Advances in multi-dimensional super-resolution nonlinear optical microscopy

Advances in multi-dimensional super-resolution nonlinear optical microscopy
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多维超分辨率非线性光学显微镜研究进展

DOI:
10.1080/23746149.2021.1964378
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发表时间:
2021
期刊:
Advances in Physics: X
影响因子:
--
通讯作者:
Knappenberger, Kenneth L.
Knappenberger, Kenneth L.
中科院分区:
--
文献类型:
--
作者:
Zhao, Tian;Knappenberger, Kenneth L.

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在这篇评论中,最近的进展桥接不匹配的长度尺度的光谱学和成像进行了描述。跨越紫外到红外波长的光谱测量提供了有关分子和材料结构特性的丰富细节。然而,衍射极限排除了与结构相称的成像这些系统所需的空间分辨率。许多小组已经创新了统计方法,允许确定或“定位”光学点源,其精度接近分子长度尺度。正如我们在这里回顾,干涉非线性光学成像(INLO)允许研究人员同时获得光谱数据,并使用单个宽视场显微镜以纳米精度在三维空间定位点源。采用等离子体纳米粒子作为原型系统,我们表明,INLO产生样品激发光谱,相干寿命(即均匀线宽),和偏振相关的响应。INLO方法也可用于偏振分辨(例如圆二色性)成像。因此,可以将光谱信息内容的多个维度添加到光学图像。还讨论了将INLO定位平台扩展到其他所谓的超分辨率光谱测量的前景。
In this review, recent advances toward bridging the mismatching length scales of optical spectroscopy and imaging are described. Spectroscopic measurements that span ultraviolet to infrared wavelengths provide rich details about the structural properties of molecules and materials. However, the diffraction limit precludes the spatial resolution needed to image these systems commensurate with structure. Many groups have innovated statistical approaches that allow an optical point source to be determined, or ‘localized,’ with a precision that approaches the molecular length scale. As we review here, interferometric nonlinear optical imaging (INLO) allows researchers to simultaneously acquire spectroscopic data and localize the point source in three dimensions with nanometer precision using a single wide-field microscope. Employing plasmonic nanoparticles as prototypical systems, we show that INLO yields sample excitation spectrum, coherence lifetimes (i.e. homogeneous linewidth), and polarization-dependent responses. The INLO method can also be used for polarization-resolved (e.g. circular dichroism) imaging. Hence, multiple dimensions of spectroscopic information content can be added to the optical image. A discussion of prospects for extending the INLO-localization platform to other so-called super-resolution spectroscopy measurements is also provided.
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发表时间: 2002-05-01
影响因子: 3.4
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