| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical device which is capable of reducing aberration and controlling the luminous intensity distribution of light individually and independently. SOLUTION: The optical device includes a first columnar lens group in which a plurality of first columnar lenses 11 comprising a liquid lens are arranged side by side (A), a second columnar lens group in which a plurality of second columnar lenses 12 comprising a liquid lens are arranged side by side (B), and a housing 30 having a first surface 31, a second surface 32, a side surface 33 and a partition surface 34 (C). A first partition plate 35 is disposed in a first chamber 13 comprising the first surface 31, the partition surface 34 and the side surface 33 and the first chamber 13 is occupied by a first liquid 21 and a second liquid 22 which constitute the liquid lens. A second partition plate 37 is disposed in a second chamber 14 comprising the second surface 32, the partition surface 34 and the side surface 33 and the second chamber 14 is occupied by a third liquid 23 and a fourth liquid 24 which constitute the liquid lens. COPYRIGHT: (C)2009,JPO&INPIT
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