Author:
Chin S.,Denis S.,Zaen J.V.,Muntané E.,Khodabakhsh A.,Harren F. J. M.,Bowen P.,Schröder S.,Martin H.,Lecomte S.,Balet L.
Abstract
We present a digital platform-based lock-in detection scheme to improve the gas sensing performance of a spectrometer. A numerically-controlled oscillator serves as reference clock to trigger the supercontinuum source and to demodulate the detector signal.