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Solar atmosphere multi-band high-resolution tomography device based on adaptive optics system

An adaptive optics and high-resolution technology, which is applied in the direction of material analysis, measuring devices, and measuring optics through optical means, to achieve the effects of improving energy utilization, improving signal-to-noise ratio, and ensuring spatial resolution

Active Publication Date: 2017-10-20
INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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The high-resolution images of the sun at different wavelengths are collected and stored by the data recording system 5

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  • Solar atmosphere multi-band high-resolution tomography device based on adaptive optics system
  • Solar atmosphere multi-band high-resolution tomography device based on adaptive optics system

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0014] Such as figure 1 As shown, the present invention includes a collimating mirror 11, a reflector 12, an oblique wavefront corrector 13, a high-order wavefront corrector 14, a beam reduction system 15, a wavefront controller 18, a Shaker-Hartmann wavefront sensor 25, Fine tracking wavefront sensor 27 , dichroic beam splitters 16 and 17 , blue light imaging channel 2 , red light imaging channel 3 , near infrared light imaging channel 4 and data recording system 5 . After the light wave passing through the solar telescope is collimated into a suitable aperture by the collimating mirror 11, it is reflected by the mirror 12 to the oblique wavefront corrector 13 and the high-order wavefront corrector 14, and the corrected light is narrowed by the beam shrinking system 15 according to The length of the wavelength enters the blue light imaging ch...

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Abstract

The invention discloses a solar atmosphere multi-band high-resolution tomography device based on an adaptive optics system, which mainly consists of a collimator, a wavefront corrector, a beam reduction system, a dichroic beam splitter, a Shaker-Hartmann It consists of wavefront sensor, fine tracking wavefront sensor, wavefront controller, blue light imaging channel, red light imaging channel, near infrared light imaging channel and data storage system. Different bands of sunlight correspond to different altitudes of the solar atmosphere. The invention realizes high-resolution tomographic imaging of the solar atmosphere by simultaneously imaging multiple bands of sunlight and using an adaptive optics system to eliminate the influence of atmospheric turbulence on ground-based telescope imaging. The device introduces an adaptive optics system to ensure the spatial resolution of the image. Multiple bands of sunlight enter different imaging channels according to the length of the wavelength to improve the energy utilization rate of each imaging channel. The invention has important application prospects in the field of solar observation and is of great significance to solar physics research.

Description

technical field [0001] The invention relates to a solar atmosphere multi-band high-resolution tomography device, in particular to a solar atmosphere multi-band high-resolution tomography device based on an adaptive optical system. Background technique [0002] According to the theory of solar physics, the solar atmosphere at different altitudes has different temperatures, which correspond to different spectra. By using filters or spectrometers to observe the sun at different wavelengths, we can obtain different levels of solar structure maps (see: solar activity area physics, written by Fang Cheng, Ding Mingde, and Chen Pengfei, Nanjing University Press, pp.5-8), on the other hand, with the deepening of solar physics research, the requirement for the space scale in solar observation is getting smaller and smaller, that is, Observing instruments are required to have higher spatial resolution. Ground-based large-aperture solar telescopes are affected by atmospheric turbulence,...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J9/00G01N21/19
Inventor 饶长辉朱磊张兰强饶学军顾乃庭田雨鲍华
Owner INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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