Recent Developments in Modulation Spectroscopy for Methane Detection Based on Tunable Diode Laser

In this review, methane absorption characteristics mainly in the near-infrared region and typical types of currently available semiconductor lasers are described. Wavelength modulation spectroscopy (WMS), frequency modulation spectroscopy (FMS), and two-tone frequency modulation spectroscopy (TTFMS)...

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Detalles Bibliográficos
Autores principales: Fei Wang, Shuhai Jia, Yonglin Wang, Zhenhua Tang
Formato: Artículo
Lenguaje:English
Publicado: MDPI AG 2019-07-01
Colección:Applied Sciences
Materias:
Acceso en línea:https://www.mdpi.com/2076-3417/9/14/2816
Descripción
Sumario:In this review, methane absorption characteristics mainly in the near-infrared region and typical types of currently available semiconductor lasers are described. Wavelength modulation spectroscopy (WMS), frequency modulation spectroscopy (FMS), and two-tone frequency modulation spectroscopy (TTFMS), as major techniques in modulation spectroscopy, are presented in combination with the application of methane detection.
ISSN:2076-3417