Photoacoustic Techniques for Trace Gas Sensing Based on Semiconductor Laser Sources
Open Access
- 1 December 2009
- Vol. 9 (12), 9616-9628
- https://doi.org/10.3390/s91209616
Abstract
The paper provides an overview on the use of photoacoustic sensors based on semiconductor laser sources for the detection of trace gases. We review the results obtained using standard, differential and quartz enhanced photoacoustic techniques.Keywords
This publication has 54 references indexed in Scilit:
- Optical and Electronic NOx Sensors for Applications in MechatronicsSensors, 2009
- Quantum Cascade Laser-Based Photoacoustic Sensor for Trace Detection of Formaldehyde GasSensors, 2009
- Continuous wave optical parametric oscillator for quartz-enhanced photoacoustic trace gas sensingApplied Physics B Laser and Optics, 2007
- Sub-parts-per-billion level detection of NO 2 using room-temperature quantum cascade lasersProceedings of the National Academy of Sciences of the United States of America, 2006
- Wavelength modulation photoacoustic spectroscopy: Theoretical description and experimental resultsInfrared Physics & Technology, 2005
- Broadband tuning of external cavity bound-to-continuum quantum-cascade lasersApplied Physics Letters, 2004
- Application of acoustic resonators in photoacoustic trace gas analysis and metrologyReview of Scientific Instruments, 2001
- Single-mode tunable, pulsed, and continuous wave quantum-cascade distributed feedback lasers at λ≅4.6–4.7 μmApplied Physics Letters, 2000
- Geometrical optimization of a longitudinal resonant photoacoustic cell for sensitive and fast trace gas detectionReview of Scientific Instruments, 1996
- Optoacoustic trace-gas monitoring with near-infrared diode lasersApplied Optics, 1994