Photothermal gas detection with a dithered low-finesse fiber-optic Fabry-Pérot interferometer

C Yao, S Jiang, S Gao, Y Wang, W Jin… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Pump-probe photothermal spectroscopy has been recently proposed for sensitive gas
detection. The probe laser wavelength was usually locked at the quadrature point of an …