An Efficient Switching-Off of Coherent Anti-Stokes Raman Scattering via Double Stimulated Raman Scattering Processes of Heteromolecular Vibrational Modes
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Title
- An Efficient Switching-Off of Coherent Anti-Stokes Raman Scattering via Double Stimulated Raman Scattering Processes of Heteromolecular Vibrational Modes
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Author(s)
- Sohee Lim; Dae Sik Choi; Hanju Rhee; Minhaeng Cho
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Subject
- STED MICROSCOPY REVEALS, ; IN-VIVO, ; DEPLETION, ; RESOLUTION, ; EMISSION, ; BREAKING, ; LIMIT
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Publication Date
- 2020-04
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Journal
- The journal of physical chemistry. B, v.124, no.17, pp.3583 - 3590
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Publisher
- AMER CHEMICAL SOC
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Abstract
- © 2020 American Chemical Society Recently, we introduced a new switching-off technique applicable to subdiffraction-limited coherent Raman imaging, where a coherent anti-Stokes Raman scattering (CARS) signal can be selectively suppressed via competitive stimulated Raman scattering (SRS) processes between vibrational modes of a single molecular species. Here, we show that such a three-beam CARS suppression can be made via double SRS processes between vibrational modes of heteromolecular species, a mixture of paraffin oil and benzene. We achieve more than 80% suppression of the pump-Stokes-beam CARS signal for the ring-breathing mode (target mode) of benzene when the C-H stretching mode (acceptor mode) of paraffin oil is used to deplete the pump photons via the pump-depletion-beam SRS process. The freedom in the choice of acceptor mode for depletion, which could be a critical advantage of the present switching-off scheme, can be of use for overcoming current challenges of depletion-based super-resolution coherent Raman imaging of biomolecules
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URI
- https://pr.ibs.re.kr/handle/8788114/8668
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DOI
- 10.1021/acs.jpcb.0c03080
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ISSN
- 1520-5207
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Appears in Collections:
- Center for Molecular Spectroscopy and Dynamics(분자 분광학 및 동력학 연구단) > 1. Journal Papers (저널논문)
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