FIELD: physics, measurement.
SUBSTANCE: invention is related to machine building, in particular, to developable specular reflectors (DSR), which are used for research of space beams and carried into orbit in folded condition in limited volume of carrier-rocket fairing. Substance of invention consists on developable specular reflector, which contains reflecting surface made of cells, mechanisms of development, hinges and fixators, in contrast to available one, every cell is made of focusing surface in the form of Fresnel surface, and flat installation surface, at that focusing surfaces create concentric circumferences with single focus, at that cells are equipped with adjustment mechanisms of Fresnel surface, which are made of regulation part fixed on Fresnel surface and connected to installation part of calibration mechanism by means of hinge fixed on installation surface.
EFFECT: increase of DSR reflecting surface hardness with formation of reflecting surface profile with minimum possible deviations from standard one, increase of reflecting surface stability, reduction of DSR weight.
4 dwg
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