期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 104, 期 19, 页码 7776-7779出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.0702107104
关键词
microscopy; nonlinear optics; scattering stimulated; ultrafast optics
资金
- NCRR NIH HHS [RR14257] Funding Source: Medline
Single bacterial spores were analyzed by using nonlinear Raman microspectroscopy based on coherent anti-Stokes Raman scattering (CARS). The Raman spectra were retrieved from CARS spectra and found to be in excellent agreement with conventionally collected Raman spectra. The phase retrieval method based on maximum entropy model revealed significant robustness to external noise. The direct comparison of signal amplitudes exhibited a factor of 100 stronger CARS signal, as compared with the Raman signal.
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