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    Two-frequency CARS imaging by switching fiber laser excitation

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    Available after January 1, 2019 (262.2Kb)
    Issue Date
    2018-01
    Author
    Rentchler, Eric C.
    Xie, Ruxin
    Hui, Rongqing
    Johnson, Carey K.
    Publisher
    Wiley Periodicals, Inc.
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    (c) 2018 Wiley Periodicals, Inc.
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    Abstract
    To fully exploit the power of coherent Raman imaging, techniques are needed to image more than one vibrational frequency simultaneously. We describe a method for switching between two vibrational frequencies based on a single fiber‐laser source. Stokes pulses were generated by soliton self‐frequency shifting in a photonic crystal fiber. Pump and Stokes pulses were stretched to enhance vibrational resolution by spectral focusing. Stokes pulses were switched between two wavelengths on the millisecond time scale by a liquid‐crystal retarder. Proof‐of‐principle is demonstrated by coherent anti‐Stokes Raman imaging of polystyrene beads embedded in a poly(methyl methacrylate) (PMMA) matrix. The Stokes shift was switched between 3,050 cm−1, where polystyrene has a Raman transition, and 2,950 cm−1, where both polystyrene and PMMA have Raman resonances. The method can be extended to multiple vibrational modes.
    Description
    This is the peer reviewed version of the following article: Rentchler EC, Xie R, Hui R, JohnsonCK. Two-frequency CARS imaging by switching fiber laser excitation. Microsc Res Tech. 2018;81:413–418. https://doi.org/10. 1002/jemt.22993, which has been published in final form at https://doi.org/10.1002/jemt.22993. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
    URI
    http://hdl.handle.net/1808/26308
    DOI
    https://doi.org/10.1002/jemt.22993
    Collections
    • Chemistry Scholarly Works [0]
    Citation
    Rentchler EC, Xie R, Hui R, JohnsonCK. Two-frequency CARS imaging by switching fiber laser excitation. Microsc Res Tech. 2018;81:413–418. https://doi.org/10.1002/jemt.22993

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    KU Libraries
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    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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