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Title: Multi-pass cell-assisted photoacoustic/photothermal spectroscopy of gases using quantum cascade laser excitation and heterodyne interferometric signal detection

Journal Article · · Applied Physics. B, Lasers and Optics
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A heterodyne interferometer-based signal retrieval in photoacoustic/photothermal gas spectrometer using mid-infrared quantum cascade laser excitation is demonstrated. This new method for all-optical photoacoustic/photothermal signal detection allows for sensitivity enhancement using standard multi-pass cells, commonly used in absorption-based spectrometers. Two types of multi-pass cell are examined: a Herriott type with up to 33 passes and a White type with up to 46 passes. Good agreement between experimental results and numerical analysis is obtained.

Research Organization:
Princeton Univ., NJ (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
FE0029059
OSTI ID:
1432130
Alternate ID(s):
OSTI ID: 1545788
Journal Information:
Applied Physics. B, Lasers and Optics, Journal Name: Applied Physics. B, Lasers and Optics Vol. 124 Journal Issue: 5; ISSN 0946-2171
Publisher:
SpringerCopyright Statement
Country of Publication:
Germany
Language:
English
Citation Metrics:
Cited by: 26 works
Citation information provided by
Web of Science

References (15)

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Heterodyne interferometric signal retrieval in photoacoustic spectroscopy journal January 2018
Mid-infrared fiber-optic photothermal interferometry journal January 2017

Cited By (3)

Photothermal spectroscopy of CO 2 in an intracavity mode-locked fiber laser configuration journal January 2018
Quartz-tuning-fork enhanced photothermal spectroscopy for ultra-high sensitive trace gas detection journal January 2018
Integration of T-type half-open photoacoustic cell and fiber-optic acoustic sensor for trace gas detection journal January 2019

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