Multi-mode absorption spectroscopy using a quantum cascade laser for simultaneous detection of NO and H2O

作者：O'Hagan S; Pinto T; Ewart P^*; Ritchie G A D

来源：Applied Physics B: Lasers and Optics , 2016, 122(8): 226.

DOI：10.1007/s00340-016-6499-4

Detection of multiple transitions in NO and H2O using multi-mode absorption spectroscopy, MUMAS, with a quantum cascade laser, QCL, operating at 5.3 mu m at scan rates up to 10 kHz is reported. The linewidth of longitudinal modes of the QCL is derived from pressure-dependent fits to experimental MUMAS data. Variations in the spectral structure of the broadband, multi-mode, output of the commercially available QCL employed are analysed to provide accurate fits of modelled MUMAS signatures to the experimental data.

• 出版日期2016-8