Title :
Mid-IR laser-spectroscopic determination of isotope ratios at trace levels
Author :
Waechter, Helen ; Sigrist, Markus W.
Author_Institution :
ETH Zurich, Zurich
Abstract :
Isotopic compositions of trace gases yield important information about their origin and can be used for process identification or as tracer. Our project focuses on high precision laser measurements of isotopic ratios of gases at trace concentrations, particularly of N2O, CO and CO2 isotopomers at ppm levels.
Keywords :
carbon compounds; chemical variables measurement; infrared spectroscopy; isomerism; isotope effects; measurement by laser beam; nitrogen compounds; spectrochemical analysis; CO; CO2; N2O; high precision laser measurements; isotope ratios; isotopic compositions; mid-IR laser-spectroscopic determination; trace concentrations; trace gases; Absorption; Gas detectors; Gas lasers; Gases; Isotopes; Laser tuning; Length measurement; Pump lasers; Surface emitting lasers; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics, 2007 and the International Quantum Electronics Conference. CLEOE-IQEC 2007. European Conference on
Conference_Location :
Munich
Print_ISBN :
978-1-4244-0931-0
Electronic_ISBN :
978-1-4244-0931-0
DOI :
10.1109/CLEOE-IQEC.2007.4386407
