Arbitrary-detuning asynchronous optical sampling pump-probe spectroscopy of bacterial reaction centers
Résumé
A recently reported variant of asynchronous optical sampling compatible with arbitrary unstabilized laser repetition rates is applied to pump-probe spectroscopy. This makes possible the use of a 5.1 MHz chirped pulse oscillator as the pump laser, thus extending the available time window to almost 200 ns with a time resolution as good as about 320 fs. The method is illustrated with the measurement in a single experiment of the complete charge transfer dynamics of the reaction center from Rhodobacter sphaeroides. © 2013 Optical Society of America
Domaines
Optique [physics.optics]| Origine | Fichiers éditeurs autorisés sur une archive ouverte |
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