External-cavity diode laser spectrometer for measuring the concentration ratio 13CO2/12CO2 by absorptionin the range of 1.6 μm

被引：3
|
作者：
Zaytsev, A. A. [1 ,2 ]
Nikolaev, I. V. [1 ]
Ochkin, V. N. [1 ]
Tskhai, S. N. [1 ]
机构：
[1] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
[2] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia
来源：
QUANTUM ELECTRONICS | 2015年 / 45卷 / 07期
基金：
俄罗斯基础研究基金会;
关键词：
ratio of isotope concentrations; diode laser; cavity; absorption spectroscopy; ISOTOPE RATIO; CO2;
D O I：
10.1070/QE2015v045n07ABEH015812
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The method for determining the carbon isotopic ratio from CO2 absorption spectra in the optical cavity containing atmospheric air with the natural contents of carbon dioxide similar to 0.03 % is described. The measurements are performed at atmospheric pressure in the conditions of overlapping absorption lines. The measurement accuracy is 0.3 %.
引用
收藏
页码：680 / 684
页数：5
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