Light spot homogenization apparatus of illumination module group of semiconductor laser
The invention relates to a light spot homogenization apparatus of an illumination module group of a semiconductor laser. A semiconductor laser, a micro lens, an optical homogenization plate, and a plano-convex lens are successively arranged at the same horizontal straight line. The semiconductor las...
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creator | YU CANCAN SHI GUOZHU MA CHONGCAI LI MING LI SHUQIANG |
description | The invention relates to a light spot homogenization apparatus of an illumination module group of a semiconductor laser. A semiconductor laser, a micro lens, an optical homogenization plate, and a plano-convex lens are successively arranged at the same horizontal straight line. The semiconductor laser emits laser irradiating the micro lens; abd the laser passes through a dual-face micro lens array and is split into multiple beams of light by a first micro lens unit group in the micro lens, and then the light is overlapped mutually in a second group micro lens array to carry out light spot homogenization. Dual homogenization is carried out on the emitted light beams by the optical homogenization plate, so that an interference problem of the laser light beam when the beam passes through an array at a second layer can be solved and thus the energy of the laser light beam becomes uniform. The light beams after homogenization passes through the plano-convex lens. When the distance between the plano-convex lens and the optical homogenization plate is changed, the divergence angles of the emitted light beams can be adjusted; matching is carried out according to camera lens with different focal lengths; and application to different occasions can be realized. |
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When the distance between the plano-convex lens and the optical homogenization plate is changed, the divergence angles of the emitted light beams can be adjusted; matching is carried out according to camera lens with different focal lengths; and application to different occasions can be realized.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS |
title | Light spot homogenization apparatus of illumination module group of semiconductor laser |
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