Quantum Cascade laser is coupled into Hollow Waveguide as an inline sensor after GC separation. We show the sensor has high ppbV sensitivity for carbon and other species, yet maintaining the GC peaks.
© 2008 Optical Society of America
A. Deev, S. Wu, and Y. Tang, "Hollow Waveguide as an Online Microliter Spectroscopy Sensor for Gas Chromatography," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CMJJ4.
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