Title :
Monolithic absorption sensors based on Bi-functional quantum cascade structures
Author :
Ristanic, Daniela ; Schwarz, Benedikt ; Reininger, Peter ; Detz, Hermann ; Andrews, Aaron M. ; Schrenk, Werner ; Zederbauer, Tobias ; MacFarland, Donald ; Strasser, Gottfried
Author_Institution :
Center for Micro- & Nanostruct., Vienna Univ. of Technol., Vienna, Austria
Abstract :
An integrated mid-infrared sensor consisting of an array of DFB lasers and detectors built from a bi-functional quantum cascade structure is demonstrated. The different frequencies enable the identification of the chemicals in a liquid mixture.
Keywords :
distributed feedback lasers; gas sensors; infrared detectors; integrated optics; measurement by laser beam; optical sensors; quantum cascade lasers; spectrochemical analysis; DFB laser array; bifunctional quantum cascade structures; chemical identification; integrated mid-infrared sensor; liquid mixture; monolithic absorption sensors; photodetectors; Absorption; Detectors; Liquids; Optical waveguides; Quantum cascade lasers; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
