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    • 2. 发明授权
    • Scanning lens unit and optical scanning apparatus including the same
    • 扫描透镜单元和包括其的光学扫描设备
    • US07075689B2
    • 2006-07-11
    • US11189774
    • 2005-07-27
    • Yoichi SuzukiYoshinori MorimotoKenichi Saito
    • Yoichi SuzukiYoshinori MorimotoKenichi Saito
    • G02B26/08
    • G02B26/125G02B13/0005
    • The scanning lens unit includes lenses located between a optical deflector and a lens having a k-th lens surface Sk from a first lens surface S1 closest to the deflector are disposed such that a height of a lens having the lens surface Sk denoted by πk satisfies the predetermined expression. each of lenses located between the first lens surface S1 and the k-th lens surface Sk is a cylindrical lens having power only in the determined deflection direction. Therefore, the lenses can individually have minimum thicknesses, as a result, the cost reduction of the scanning lens unit is realized. The optical scanning apparatus includes the scanning lens and hence can achieve cost reduction.
    • 扫描透镜单元包括位于光偏转器和具有距离偏转器最近的第一透镜表面S 1> 1的具有第k透镜表面S k的透镜之间的透镜, 使得具有由表示的透镜表面S< k>的透镜的高度满足预定表达式。 位于第一透镜表面S 1和第k透镜表面S SUB之间的每个透镜是仅在确定的偏转方向上具有光焦度的柱面透镜。 因此,透镜可以单独地具有最小的厚度,结果,实现了扫描透镜单元的成本降低。 光学扫描装置包括扫描透镜,因此可以实现成本降低。
    • 8. 发明授权
    • OCT probe for eliminating ghost images
    • OCT探测器用于消除鬼影像
    • US07805034B2
    • 2010-09-28
    • US12361105
    • 2009-01-28
    • Kiichi KatoYoshinori MorimotoHiroshi YamazakiMasahiro Saito
    • Kiichi KatoYoshinori MorimotoHiroshi YamazakiMasahiro Saito
    • G02B6/00G02B6/26
    • G02B6/327A61B5/0066A61B5/0073A61B5/6852G01N21/4795G02B6/2552
    • An OCT probe has a sheath to be inserted into a subject; and an optical system within the sheath, for changing the direction of light which propagates from a light source through an optical fiber to irradiate the light onto the subject through a transparent portion of the sheath, and for reflecting the light beam, which is reflected by the subject, to guide the light into the optical fiber. A light output surface, for causing the light to be output from the reflecting surface in a direction obliquely inclined with respect to the inner surface of the sheath, and a reflected light sheath entrance preventing portion, for preventing light reflected by the inner surface of the sheath from entering the optical fiber, are provided in the optical system. The reflected light sheath entrance preventing portion may be formed by providing a cut planar surface portion on the lens.
    • OCT探针具有插入受试者的护套; 以及在护套内的光学系统,用于改变从光源通过光纤传播的光的方向,以通过护套的透明部分将光照射到被摄体上,并且用于反射由光束反射的光束 将光线引导到光纤中。 一个光输出表面,用于使光从相对于护套的内表面倾斜倾斜的方向从反射表面输出,反射光线入口防止部分,用于防止光的内表面反射的光 护套进入光纤,设置在光学系统中。 可以通过在透镜上设置切割的平坦表面部分来形成反射光线入射防止部分。