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Applications of quantum cascade lasers in chemical sensing

Wu, Sheng and Deev, Andrei and Tang, Yongchun (2010) Applications of quantum cascade lasers in chemical sensing. In: Infrared Remote Sensing and Instrumentation XVIII. Proceedings of SPIE. No.7808. Society of Photo-Optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 780819. ISBN 978-0-8194-8304-1.

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We show new results in modulating and modifying Quantum Cascade (QC) lasers to make them more suitable for chemical sensing spectroscopy. Spectroscopy results using QC lasers are demonstrated with whispering gallery mode CaF_2 disc/ball, saturated absorption in hollow waveguide and direct chemical analysis in water.

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Additional Information:© 2010 SPIE The International Society for Optical Engineering. We gratefully acknowledge the helpful discussion on WGMs with Dr. Ivan Grudinin, and Dr. Andrey Matsko and Dr. Vladmir Ilchenmko. We are in debt to Prof. Axel Scherer for his generous hours gicen us on the use of the KNI nano fabrication facility and insightful guidance on FIB fabrication.
Group:Kavli Nanoscience Institute
Subject Keywords:Current tuning, Mid Infrared, Whispering Gallery Mode, Quantum Cascade Laser, Saturated absorption, hollow waveguide, and water absorption
Series Name:Proceedings of SPIE
Issue or Number:7808
Record Number:CaltechAUTHORS:20161031-141459013
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Official Citation:Sheng Wu ; Andrei Deev ; Yongchun Tang; Applications of quantum cascade lasers in chemical sensing. Proc. SPIE 7808, Infrared Remote Sensing and Instrumentation XVIII, 780819 (September 20, 2010); doi:10.1117/12.861117.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:71630
Deposited By: Ruth Sustaita
Deposited On:31 Oct 2016 22:12
Last Modified:03 Oct 2019 16:09

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