Laser spectroscopic oxygen sensor using diffuse reflector based optical cell and advanced signal processing

@article{Chen2010LaserSO,
  title={Laser spectroscopic oxygen sensor using diffuse reflector based optical cell and advanced signal processing},
  author={Jia Bao Chen and Andreas Hangauer and Rainer Strzoda and Markus-Christian Amann},
  journal={Applied Physics B},
  year={2010},
  volume={100},
  pages={417-425}
}
In this paper, a VCSEL-based oxygen sensor applied for real-time combustion optimization in furnaces is presented. A diffuse reflector instead of a spherical mirror is used to avoid alignment problems during thermal cycles the sensor is exposed to in the in-situ measurement. In spite of the signal loss, this concept proves to be suitable for measurements in the exhaust of a gas furnace even if severe condensation at the optic surfaces occurs. The optic cell has a background level in the order… CONTINUE READING

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