显微高光谱成像系统的设计

肖功海; 舒嵘; 薛永祺

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显微高光谱成像系统的设计

空间光学 | 更新时间：2020-08-12

- 显微高光谱成像系统的设计
- Design of microscopic hyperspectral imaging system
- 光学精密工程 2004年12卷第4期页码：367-372
- 作者机构：
  
  中国科学院, 上海技术物理研究所, 上海, 200083
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： TH744.1
- 收稿日期：2004-03-20，
  
  修回日期：2004-06-15，
  
  网络出版日期：2004-08-15，
  
  纸质出版日期：2004-08-15
- 稿件说明：
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肖功海, 舒嵘, 薛永祺. 显微高光谱成像系统的设计[J]. 光学精密工程, 2004,(4): 367-372

XIAO Gong-hai, SHU Rong, XUE Yong-qi. Design of microscopic hyperspectral imaging system[J]. Editorial Office of Optics and Precision Engineering, 2004,(4): 367-372
肖功海, 舒嵘, 薛永祺. 显微高光谱成像系统的设计[J]. 光学精密工程, 2004,(4): 367-372 DOI：

XIAO Gong-hai, SHU Rong, XUE Yong-qi. Design of microscopic hyperspectral imaging system[J]. Editorial Office of Optics and Precision Engineering, 2004,(4): 367-372 DOI：

摘要

设计出一种基于棱镜光栅棱镜组合分光方式的显微高光谱成像实验系统.系统根据推帚式成像光谱仪的原理进行设计

采用棱镜光栅棱镜组合元件在后光学系统进行光谱分光

利用高精度载物台自动装置驱动样品进行推扫成像

选用PCI总线作为数据采集的微机接口.整个系统由显微镜、分光计、面阵CCD相机、载物台自动装置以及数据采集与控制模块等几部分组成.系统的光谱范围从400nm到800nm

120个波段

光谱分辨率优于5nm

空间分辨率大约1μm.该系统具有直视性、光谱分辨率高、结构紧凑、成本低等优点;不仅能够提供微小物体在可见光范围的单波段显微图像

而且能够获得图像中任一像素的光谱曲线

实现了光谱技术和显微成像技术的结合

成功的将成像光谱技术应用到显微领域

可广泛应用于临床医学、生物学、材料学、微电子学等学科领域.

Abstract

A novel microscopic hyperspectral imaging system was presented

and its operating principle

structure

hardware and software design were discussed.The system was designed based on the principle of pushbroom hyperspectral imager

direct vision dispersing prism-grating-prism component was used as spectrum-dividing component

and PCI bus was used as computer interface of high-speed imaging spectral data acquiring subsystem. The whole system was composed of a microscope

a spectrometer

an area CCD camera

an automatic stage and data acquisition and control subsystem. Comparing to other spectrum-dividing technologies

the prism-grating-prism has advantages such as direct vision

high spectral resolution

compact structure and low cost. The system is capable of performing spectral imaging inplenty of spectral bands and micro-spectroscopy in any image pixel

in the spectral range 400 through 800 nm.The spectral resolution is less than 5 nm

and the spatial resolution is about one imicrometre. The system can be applied to a lot of fields

such as clinic medicine

biology

material science

microelectronics. The analysis results show that it can be successfully to apply hyperspectral imaging technique to microscopic fields by combining spectral imaging with microscopic imaging technique.

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references

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