E. Lewis

High resolution led-spectroscopy for sensor application in harsh environment

H. Ewald, M. Degner, H. Ewald, 2010, 2010 IEEE Instrumentation & Measurement Technology Conference Proceedings.

Real time exhaust gas sensor with high resolution for onboard sensing of harmful components

H. Ewald, M. Degner, H. Ewald, 2008, 2008 IEEE Sensors.

LED based spectroscopy - A low cost solution for high resolution concentration measurements e.g. for gas monitoring applications

H. Ewald, M. Degner, H. Ewald, 2011, 2011 Fifth International Conference on Sensing Technology.

UV LED-based fiber coupled optical sensor for detection of ozone in the ppm and ppb range

H. Ewald, S. O'Keeffe, M. Degner, 2009, 2009 IEEE Sensors.