and Ashworth, S. H. ORCID: https://orcid.org/0000-0003-4213-3541 (2002) An all solid-state narrow bandwidth optical parametric oscillator and its applications to the high resolution spectroscopy of free radicals. Journal of Modern Optics, 49 (5). pp. 865-876. ISSN 0950-0340

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Abstract

The paper describes the design, performance and illustrative spectroscopic applications of a high power, pulsed, injection seeded, narrow bandwidth and continuously tuneable optical parametric oscillator (OPO) based on two β-barium borate (BBO) nonlinear crystals. A ring cavity OPO was injection seeded with an external cavity diode laser in the spectral range 755–855 nm. The OPO generated high power transform limited nanosecond light pulses in this range and, simultaneously, at 606–667 nm. Spectral parameters of the OPO were investigated as a function of pump power for two different cavity lengths. A bandwidth of ∼120 MHz (0.004 cm-1) in the visible has been achieved with a 40-cm-long cavity. The potential of the OPO system is demonstrated by recording high resolution sub-Doppler spectra in the UV of PF and C3 radicals in a pulsed supersonic jet expansion.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Chemistry
UEA Research Groups:	Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017) Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences
Depositing User:	Rachel Smith
Date Deposited:	18 Apr 2011 10:13
Last Modified:	15 Dec 2022 01:38
URI:	https://ueaeprints.uea.ac.uk/id/eprint/29517
DOI:	10.1080/09500340110109430

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