Emerging applications of stimulated Raman scattering microscopy in materials science

The conventional spontaneous Raman microscopy is a powerful tool that images chemical bonds in materials, but it suffers from the intrinsically weak cross-sections and requires long acquisition time. As an emerging imaging tool, stimulated scattering (SRS) significantly amplifies signal. It has higher sensitivity, faster speed, fine spatial resolution. Meanwhile, label-free capable of 3D imaging. With its fast speed superb can visualize dynamic process materials science, such as ion transport. SRS was originally invented for biomedical studies so not well known by science community yet. In this review paper, we introduce principle instrumentation microscopy, applications discuss future potentials challenges. We believe will become valuable instrument science. Stimulated nonlinear amplify up to 108 times under modern configuration. emerged technique due high chemical, spatial, temporal While designed applications, drawn increasingly more attention recent years. high-speed high-chemical sensitivity are attractive both high-throughput material characterizations capturing transient dynamics transport reactions. been explored various topics, 2D energy storage conversion, polymerizations with great success. review, principles, instrumentation, current followed our perspectives on exciting topics be studied microscopy. Imaging plays important role provides rich information variation compositions, structures, properties. history dates back invention optical Cornelis Drebbel 1619.1Tierie, G. (1932). Drebbel, H. J. Paris at Amsterdam, Vol. 3.Google Scholar last century, tools have quickly developed expanded vision understanding materials. These instruments include limited microscopies (e.g., polarization near-field scanning X-ray imaging),2Wood K.N. 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