3 papers
physics.ins-det2019
Experimental and numerical investigation of photoacoustic resonator for solid samples
Said El-Busaidy, Bernd Baumann, Marcus Wolff +2
The photoacoustic signal in a closed T-cell resonator is generated and measured using laser based photoacoustic spectroscopy. The signal is modelled using the amplitude mode expans…
physics.comp-ph2018
Photoacoustics Modelling using Amplitude Mode Expansion Method in a Multiscale T-cell Resonator
Said El-Busaidy, Bernd Baumann, Marcus Wolff +1
The photoacoustic (PA) effect consisting of the generation of an acoustic signal based on the absorption of light has already demonstrated its potential for various spectroscopic a…
physics.app-ph2017
High-Intensity Discharge Lamp and Duffing Oscillator - Similarities and Differences
Bernd Baumann, Joerg Schwieger, Ulrich Stein +2
The processes inside the arc tube of high-intensity discharge lamps are investigated by finite element simulations. The behavior of the gas mixture inside the arc tube is governed…