Metasurface-Enabled 3-in-1 Microscopy.
Metasurface-Enabled 3-in-1 Microscopy.
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DOI：
10.1021/acsphotonics.2c01971
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发表时间：
2023-02-15
期刊：
影响因子：
7
通讯作者：
Chen, Xianzhong
中科院分区：
文献类型：
--
作者：
Intaravanne, Yuttana;Ansari, Muhammad Afnan;Ahmed, Hammad;Bileckaja, Narina;Yin, Huabing;Chen, Xianzhong
边缘增强和偏振检测是图像透明或低对比度样品的关键。然而，目前可用的系统仅限于执行单一功能。为了满足系统集成的要求，人们迫切需要一种多功能显微镜。在这里，我们提出并开发了一种基于空间复用和偏振分裂的三种不同功能的显微镜。一种新型的几何超表面（MS）可以实现螺旋相位轮廓和沿两个垂直方向的两个相位梯度轮廓，可以完成这种极具挑战性的光学任务。这是三合一显微镜的首次演示，该显微镜可以在同一成像平面上同时获得具有不同光学特性的五幅图像。不同样品的成像实验验证了其同时进行边缘成像、偏振成像和常规显微镜成像的能力。得益于光学质谱设备的紧凑性和多功能性，集成不会增加显微镜的体积。这种方法可以使用户实时地看到样品的多个方面。
Edge enhancement and polarization detection are critical to image transparent or low-contrast samples. However, currently available systems are limited to performing only a single functionality. To meet the requirement of system integration, there is a pressing need for a microscope with multiple functionalities. Here, we propose and develop a microscope with three different functionalities based on spatial multiplexing and polarization splitting. A novel geometric metasurface (MS) is used to realize a spiral phase profile and two phase gradient profiles along two vertical directions, which can perform such an extremely challenging optical task. This is the first demonstration of a 3-in-1 microscope that can simultaneously obtain five images with different optical properties in an imaging plane for the same sample. Imaging experiments with different samples verify its capability to simultaneously perform edge imaging, polarimetric imaging, and conventional microscope imaging. Benefiting from the compactness and multifunctionality of the optical MS device, the integration does not increase the volume of the microscope. This approach can enable users to visualize the multiple facets of samples in real-time.
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