358 citations
- Danish National Metrology InstituteDK7 papers
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Showing 2016Show all
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physics.ins-det2016★ 8 cited
All-Optical Detection of Acoustic Pressure Waves with applications in Photo-Acoustic Spectroscopy
Philip G. Westergaard, Mikael Lassen
An all-optical detection method for the detection of acoustic pressure waves is demonstrated. The detection system is based on a stripped (bare) single-mode fiber. The fiber vibrat…
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…