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Achievement of Narrow-Band CARS Signal by Manipulating Broad-band Laser Spectrum |
| ZHANG Shi-An, WANG Zu-Geng, SUN Zhen-Rong |
| State Key Laboratory of Precision Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062 |
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| Cite this article: |
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ZHANG Shi-An, WANG Zu-Geng, SUN Zhen-Rong 2008 Chin. Phys. Lett. 25 3260-3263 |
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Abstract
We theoretically demonstrate the achievement of narrow-band coherent anti-Stokes Raman scattering (CARS) signal by manipulating broad-band probe spectrum. The narrowing of the CARS signal depends on the spectrum bandwidth of the probe beam, and thus high-resolution CARS signal for a complicated quantum system can be obtained by the simple spectrum manipulation. Furthermore, the energy-level diagram for the complicated quantum system can also be labelled by measuring the CARS signal at a given frequency.
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| Keywords:
42.65.Dr
32.80.Qk
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Received: 12 June 2008
Published: 29 August 2008
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| PACS: |
42.65.Dr
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(Stimulated Raman scattering; CARS)
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32.80.Qk
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(Coherent control of atomic interactions with photons)
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