Measurement of 13CO2/12CO2 ratio using tunable diode laser based Raman spectroscopy and an atomic vapor filter

Claudia Navarro; Philip L. Varghese; Manfred Fink

doi:10.1364/LACEA.2002.ThC4

Laser Applications to Chemical and Environmental Analysis
OSA Trends in Optics and Photonics (Optica Publishing Group, 2002),
paper ThC4
•https://doi.org/10.1364/LACEA.2002.ThC4

Measurement of ¹³CO₂/¹²CO₂ ratio using tunable diode laser based Raman spectroscopy and an atomic vapor filter

Claudia Navarro, Philip L. Varghese, and Manfred Fink

Laser Applications to Chemical and Environmental Analysis 2002

Boulder, Colorado United States
ISBN: 1-55752-699-0

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Biological or Biomedical II (ThC)

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C. Navarro, P. L. Varghese, and M. Fink, "Measurement of 13CO2/12CO2 ratio using tunable diode laser based Raman spectroscopy and an atomic vapor filter," in Laser Applications to Chemical and Environmental Analysis, A. Sawchuk, ed., Vol. 69 of OSA Trends in Optics and Photonics (Optica Publishing Group, 2002), paper ThC4.

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Abstract

We describe a novel scheme for detecting the isotopic ratio (¹³C/¹²C) in gaseous carbon dioxide. Raman scattering is excited with a tunable near-infrared diode laser and isotopic discrimination is obtained with an atomic vapor filter.

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