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physics.ins-det2016★ 19 cited
Photo-acoustic sensor for detection of oil contamination in compressed air systems
Mikael Lassen, David Baslev Harder, Anders Brusch +4
We demonstrate an online (in-situ) sensor for continuous detection of oil contamination in compressed air systems complying with the ISO-8573 standard. The sensor is based on the p…
physics.ins-det2016★ 48 cited
Off-axis QEPAS using a pulsed nanosecond Mid-Infrared Optical Parametric Oscillator
Mikael Lassen, Laurent Lamard, Yuyang Feng +2
A trace gas sensor, based on quartz-enhanced photoacoustic spectroscopy (QEPAS), consisting of two acoustically coupled micro-resonators (mR) with an off-axis 20 kHz quartz tuning…