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Model for molecular absorption spectroscopy in the 1-100 Torr range in the presence of vibrational depletion - Applied to in and dry air
Thomas Hausmaninger, Weiguang Ma, Ove Axner
When molecules whose collision induced vibrational decay rates are small are probed by molecular absorption spectroscopic (MAS) techniques the absorption signal can, under certain…
High resolution ultra-sensitive trace gas detection by use of cavity-position-modulated sub-Doppler NICE-OHMS - Application to detection of acetylene in human breath
Gang Zhao, Thomas Hausmaninger, Florian M. Schmidt +2
A sensitive high resolution sub-Doppler detecting spectrometer, based on noise-immune cavity-enhanced optical heterodyne molecular spectrometry (NICE-OHMS), for trace gas detection…
Broadband calibration-free cavity-enhanced complex refractive index spectroscopy using a frequency comb
Alexandra C. Johansson, Lucile Rutkowski, Anna Filipsson +4
We present broadband cavity-enhanced complex refractive index spectroscopy (CE-CRIS), a technique for calibration-free determination of the complex refractive index of entire molec…