Long wavelength mid-infrared multi-gases spectroscopy using tunable single-mode slot waveguide quantum cascade laser

Y Jin, F Sun, J Li, CS Tan, KH Tan, S Wicaksono… - Optics …, 2023 - opg.optica.org
Single-mode tunable quantum cascade lasers (QCLs) are promising for high-resolution and
highly sensitive trace gases sensing across the mid-infrared (MIR) region. We report on the …

Distributed feedback quantum cascade lasers at 13.8 μm on indium phosphide

P Fuchs, J Semmel, J Friedl, S Höfling, J Koeth… - Applied Physics …, 2011 - pubs.aip.org
We report on the growth, processing, and characterization of distributed feedback quantum
cascade lasers emitting in single mode at 13.8 μ m⁠. Lasers were grown in the indium …

Sensitive detection of acetylene by second derivative spectra with tunable diode laser absorption spectroscopy

H Deng, J Sun, P Li, Y Liu, B Yu, J Li - Optica Applicata, 2016 - yadda.icm.edu.pl
A tunable diode laser absorption spectrometer was developed for trace acetylene gas
analysis, the system performance was evaluated by combing an appropriate digital signal …

Monolithische Quantenkaskadenlaser mit monomodiger und weit abstimmbarer Emission

P Fuchs - 2014 - opus.bibliothek.uni-wuerzburg.de
Ausgehend von mittels Molekularstrahlepitaxie im InGaAs/InAlAs/InP Materialsystem
gewachsenen Lasermedien wurden monochromatische Quantenkaskadenlaser für die …

Spectroscopy inside the cavity of a two mode laser

B Scherer - 2013 - publica.fraunhofer.de
In this thesis, a spectroscopic technique is presented to enhance the sensitivity of absorption
measurements by placing the absorbing analyte inside the cavity of a two mode laser. If only …