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    • 1. 发明授权
    • Corneal endothelial cell photographing apparatus
    • 角膜内皮细胞摄影装置
    • US6164778A
    • 2000-12-26
    • US468950
    • 1999-12-22
    • Akinari TakagiKouji Nishio
    • Akinari TakagiKouji Nishio
    • A61B3/12A61B3/15A61B3/14
    • A61B3/152
    • A corneal endothelial cell photographing apparatus comprises a first slit plate provided with a slit, a photographing light projecting optical system for obliquely projecting photographing light for photographing a corneal endothelial cell of an eye to be tested through the slit of the first slit plate on the eye, an observation light projecting optical system for projecting observation light through the slit of the first slit plate on the eye for observation prior to photographing the corneal endothelial cell of the eye, an observing and photographing optical system for guiding the observation light reflected from the cornea of the eye and the photographing light reflected from the cornea of the eye to an image pickup device for the observation and photographing of the corneal endothelial cell of the eye, a second slit plate provided with a slit narrower than that of the first slit plate, and a Z-alignment measuring light projecting optical system for projecting alignment measuring light through the slit of the second slit plate on the eye to measure the position of a main unit of the corneal endothelial cell photographing apparatus relative to the eye with respect to directions along the optical axis of the eye.
    • 角膜内皮细胞摄影装置包括设置有狭缝的第一狭缝板,用于倾斜投影拍摄光的拍摄光投射光学系统,用于通过眼睛上的第一狭缝板的狭缝拍摄待测眼睛的角膜内皮细胞 观察光投射光学系统,用于在拍摄眼睛的角膜内皮细胞之前,将观察光投射到眼睛上的第一狭缝板的狭缝中以进行观察,用于引导从角膜反射的观察光的观察和拍摄光学系统 的眼睛和从眼睛的角膜反射的摄影光到用于观察和拍摄眼睛的角膜内皮细胞的图像拾取装置,设置有比第一狭缝板窄的狭缝的第二狭缝板, 以及用于突出对准测量的Z对准测量光投射光学系统 通过眼睛上的第二狭缝板的狭缝,相对于沿着眼睛的光轴的方向测量角膜内皮细胞摄影装置的主单元相对于眼睛的位置。
    • 3. 发明授权
    • Waveguide and device including the same
    • 波导和设备包括相同
    • US07751669B2
    • 2010-07-06
    • US11558563
    • 2006-11-10
    • Kiyokatsu IkemotoAkinari TakagiHikaru HoshiKazuya NobayashiAihiko Numata
    • Kiyokatsu IkemotoAkinari TakagiHikaru HoshiKazuya NobayashiAihiko Numata
    • G02B6/10G02B6/12G02B6/26
    • G02B6/1225B82Y20/00
    • At least one exemplary embodiment is directed to a waveguide, which includes a three-dimensional photonic crystal including a first linear defect and a second linear defect. The first linear defect is disposed at part of columnar structures and is formed of a medium different from the columnar structures. The second linear defect is disposed at part of columnar structures extending in the longitudinal direction of the first linear defect and is formed of a medium having a refractive index different from that of the medium used for the columnar structures. The second linear defect is separated from the first linear defect by a distance of at least 0.5 times the out-of-plane lattice period of the three-dimensional photonic crystal in a direction in which layers including the columnar structures are stacked.
    • 至少一个示例性实施例涉及一种波导,其包括包括第一线性缺陷和第二线性缺陷的三维光子晶体。 第一线性缺陷设置在柱状结构的一部分,并且由不同于柱状结构的介质形成。 第二线性缺陷设置在沿着第一线性缺陷的纵向方向延伸的柱状结构的一部分处,并且由具有与用于柱状结构的介质的折射率不同的介质形成。 将第二线性缺陷与包含柱状结构的层的层叠方向上的三维光子晶体的面外晶格周期的至少0.5倍的距离与第一线性缺陷分开。
    • 4. 发明申请
    • THREE-DIMENSIONAL PERIODIC STRUCTURE INCLUDING ANTI-REFLECTION STRUCTURE AND LIGHT-EMITTING DEVICE
    • 三维周期结构,包括防反射结构和发光装置
    • US20090208166A1
    • 2009-08-20
    • US12368728
    • 2009-02-10
    • Kiyokatsu IkemotoAkinari Takagi
    • Kiyokatsu IkemotoAkinari Takagi
    • G02B6/12G02B6/26
    • G02B6/1225B82Y20/00G02B6/14
    • The three-dimensional structure includes a first waveguide (line defect) in a three-dimensional photonic crystal formed by periodically arranging first and second media, which causes light to propagate therein in a first guide mode, a second waveguide (line defect) in the three-dimensional photonic crystal, which causes light to propagate therein in a second guide mode, reflective portions provided in the first and second waveguides to reflect parts of the lights propagating in the first and second waveguides, and a first region connected to the second waveguide so as to cause at least part of the light that has propagated in the second waveguide via the reflective portion to propagate therein in a third guide mode. The reflective portions are formed of media having refractive indexes different from those the first and second waveguides. Each reflective portion has a homogeneous refractive index distribution in an entire section orthogonal to a waveguide-extending direction.
    • 三维结构包括通过周期性地布置第一和第二介质而形成的三维光子晶体中的第一波导(线缺陷),其使光在第一引导模式中传播,第二波导(线缺陷) 三维光子晶体,其使光在第二引导模式中传播;反射部,设置在第一和第二波导中,以反射在第一和第二波导中传播的光的一部分,以及连接到第二波导的第一区域 以便使得经由反射部分在第二波导中传播的至少一部分光在第三引导模式中传播。 反射部分由具有不同于第一和第二波导的折射率的介质形成。 每个反射部分在与波导延伸方向正交的整个部分中具有均匀的折射率分布。