Technische Universität Wien
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QCLs for the measurement of gases

In the area of gas sensing we work on novel photo-acoustic detection schemes including quartz enhanced photo-acoustic (QEPAS), stand-off open-path measurements using a portable QCL system and multipath Herriot cells for improved sensitivities. Detection limits in the low ppb range have been reached already (e.g. SO2 by QEPAS)


Harald Moser

Paul Waclawek

Stefan Lindner