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    • 4. 发明申请
    • Projection apparatus with coherent light source
    • 具有相干光源的投影设备
    • US20090009851A1
    • 2009-01-08
    • US12231911
    • 2008-09-05
    • Taro EndoYoshihiro MaedaHirotoshi IchikawaYoshiaki HorikawaFusao Ishii
    • Taro EndoYoshihiro MaedaHirotoshi IchikawaYoshiaki HorikawaFusao Ishii
    • G02B26/02
    • G02B26/0841
    • The present invention discloses a projection apparatus comprising: a light source for emitting illumination light; a mirror device comprising a plurality of mirrors for generating an image by reflecting the illumination light toward a projecting direction by means of a deflecting operation; and a projection optical system which is placed in the optical axis of reflection light in the projecting direction of the illumination light incident to the mirror device and which projects the reflection light, wherein the optical axis of the illumination light incident to the mirror device and the optical axis of the reflection light in the projecting direction forms an angle that is larger than the expansion angle α of the flux of the illumination light that satisfies NA=n*sin α, where NA is the numerical aperture of the flux of the illumination light, and n is the reflectance.
    • 本发明公开了一种投影装置,包括:用于发射照明光的光源; 反射镜装置,包括多个反射镜,用于通过偏转操作将照明光朝向突出方向反射来产生图像; 以及投影光学系统,其被配置在入射到反射镜装置的照明光的突出方向上的反射光的光轴上,并且突出反射光,其中入射到反射镜装置的照明光的光轴和 反射光在投影方向上的光轴形成大于照射光的通量的扩展角α的角度,其满足NA = n *sinαα,其中NA是照明光束的通量的数值孔径 ,n为反射率。
    • 5. 发明授权
    • Projection apparatus with coherent light source
    • 具有相干光源的投影设备
    • US08238019B2
    • 2012-08-07
    • US12231911
    • 2008-09-05
    • Taro EndoYoshihiro MaedaHirotoshi IchikawaYoshiaki HorikawaFusao Ishii
    • Taro EndoYoshihiro MaedaHirotoshi IchikawaYoshiaki HorikawaFusao Ishii
    • G02B26/00G02B26/08G02F1/29
    • G02B26/0841
    • The present invention discloses a projection apparatus comprising: a light source for emitting illumination light; a mirror device comprising a plurality of mirrors for generating an image by reflecting the illumination light toward a projecting direction by means of a deflecting operation; and a projection optical system which is placed in the optical axis of reflection light in the projecting direction of the illumination light incident to the mirror device and which projects the reflection light, wherein the optical axis of the illumination light incident to the mirror device and the optical axis of the reflection light in the projecting direction forms an angle that is larger than the expansion angle α of the flux of the illumination light that satisfies NA=n*sin α, where NA is the numerical aperture of the flux of the illumination light, and n is the reflectance.
    • 本发明公开了一种投影装置,包括:用于发射照明光的光源; 反射镜装置,包括多个反射镜,用于通过偏转操作将照明光朝向突出方向反射来产生图像; 以及投影光学系统,其被配置在入射到反射镜装置的照明光的突出方向上的反射光的光轴上,并且突出反射光,其中入射到反射镜装置的照明光的光轴和 反射光的投影方向的光轴形成大于照射光的通量的扩展角α的角度,该角度满足NA = n *sinα,其中,NA是照明光的通量的数值孔径 ,n为反射率。