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Proceedings Paper

Latest improvements in field deployable compound specific isotope analyzer based on quantum cascade lasers and hollow waveguide
Author(s): Sheng Wu; Andrei Deev
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Paper Abstract

In our development of a field deployable infrared isotope ratio spectrometer (IR2) for compound specific isotope analysis (CSIA), the IR2‘s accuracy and stability have reached a stage that small fractionation in reference gas pulses generated as standard are observed easily and repeatedly. Such fine fractionation is often difficult to observe in regular Isotope Ratio Mass Spectrometer (IRMS) due to instrument drift on the order of 10s of minutes. After careful design of reference pulse sequences and long period of data collection, such fractionations are also verified in a commercial continuous flow CSIA-IRMS. Implications of the fractionation and observation process are discussed.

Paper Details

Date Published: 31 January 2014
PDF: 8 pages
Proc. SPIE 8993, Quantum Sensing and Nanophotonic Devices XI, 89931W (31 January 2014); doi: 10.1117/12.2041110
Show Author Affiliations
Sheng Wu, Power Energy and Environmental Research Institute (United States)
Andrei Deev, Power Energy and Environmental Research Institute (United States)

Published in SPIE Proceedings Vol. 8993:
Quantum Sensing and Nanophotonic Devices XI
Manijeh Razeghi; Eric Tournié; Gail J. Brown, Editor(s)

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