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Coherent infrared emission spectroscopy applied to the study of haem-protein dynamics in myoglobin

Marie-Louise Groot, Marten H. Vos, Jean-Christophe Lambry, Jean-Louis Martin, and Ilme Schlichting

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Abstract

We report coherent infrared emission from a protein. The infrared (1000-2000 cm−1) electrical field emitted from vibrational dipoles in crystalline myoglobin upon excitation of the haem by a short ~12 fs visible pulse is detected interferometrically.

© 2000 Optical Society of America

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