光学仪器, 2015, 37 (5): 431, 网络出版: 2016-01-19
基于SiO2微球颗粒的成像研究
Imaging research based on SiO2 microsphere
远场超分辨成像 二氧化硅微球 解团聚 成像放大 far-field super-resolution imaging silica microsphere de-aggregation amplified imaging
摘要
远场显微成像是近年来的研究热点,而微球颗粒在远场成像中具有一定的放大作用。针对这种现象,通过对微球颗粒的分离,对单个微球颗粒的成像特性进行了理论研究。实验表明,利用一定尺寸的二氧化硅微球颗粒,可以使远场显微镜的分辨率提高一倍。在尼康显微镜下,利用普通卤素灯光源、二氧化硅和相应的增强介质,对1 200线的光栅实现了近一倍的放大成像效果,证实了微球颗粒的远场显微成像能力。
Abstract
The far-field super-resolution imaging is a hot spot in the research.It is found that the microsphere played an important role in the far-field imaging. We design an experiment to realize de-aggregation of microsphere, and theoretically study imaging characteristics of single microsphere. According to the experimental research, we can double the resolution of far-field microscope by utilizing a specific scale of silica microsphere. By using the Nikon microscope with the halide lamp under the silica microsphere and relevant enhanced-medium, we double the imaging effect of a 1 200 line optical grating,and it shows the far-field imaging efficiency of microsphere.
韩笑, 杨俊杰, 赖雪, 单新治, 隋国荣. 基于SiO2微球颗粒的成像研究[J]. 光学仪器, 2015, 37(5): 431. HAN Xiao, YANG Junjie, LAI Xue, SHAN Xinzhi, SUI Guorong. Imaging research based on SiO2 microsphere[J]. Optical Instruments, 2015, 37(5): 431.