Direct wavefront sensing for high-resolution in vivo imaging in scattering tissue.
Direct wavefront sensing for high-resolution in vivo imaging in scattering tissue.
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DOI:
10.1038/ncomms8276
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发表时间:
2015-06-15
影响因子:
16.6
通讯作者:
Ji, Na
中科院分区:
文献类型:
--
作者:
Wang, Kai;Sun, Wenzhi;Richie, Christopher T.;Harvey, Brandon K.;Betzig, Eric;Ji, Na
Adaptive optics by direct imaging of the wavefront distortions of a laser-induced guide star has long been used in astronomy, and more recently in microscopy to compensate for aberrations in transparent specimens. Here we extend this approach to tissues that strongly scatter visible light by exploiting the reduced scattering of near-infrared guide stars. The method enables in vivo two-photon morphological and functional imaging down to 700 μm inside the mouse brain. Direct wavefront sensing with laser ‘guide stars' is used in astronomy and microscopy to correct for optical aberrations. Wang et al. use near-infrared guide stars to extend this approach to the highly scattering mouse brain, allowing high-resolution fluorescence imaging at 700μm depth.
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