Quantum cascade laser-based wavelength modulation spectroscopy
Source
Optics Infobase Conference Papers
Date Issued
2020-10-24
Author(s)
Abstract
A new calibration-free 1f and 2f wavelength modulation spectroscopy technique is demonstrated on a quantum cascade laser to measure ambient CO and CO<inf>2</inf>. The method is robust, highly sensitive and usable in congested spectral regions.