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Dr. Fischer’s research focuses on exploring novel nonlinear optical contrast mechanisms for molecular imaging. Nonlinear optical microscopes can provide non-invasive, high-resolution, 3-dimensional images even in highly scattering environments such as biological tissue. Established contrast mechanisms, such as two-photon fluorescence or harmonic generation, can image a range of targets (such as autofluorescent markers or some connective tissue structure), but many of the most molecularly specific nonlinear interactions are harder to measure with power levels one might be willing to put on tissue. In order to use these previously inaccessible interactions as structural and molecular image contrasts we are developing ultrafast laser pulse shaping and pulse shape detection methods that dramatically enhance measurement sensitivity. Applications of these microscopy methods range from imaging biological tissue (mapping structure, endogenous tissue markers, or exogenous contrast agents) to characterization of nanomaterials (such as graphene and gold nanoparticles). The molecular contrast mechanisms we originally developed for biomedical imaging also provide pigment-specific signatures for paints used in historic artwork. Recently we have demonstrated that we can noninvasively image paint layers in historic paintings and we are currently developing microscopy techniques for use in art conservation and conservation science.
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论文共 151 篇作者统计合作学者相似作者
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2024 Conference on Lasers and Electro-Optics (CLEO)pp.1-2, (2024)
arXiv (Cornell University) (2024)
Mathias S. Fischer,Martin C. Fischer
HardwareXpp.e00548-e00548, (2024)
Springer series on fluorescence (2023)
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作者统计
#Papers: 151
#Citation: 3377
H-Index: 26
G-Index: 54
Sociability: 6
Diversity: 3
Activity: 13
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