Sensitive Spectroscopy of Acetone Using a Widely Tunable External-Cavity Quantum Cascade Laser

Sensitive Spectroscopy of Acetone Using a Widely Tunable External-Cavity Quantum Cascade Laser

We employed a single-mode, widely tunable (~300 cm−1) external-cavity quantum cascade laser operating around 8 µm for broadband direct absorption spectroscopy and wavelength modulation spectroscopy where a modulation frequency of 50 kHz was employed with high modulation amplitude...

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Bibliographic Details
Main Authors: Faisal Nadeem, Julien Mandon, Amir Khodabakhsh, Simona M. Cristescu, Frans J. M. Harren
Format: Article
Language:English
Published: MDPI AG 2018-06-01
Series:Sensors
Subjects:
laser sensors
infrared spectroscopy
semiconductor lasers
quantum cascade lasers
wavelength modulation spectroscopy
optical instruments
Online Access:http://www.mdpi.com/1424-8220/18/7/2050

Internet

http://www.mdpi.com/1424-8220/18/7/2050

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