A subsidiary of the Russian technology company Obninsk Scientific Research and Production Co., Ltd. has developed an ultra-lightweight solar panel skeleton for spacecraft. The use of a solar panel equipped with this skeleton will help extend the spacecraft’s spacecraft. operating hours. Anatoly Khmelnitsky, deputy general manager of the company, said on the 12th that the new skeleton is made of carbon fiber composite material, weighs only 480 grams per square meter, while the European research satellite and space technology The same kind of ultra-lightweight skeleton that Strim company is developing, its design weight exceeds 1000 grams per square meter. Khmelnitsky said that using this ultra-light skeleton solar panel will extend the spacecraft's working time in space. Russia's "Moon-Global" and "Moon-Resource" detectors will use this new skeleton. (Reporter He Yingjun)
Corner cube Prism is also named retroreflector or trihedral prism.In the corner cube prism,three reflecting surfaces are perpendicular to each other,like the side wall of the cube.The input surface is perpendicular to the cube diagonal. Disregarding the anlge of the incidence,the output beam is parallel to the input one,but it is of opposite direction. Inset of the several corner prisms, for better matching,their extrance exit surface is often hexagonal.In case of this prism the phenomenon of full internal reflection occurs so it is not necessary,(however it is possible)to put mirror coating on the reflecting faces. Normally the reflection surfaces are AL reflection coating, and then covered with Cu and Black painting.
Pyramid prism/Corner Cube Retroreflector is always used to reflect the beam entering the prism face, regardless of its orientation to the beam. Corner cubes are widely used where precision alignment is difficult.
Corner Cube Prism
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