Calibration-Free WMS Using a cw-DFB-QCL, a VCSEL, and an Edge-Emitting DFB Laser With In-Situ Real-Time Laser Parameter Characterization

This paper presents a detailed experimental wavelength modulation spectroscopy approach and demonstrates its applicability to various types of semiconductor lasers in the near infrared and mid-infrared. A 5250 nm continuous-wave distributed feedback quantum cascade laser, a 2004 nm vertical cavity s...

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Veröffentlicht in:	IEEE photonics journal 2017-04, Vol.9 (2), p.1-17
Hauptverfasser:	Upadhyay, Abhishek, Wilson, David, Lengden, Michael, Chakraborty, Arup L., Stewart, George, Johnstone, Walter
Format:	Artikel
Sprache:	eng
Schlagworte:	absorption spectroscopy Calibration-free gas measurement continuous wave distributed feedback quantum cascade laser (cw-DFB-QCL) Distributed feedback devices Frequency modulation Gas lasers Harmonic analysis Measurement by laser beam tunable diode laser absorption spectroscopy (TDLAS) Vertical cavity surface emitting lasers wavelength modulation spectroscopy
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