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for this invention. Over the next 40 years the technique became more powerful and sophisticated due to developments in optics and lasers. Interest in this method grew considerably as its practical applications expanded from chemistry to areas such as biology, materials science, and
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within a sample of atoms or molecules. Typically the absorption of light by the sample is recorded within short time intervals (by a so-called test or probe pulses) to monitor relaxation or reaction processes initiated by the pump pulse.
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as an outgrowth of attempts by military scientists to build cameras fast enough to photograph missiles in flight. The technique was developed in 1949 by
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laboratory technique, in which a sample is first excited by a strong pulse of light from a
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in plants, signaling, and light-induced conformational changes in biological systems.
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or leads to an increased population for energy levels other than the
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pulse width or by another short-pulse light source such as a
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180:"The Nobel Prize in Chemistry 1967"
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68:Ronald George Wreyford Norrish
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16:Chemical excitation technique
160:. Royal Society of Chemistry
129:Ultrafast laser spectroscopy
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222:Time-resolved spectroscopy
154:"Laser flash photolysis"
76:Nobel Prize in Chemistry
81:environmental sciences
115:(1 attosecond = 10 s)
74:, who won the 1967
217:Chemical kinetics
85:organic molecules
48:chemical reaction
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134:Ultrashort pulse
20:Flash photolysis
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188:. Retrieved
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60:World War II
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52:ground state
28:pulsed laser
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158:www.rsc.org
113:Attophysics
40:femtosecond
206:Categories
140:References
44:flash lamp
36:picosecond
32:nanosecond
24:pump-probe
164:7 January
190:20 March
107:See also
89:polymers
186:. 1967
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192:2018
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