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发明公开
CN104583864A 照明光学系统、投影仪和投影仪系统 失效 - 权利终止

照明光学系统、投影仪和投影仪系统
摘要：
一种照明光学系统(10)，配备有：透镜(1)，其会聚以发散角(θ1)从光纤(101)出射的第一光通量；透镜(2)，其会聚以发散角(θ2(≠θ1))从光纤(102)出射并且具有与第一光通量的颜色不同的颜色的第二光通量；以及，二向色镜(3)，其被布置在其透镜(1)的光轴以直角与透镜(2)的光轴相交的位置处，通过透镜(1)进入的第一光通量可以透射它，并且其可以向第一光通量投射的方向反射通过透镜(2)进入的第二光通量。透镜(1，2)被适配使得由透镜(1)会聚的第一光通量的收敛角与由透镜(2)会聚的第二光通量的收敛角一致。
摘要（英）：

An illumination optical system (10) is equipped with: a lens (1) which collects a first light flux that is emitted from an optical fiber (101) at a divergent angle (theta1); a lens (2) which collects a second light flux that is emitted from an optical fiber (102) at a divergent angle (theta2 being not equal to theta1)) and has a different color from that of the first light flux; and a dichroic mirror (3) which is arranged at a position at which the optical axis of the lens (1) intersects the optical axis of the lens (2) at a right angle, and through which the first light flux entering through the lens (1) can penetrate, and which can reflect the second light flux entering through the lens (2) toward the direction in which the first light flux penetrates. The lenses (1, 2) are so adapted that convergent angle of the first light flux collected by the lens (1) matches the convergent angle of the second light flux collected by the lens (2).

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