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Conferences > NP > 2014 > NTh4A > NTh4A.4

Nonlinear Mid-Infrared Photothermal Spectroscopy with Fiber Laser Probe

Michelle Y. Sander, Atcha Totachawattana, Hui Liu, Alket Mërtiri, Mi Hong, and Shyamsunder Erramilli

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Abstract

Nonlinear mid-infrared photothermal spectroscopy with an erbium-doped fiber laser probe is reported for a liquid crystal, using a tunable quantum cascade laser pump. Extreme nonlinear spectral enhancements are observed compared to the linear regime.

© 2014 Optical Society of America

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