Abstract
We demonstrate an innovative approach for a mid-IR gas sensing spectroscopy with a cost-effective commercial Fabry-Perot cavity quantum cascade laser. Using transient blue-chirped emission of such a laser, the spectral fingerprint of methane at 8.15µm was clearly observed in absorption.
Publication Reference
EUROPEAN SEMICONDUCTOR LASER WORKSHOP 2022 (ESLW 2022), Neuchâtel (Switzerland)
Year
2022-09-16
