- Detection of molecular oxygen at low concentrations using quartz enhanced photoacoustic spectroscopyAndreas Pohlkötter
Clausthal University of Technology, Institute for Energy Research and Physical Technology, Energy Campus, Am Stollen 19, 38640 Goslar, Germany
Sensors (Basel) 10:8466-77. 2010..Further improvement of the detection limit is possible by adding suitable gases to the sample gas that promote the radiationless de-excitation of the oxygen molecules...
- Resonant tuning fork detector for electromagnetic radiationAndreas Pohlkötter
LaserApplicationCenter, Clausthal University of Technology, Am Stollen 19 Haus 3, 38640 Goslar, Germany
Appl Opt 48:B119-25. 2009..Examples for applications for the visible and mid-infrared spectral region are given by 2f and absorption spectroscopy of oxygen and nitric oxide, respectively...
- Resonant tuning fork detector for THz radiationUlrike Willer
Clausthal University of Technology, LaserApplicationCenter, Am Stollen 19 Haus3, 38640 Goslar, Germany
Opt Express 17:14069-74. 2009..The mechanism is based on the resonant excitation of a quartz tuning fork...