Hollow-waveguide-based carbon dioxide sensor for capnography

被引：15

作者：

Xiong, Bo ^{[1
]}

Du, Zhenhui ^{[1
]}

Liu, Lin ^{[1
]}

Zhang, Zheyuan ^{[1
]}

Li, Jinyi ^{[2
]}

Cai, Qiling ^{[3
]}

机构：

[1] Tianjin Univ, State Key Lab Precis Measuring Technol & Instrume, Tianjin 300072, Peoples R China

[2] Tianjin Polytech Univ, Sch Elect Engn & Automat, Tianjin 300387, Peoples R China

[3] Tianjin Nankai Hosp, Tianjin 300100, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2015年 / 13卷 / 11期

关键词：

Compendex;

D O I：

10.3788/COL201513.111201

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A CO2 sensor for capnography, based on a hollow waveguide (HWG) and tunable diode laser absorption spectroscopy (TDLAS), is presented; the sensor uses direct absorption spectroscopy and requires neither frequent calibration nor optical filters, giving it a significant advantage over existing techniques. Because of the HWG, the CO2 measurement achieved a concentration resolution of 60 ppm at a measurement rate of 25 Hz, as characterized by Allan variance. The length of the HWG was selected to efficiently suppress the optical fringes. This setup is perfectly suited for the detection of CO2 by capnography, and shows promise for the potential detection of other breath gases.

引用

页数：4

共 18 条

[1] Low-level and ultralow-volume hollow waveguide based carbon monoxide sensora [J].

Chen, Jia ;

Hangauer, Andreas ;

Strzoda, Rainer ;

Fleischer, Maximilian ;

Amann, Markus-Christian .

OPTICS LETTERS, 2010, 35 (21) :3577-3579

[2] A REVIEW OF PEDIATRIC CAPNOGRAPHY [J].

Eipe, Naveen ;

Doherty, Dermot R. .

JOURNAL OF CLINICAL MONITORING AND COMPUTING, 2010, 24 (04) :261-268

[3] CO2 sensor for mainstream capnography based on TDLAS [J].

Hartmann, A. ;

Strzoda, R. ;

Schrobenhauser, R. ;

Weigel, R. .

APPLIED PHYSICS B-LASERS AND OPTICS, 2014, 116 (04) :1023-1026

[4] Ultra-compact TDLAS humidity measurement cell with advanced signal processing [J].

Hartmann, A. ;

Strzoda, R. ;

Schrobenhauser, R. ;

Weigel, R. .

APPLIED PHYSICS B-LASERS AND OPTICS, 2014, 115 (02) :263-268

[5]

Jaffe MB, 2011, CAPNOGRAPHY, 2ND EDITION, pXIII

[6] Potential and Challenges for Mid-Infrared Sensors in Breath Diagnostics [J].

Kim, Seong-Soo ;

Young, Christina ;

Vidakovic, Brani ;

Gabram-Mendola, Sheryl G. A. ;

Bayer, Charlene W. ;

Mizaikoff, Boris .

IEEE SENSORS JOURNAL, 2010, 10 (01) :145-158

[7] Optical heterodyne Herriott-type multipass laser absorption spectrometer [J].

Li, Chuanliang ;

Liu, Lulu ;

Qiu, Xuanbing ;

Wei, Jilin ;

Deng, Lunhua ;

Chen, Yangqin .

CHINESE OPTICS LETTERS, 2015, 13 (01)

[8]

Li J., 2012, ACTA OPT SINICA, V32

[9] Wavelength modulation spectroscopy based on quasi-continuous-wave diode lasers [J].

Qi, Rubin ;

Du, Zhenhui ;

Gao, Dongyu ;

Li, Jinyi ;

Xu, Kexin .

CHINESE OPTICS LETTERS, 2012, 10 (03)

[10] 2ND-HARMONIC DETECTION WITH TUNABLE DIODE-LASERS - COMPARISON OF EXPERIMENT AND THEORY [J].

REID, J ;

LABRIE, D .

APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY, 1981, 26 (03) :203-210

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