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Padma, S. V. N.
- Cavity Ring Down Spectroscopy:A Review
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1 Department of Pharmaceutical Analysis, Hindu College of Pharmacy, Amaravathi Road, Guntur, IN
1 Department of Pharmaceutical Analysis, Hindu College of Pharmacy, Amaravathi Road, Guntur, IN
Source
Asian Journal of Research in Chemistry, Vol 3, No 1 (2010), Pagination: 4-8Abstract
Over the past decade, cavity ring down spectroscopy has emerged as a powerful technique for performing direct absorption measurements using pulsed lasers. Cavity ring down spectroscopy has since been used from the ultraviolet to the mid-infrared. It is a direct absorption technique, which can be performed with pulsed or continuous light sources and has a significantly higher sensitivity than obtainable in conventional absorption spectroscopy. It can be used to measure the concentration of some light-absorbing substances. Typically, the substances to be measured are in gaseous form. This technique is most widely known as cavity ring-down spectroscopy, although the alternative, but more cumbersome, cavity ring-down laser absorption spectroscopy is preferred by some authors. Here we discuss about the experimental implementation of Cavity ring down spectroscopy and its application to a number of areas of research including laser diagnostics of hostile environments, reaction kinetics and spectroscopy, with particular emphasis on our ongoing studies of the fast (sub-nanosecond) pre dissociation of electronically excited states of small molecules and radicals.Keywords
Cavity Ring Down Spectroscopy, Absorption Spectroscopy.- Determination of Entacapone in Pharmaceutical Preparations by Liquid Chromatography
Abstract Views :175 |
PDF Views:0
Authors
Affiliations
1 Hindu College of Pharmacy, Amaravathi Road, Guntur-522002, IN
1 Hindu College of Pharmacy, Amaravathi Road, Guntur-522002, IN