An Automatic Measuring System of All-Sky Atmospheric Polarization Mode
An atmospheric polarization mode and automatic measurement technology, which is applied in the direction of polarization influence characteristics, can solve problems such as errors and field of view errors, and achieve the effects of avoiding time delays, overcoming differences in field of view, and improving the efficiency of measurement experiments
Active Publication Date: 2017-08-11
合肥视展光电科技有限公司
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The single-lens and single-camera polarization measurement device based on the time-domain segmentation method needs to rotate the polarizer when shooting, which will bring a certain error due to time delay. There is a certain error due to different shooting fields of view
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[0027] In this embodiment, an automatic measurement system for an all-sky atmospheric polarization mode includes: an all-sky information acquisition module, a three-channel polarization module, and a control module; figure 1 Shown is the optical path structure diagram composed of the all-sky information acquisition module and the three-channel polarization module. The all-sky information acquisition module receives the omni-sky light source for adjustment, and outputs the all-sky light beam of the optimal optical path to the three-channel polarization module; The three-channel polarization module converts the information type of the all-sky beam of the optimal optical path, and outputs the three-channel all-sky polarization image information to the control module; figure 2 As shown, the control module establishes communication with the three-channel polarization module, controls the three-channel polarization module to collect images and transmits the data to the control modul...
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The present invention discloses an automatic measurement system for the atmospheric polarization mode in the whole sky, which is characterized in that it comprises: an information acquisition module in the whole sky, a three-channel polarization module and a control module; The all-sky light beam of the optimal optical path is sent to the three-channel polarization module, and the three-channel polarization module converts the information type of the all-sky light beam of the optimal optical path and outputs the all-sky polarization image information to the control module, and the control module controls the three-channel polarization module The all-sky polarization image information is collected, processed and calculated by the Stokes vector algorithm, and the all-sky atmospheric polarization mode information is output. The invention can simultaneously collect all-sky domain polarization image information of three different polarization directions in the same field of view, and obtain full-sky domain atmospheric polarization mode information, thereby eliminating errors.
Description
technical field [0001] The invention relates to the field of atmospheric optics research and intelligent information acquisition, in particular to an automatic measurement system for the full-sky atmospheric polarization mode. Background technique [0002] As a natural light source, sunlight will be scattered due to the action of particles such as aerosols in the atmosphere during the transmission process in the atmosphere, and the unbiased natural light will be transformed into polarized light. A large amount of sunlight will form a specific polarization state distribution in the atmosphere after the particle action, that is, the atmospheric polarization mode. Atmospheric polarization mode can be represented by atmospheric polarization degree and polarization direction. The study found that the distribution of atmospheric polarization modes has a certain regularity and changes regularly during the day. At a certain time of the day and at a certain location, due to the temp...
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IPC IPC(8): G01N21/21
Inventor 范之国孙洁怀宇郑骊昂高隽
Owner 合肥视展光电科技有限公司