| 摘要 |
A light deflection device comprises a segmental sphere body having a deflection face portion for deflecting and transmitting an incident light beam, and a segmental sphere face portion opposing to the deflecting face portion, a base plate for supporting the segmental sphere body in a turnable manner, and a driving means for turning the segmental sphere body, the refractive index of the segmental sphere body being different from the refractive index of a space or medium brought into contact with the deflection face portion. A light deflection device array coomprises the light deflection devices arranged in a one-dimensional or two-dimensional array.
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