Title :
Chemical sensing with quantum cascade lasers
Author :
Kelly, James F. ; Williams, Richard M. ; Myers, Tanya L. ; Taubman, Matthew S. ; Sheen, David M. ; Sharpe, Steven W.
Author_Institution :
Pacific Northwest Lab., Richland, WA, USA
Abstract :
We present new work utilizing frequency modulation stabilization techniques to improve upon our published limits of stabilization. These efforts, based on the Pound-Drever-Hall (PDH) scheme, should permit extension of quantum cascade laser spectroscopy to ultra-high resolution saturation spectroscopy, and cavity-enhanced spectroscopy such as noise-immune cavity-enhanced optical heterodyne molecular spectroscopy
Keywords :
chemical sensors; electro-optical modulation; infrared spectroscopy; measurement by laser beam; optical sensors; quantum well lasers; spectrochemical analysis; Pound-Drever-Hall scheme; cavity-enhanced spectroscopy; chemical sensing; frequency modulation stabilization techniques; laser stability; noise-immune cavity-enhanced optical heterodyne molecular spectroscopy; quantum cascade laser spectroscopy; quantum cascade lasers; ultra-high resolution saturation spectroscopy; Amplitude modulation; Chemical lasers; Frequency modulation; Intensity modulation; Laser noise; Laser stability; Lasers and electrooptics; Optical modulation; Quantum cascade lasers; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics Society 2000 Annual Meeting. LEOS 2000. 13th Annual Meeting. IEEE
Conference_Location :
Rio Grande
Print_ISBN :
0-7803-5947-X
DOI :
10.1109/LEOS.2000.890740
