Full solar disk sun imager adopting two-channel atomic light filtering technology
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A technology of atomic optical filter and imager, which is applied in the field of full-sun solar imager, can solve the problems such as certain influence on the precision and accuracy of measurement, achieve simple and convenient etalon, reduce the difficulty of adjustment, and improve the quality of observation Effect
Active Publication Date: 2011-04-27
WUHAN INST OF PHYSICS & MATHEMATICS CHINESE ACADEMY OF SCI
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When the sun is relatively calm, the time span of minutes will not have a great impact on the observation accuracy because of its small changes; while when the sun is active, because its various parameters change rapidly, even if the imaging time is separated by a few seconds, it will not affect the measurement accuracy. Precision and accuracy also play a role
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Embodiment 1
[0024] The dual-channel atomic filter all-helios solar imager consists of a telescope 01, a filter 02, a λ / 4 wave plate 03, a polarization beam splitter 04, two atomic filters 05, 11, two beam splitters 06, 12, four Interferometers 07, 09, 13, 15, four CCDs 08, 10, 14, 16 and computer 17; among them: telescope 01, filter 02, λ / 4 wave plate 03, polarization beam splitter 04, first atom The optical filter 05, the first beam splitter 06, the first interferometer 07, and the first CCD 08 are arranged coaxially in sequence; the second interferometer 09 and the second CCD 10; the second atomic filter 11, the second beam splitter 12, the third interferometer 13 and the third CCD 14 are installed coaxially in the direction of the reflection optical axis of the polarization beam splitter 04; The fourth interferometer 15 and the fourth CCD 16 are coaxially installed sequentially in the direction of the optical axis; the output ends of the first CCD 08 , the second CCD 10 , the third CCD...
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Abstract
The invention discloses a full solar disk sun imager adopting two-channel atomic light filtering technology, which comprises a telescope (01), a light filtering sheet (02), a lambda / 4 wave plate (03), a polarizing light splitter (4), an atomic light filter (05), an atomic light filter (11), a light splitter (06), a light splitter (12), an interferometer (07), an interferometer (09), an interferometer (13), an interferometer (15), a CCD (08), a CCD (10), a CCD (14), a CCD (16) and a computer (17). The polarizing light splitter, the atomic light filters, the four interferometers, the four CCDs and the like are fixedly connected without time sequence control, thus four high-resolution spectrum images of the sun can be obtained simultaneously, and the full solar disk brightness, the Doppler velocity and the magnetic field intensity can be obtained after treatment. The technical scheme has the characteristics of scientific scheme, stable and reliable system, convenient use and the like, improves the stability and the precision of measurement of the solar magnetic field, and provides a better detecting device for observing sun and monitoring and predicting space weather.
Description
Technical field: [0001] The invention relates to an all-helios solar imager, in particular to an all-helios luminance, Doppler velocity and magnetic field intensity imager using narrow-band atomic light filtering technology. Background technique: [0002] The sun is the closest star to the earth, and it is also the star most closely related to human beings. Activities on the surface of the sun are usually relatively calm, but sometimes some complex and violent activities erupt suddenly, such as the appearance of sunspot groups, flare explosions, coronal mass ejections, etc. These violent activities will eject a large amount of matter into space, including high-energy particles, rays , interplanetary magnetic cloud, etc., and release a large amount of energy at the same time. On the one hand, the high-energy particles and rays produced directly threaten space vehicles and affect human space activities. , interfere with terrestrial radio communications and large power transmi...
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Patent Type & Authority Patents(China)
IPC IPC(8): G01J3/28G01R33/032G01W1/10G02B5/20
Inventor 程学武杨勇龚威杨国韬胡雄李发泉邹照伟
Owner WUHAN INST OF PHYSICS & MATHEMATICS CHINESE ACADEMY OF SCI
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