Multi-matrix opto-electronic system for measuring deformation of the millimeter range radiotelescope elements

Ren-pu Li , Konyakhin Igor , Tong Minh Hoa , Min Zhou

Optoelectronics Letters ›› 2019, Vol. 15 ›› Issue (2) : 144 -146.

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Optoelectronics Letters ›› 2019, Vol. 15 ›› Issue (2) :144 -146. DOI: 10.1007/s11801-019-8191-5
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Multi-matrix opto-electronic system for measuring deformation of the millimeter range radiotelescope elements
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Abstract

A novel optical instrument is proposed and studied to measure the deformation of each connection point for a mirror, which includes 24 multi-matrix base units and can be used in millimeter-scale signal reflection systems. Experimental investigations reveal that the error of measurement is σ=8.7×10−3 mm at a distance of 5 500 mm, which allows to measure the linear deformation of a radiotelescope with the mirror diameter of 70 m.

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Ren-pu Li, Konyakhin Igor, Tong Minh Hoa, Min Zhou. Multi-matrix opto-electronic system for measuring deformation of the millimeter range radiotelescope elements. Optoelectronics Letters, 2019, 15(2): 144-146 DOI:10.1007/s11801-019-8191-5

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