Advanced gas sensors based on substrate-integrated hollow waveguides and dual-color ring quantum cascade lasers

Erhan Tütüncü, Vjekoslav Kokoric, Rolf Szedlak, Donald MacFarland, Tobias Zederbauer, Hermann Detz, Aaron Maxwell Andrews, Werner Schrenk, Gottfried Strasser, Boris Mizaikoff
2016 The Analyst  
The first combination of a ring-shaped vertically emitting quantum cascade laser (riQCL) with a substrate-integrated hollow waveguide (iHWG) is presented.
doi:10.1039/c6an01130f pmid:27508281 fatcat:4jrfdhn6vbfyfkpowrs3xjdhai