Femtosecond resonance enhanced CARS for background-free detection of organic molecules
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We study the coherent excitation profile (CEP) of resonance enhanced femtosecond CARS in a model system zinc phthalocyanine in a polymer film host as a prospective technique for detection and identification of molecular species in ambient environments. A new method of suppressing the non-resonant FWM background is demonstrated. Transform theory is applied to calculate CEP based on the absorption spectrum, and good agreement between theory and experiment is obtained. 2005 Taylor & Francis Group Ltd.
author list (cited authors)
Rebane *, A., Drobizhev, M., Kruk, M., Karotki, A., Tehver, I., & Scully, M.
complete list of authors
Rebane *, Aleksander||Drobizhev, Mikhail||Kruk, Mikalai||Karotki, Aliaksandr||Tehver, Imbi||Scully, Marlan