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Type: Journal article
Title: Number-density measurements of CO₂ in real time with an optical frequency comb for high accuracy and precision
Other Titles: Number-density measurements of CO(2) in real time with an optical frequency comb for high accuracy and precision
Author: Scholten, S.
Perrella, C.
Anstie, J.
White, R.
Al-Ashwal, W.
Hebert, N.
Genest, J.
Luiten, A.
Citation: Physical Review Applied, 2018; 9(5):054043-1-054043-8
Publisher: American Physical Society
Issue Date: 2018
ISSN: 2331-7019
Statement of
Sarah K. Scholten, Christopher Perrella, James D. Anstie, Richard T. White, Waddah Al-Ashwal, Nicolas Bourbeau Hébert, Jérôme Genest, and Andre N. Luiten
Abstract: Real-time and accurate measurements of gas properties are highly desirable for numerous real-world applications. Here, we use an optical-frequency comb to demonstrate absolute number-density and temperature measurements of a sample gas with state-of-the-art precision and accuracy. The technique is demonstrated by measuring the number density of ¹²C¹⁶O₂ with an accuracy of better than 1% and a precision of 0.04% in a measurement and analysis cycle of less than 1 s. This technique is transferable to numerous molecular species, thus offering an avenue for near-universal gas concentration measurements.
Description: Published 29 May 2018
Rights: © 2018 American Physical Society
RMID: 0030090560
DOI: 10.1103/PhysRevApplied.9.054043
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Appears in Collections:IPAS publications

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