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Published January 22, 2010 | Published
Book Section - Chapter Open

Novel Broadband Amplifier for Mid-Infrared Semiconductor laser and applications in spectroscopy


An amplifier design for broadband Mid-IR buried-hetero (BH) structure epitaxial laser is presented, and external cavity design based on this amplifier is described. Spectroscopy results characterizing such single frequency lasers are demonstrated with whispering gallery mode CaF2 disc/ball, saturated absorption in hollow waveguide and direct chemical analysis in water.

Additional Information

© 2010 SPIE. Online Publication Date: 22 January 2010. We gratefully acknowledge the helpful discussions on WGMs with Dr. Ivan Grudinin, Dr. Andrey Matsko and Dr. Vladmir Ilchenko. We are in debt to Prof. Axel Scherer for his generous hours given us on the use of the KNI nano fabrication facility and insightful guidance on FIB fabrication.

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Published - Wu2010p11969Adaptive_Optics_Systems_Pts_1-3.pdf


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