LI Ren-pu,Konyakhin,Igor,Tong,Minh Hoa,ZHOU Min.Multi-matrix opto-electronic system for measuring deformation of the millimeter range radiotelescope elements[J].Optoelectronics Letters,2019,15(2):144-146 Multi-matrix opto-electronic system for measuring deformation of the millimeter range radiotelescope elements Author Name Affiliation LI Ren-pu  Chongqing Engineering Research Center of Intelligent Sensing Technology and Microsystem, Chongqing University of Post and Telecommunications, Chongqing 400065, China  Konyakhin    Igor    Tong    Minh Hoa    ZHOU Min  Chongqing Engineering Research Center of Intelligent Sensing Technology and Microsystem, Chongqing University of Post and Telecommunications, Chongqing 400065, China  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. Hits: 1019 Download times: 0 View Full Text    Download reader