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|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|
|Citation:||Physical Review Applied, 2018; 9(5):054043-1-054043-8|
|Publisher:||American Physical Society|
|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|
|Appears in Collections:||IPAS publications|
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