Large-view-field scanning system
A technology of scanning system and large field of view, which is applied in the field of large field of view scanning system, can solve problems such as space constraints, and achieve the effects of simple use, simplified optical system structure, innovation and practicability
Inactive Publication Date: 2018-08-17
SANMING UNIV
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Among them, the tip-tilt single-mirror scanning technology is usually driven by piezoelectric ceramics, but its placement has strict space restrictions and must be placed on the pupil plane
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[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implement...
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The invention relates to a large-view-field scanning system which comprises a solar optical telescope for collecting light beams emitted by the solar atmosphere movable target, an optical relay device, a field scanning device, a grating spectrometer, a CCD camera, a computer and a linear driving mechanism used for driving the scanning device to move integrally; wherein the field scanning device comprises two vertical plane mirrors which are perpendicular to each other; the grating spectrometer comprises a slit part, a collimating lens and a grating part; the light beams collected by the solaroptical telescope pass through the optical relay device and then enter the slit part after being reflected by the two plane mirrors, are collimated by the collimating mirror and then enter the gratingpart. The part of the light beams subjected to the dispersion and splitting of the grating part is re-incident to the collimating mirror. The CCD camera is used for collecting light beams which are re-incident to the collimating mirror and converting the light beams into electric signals to the computer so as to form spectral information. The view field scanning mode of double plane mirrors is adopted, the structure of the optical system is simplified, and the installation and commissioning requirements of the optical system are reduced.
Description
technical field [0001] The present invention relates to an optical scanning device, in particular to a large field of view scanning system. Background technique [0002] The slit-type grating spectrometer is an important instrument for studying the distribution of the solar magnetic field, and it has been widely used in the observation of the solar atmosphere. Huang Youran, Xu Aoao, and Qin Zhihai were included in the "Measured Astrophysics" published by Beijing Science Press in 1987. Related technical information published by et al. [0003] In order to study the distribution characteristics of the solar magnetic field in different solar atmospheres, three-dimensional spectral imaging technology is usually used. Three-dimensional spectral imaging technology can be divided into field integration unit (IFU) technology based on optical fiber array, image cutter technology and field scanning technology (Wang Junfan, Zhu Yongtian, Hu Zhongwen. Three-dimensional astronomical ima...
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IPC IPC(8): G01J3/28
CPCG01J3/2823G01J2003/283
Inventor 郑联慧魏茂金颜慧贤
Owner SANMING UNIV