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Pulse Shaping Increases CARS Resolution

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Coherent anti-Stokes Raman spectroscopy (CARS) is becoming the technique of choice for femtosecond time-resolved studies, say researchers at Weizmann Institute of Science in Rehovot, Israel, but its selectivity suffers because of the large bandwidth of its pulses. Now the researchers have used quantum coherent control to extract 15-cm-1resonant signals from a probe pulse with a 120-cm-1 bandwidth. Reporting in the Feb. 11 issue of Physical Review Letters, the team describes how it employed a liquid crystal spatial light modulator to perform Fourier transform pulse shaping on the 810-nm...Read full article

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    Published: April 2002
    As We Go To PressBreaking NewsPresstime Bulletinspectroscopy

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