Real time ammonia detection in exhaled human breath with a quantum cascade laser based sensor

Author

Lewicki, Rafal ; Kosterev, Anatoliy A. ; Bakhirkin, Yury A. ; Thomazy, David M. ; Doty, Jim ; Dong, Lei ; Tittel, Frank K. ; Risby, Terence H. ; Solga, Steven ; Kane, Deborah ; Day, Timothy

Author_Institution

Dept. of Electr. & Comput. Eng., Rice Univ., Houston, TX, USA

fYear

2009

fDate

2-4 June 2009

Firstpage

1

Lastpage

2

Abstract

Quantum cascade laser based breath sensor platform for medical applications employing a quartz-enhanced photoacoustic spectroscopy technique is reported. The detection sensitivity for exhaled ammonia is at <10 ppbv level with 1 s time resolution.

Keywords

ammonia; bioacoustics; chemical sensors; laser applications in medicine; measurement by laser beam; optical sensors; photoacoustic spectroscopy; pneumodynamics; quantum cascade lasers; quartz; NH₃; SiO₂; detection sensitivity; exhaled human breath; quantum cascade laser-based sensor; quartz-enhanced photoacoustic spectroscopy; real-time ammonia detection; time resolution; Biomedical optical imaging; Frequency; Humans; Laser tuning; Medical diagnostic imaging; Optical sensors; Quantum cascade lasers; Quantum computing; Quantum dot lasers; Spectroscopy; (140.5965) Semiconductor lasers, quantum cascade; (170.4580) Optical diagnostics for medicine; (300.6360) Spectroscopy, laser;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on

Conference_Location

Baltimore, MD

Print_ISBN

978-1-55752-869-8

Electronic_ISBN

978-1-55752-869-8

Type

conf

Filename

5224566