Optical-feedback cavity-enhanced absorption: a compact spectrometer for...

Romanini, D., M. Chenevier, S. Kassi, M. Schmidt, C. Valant, M. Ramonet, J. P. Lopez, and H. Jost (2006), Optical-feedback cavity-enhanced absorption: a compact spectrometer for real-time measurement of atmospheric methane, Applied Physics B: Lasers and Optics, 83, 659-667, doi:10.1007/s00340-006-2177-2.
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