Jpn. J. Appl. Phys. 45 (2006) pp. 5986-5989  |Previous Article| |Next Article|  |Table of Contents|
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Femtosecond Real-Time Pump-Probe Imaging Spectroscopy Implemented on a Single Shot Basis

Yoshinori Makishima, Naoki Furukawa, Akihiro Ishida and Jun Takeda

Department of Physics, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya, Yokohama 240-8501, Japan

(Received March 7, 2006; revised April 22, 2006; accepted April 28, 2006; published online July 7, 2006)

Real-time pump-probe imaging spectroscopy implemented on a single shot basis applicable to photochemical reaction dynamics in biological and organic materials is demonstrated in femtosecond time regime. Using this method, the accumulation time to measure transient signals becomes dramatically reduced, and we can successfully map time–frequency two-dimensional image of the absorbance changes of β-carotene in real-time with an accumulation of 20 laser shots.

DOI: 10.1143/JJAP.45.5986
KEYWORDS:real-time mapping, imaging spectroscopy, femtosecond, single-shot, β-carotene

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