Title

Intracavity Laser Absorption Spectroscopy Using Mid-Ir Quantum Cascade Laser

Keywords

Fabry-Perot; Infrared; Intracavity; Quantum cascade laser; Spectroscopy

Abstract

Intracavity Laser Absorption Spectroscopy (ICLAS) at IR wavelengths offers an opportunity for spectral sensing with sufficient sensitivity to detect vapors of low vapor pressure compounds such as explosives. Reported here are key enabling technologies for this approach, including multi-mode external-cavity quantum cascade lasers and a scanning Fabry-Perot spectrometer to analyze the laser mode spectrum in the presence of a molecular intracavity absorber. Reported also is the design of a compact integrated data acquisition and control system. Applications include military and commercial sensing for threat compounds, chemical gases, biological aerosols, drugs, and banned or invasive plants or animals, bio-medical breath analysis, and terrestrial or planetary atmosphere science. © 2011 SPIE.

Publication Date

7-25-2011

Publication Title

Proceedings of SPIE - The International Society for Optical Engineering

Volume

8032

Number of Pages

-

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1117/12.883331

Socpus ID

79960517776 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/79960517776

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