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公开(公告)号：US5975701A
公开(公告)日：1999-11-02
申请号：US76893
申请日：1998-05-13
申请人： Akinari Takagi , Hiroshi Iijima
发明人： Akinari Takagi , Hiroshi Iijima
CPC分类号： A61B3/117
摘要： An ophthalmologic apparatus is provided which comprises a slit light projecting optical system (60) for projecting a slit beam of light from an oblique direction onto the cornea (C) of a subject's eye, a light receiving optical system (70) for receiving light reflected by the cornea (C), a corneal thickness measuring circuit (74) for measuring the thickness of the cornea from information on the received light of the light receiving optical system (70), an index light projecting optical system (90) for projecting from an oblique direction onto the cornea (C) an index beam of light having a larger width than the slit beam, and a line sensor (72) for receiving the index beam reflected by the cornea (C).
摘要翻译： 提供一种眼科装置，其包括：狭缝光投射光学系统（60），用于将狭缝光束从倾斜方向投射到被检眼的角膜（C）上;光接收光学系统（70），用于接收反射的光 通过所述角膜（C），角膜厚度测量电路（74），用于根据所述受光光学系统（70）的接收光的信息测量所述角膜的厚度;指示光投射光学系统（90），用于从 在角膜（C）上的倾斜方向（C）具有比狭缝光束宽的宽度的折射光束，以及用于接收由角膜（C）反射的折射光束的线传感器（72）。
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公开(公告)号：US5708494A
公开(公告)日：1998-01-13
申请号：US564569
申请日：1995-11-28
申请人： Hiroshi Iijima , Akinari Takagi
发明人： Hiroshi Iijima , Akinari Takagi
摘要： An ophthalmological instrument is provided in which optical members can be satisfactorily cleaned, the times for cleaning can be reduced and reliability of measuring accuracy can be improved. An alignment between a cornea (C) of an eye (E) to be tested and an instrument body is detected by projecting an alignment detecting light toward the cornea (C) through alignment detecting optical systems (30, 40) and receiving a luminous flux reflected on the cornea (C) through a light receiving sensor (45). A working distance between the cornea (C) and the instrument body is detected projecting a working distance detecting light toward the cornea (C) through working distance detecting optical systems (50, 60) and receiving a luminous flux reflected on the cornea (C) by a light receiving sensor (63). Part of optical paths of the alignment detecting optical systems (30, 40) and the working distance detecting optical systems (50, 60) are not used in common. Dirt stuck to optical members arranged in part of the optical paths which are used in common is detected in accordance with signals from the light receiving sensors (45, 63).
摘要翻译： 提供了一种眼科仪器，其中光学构件可以令人满意地清洁，可以降低清洁时间，并且可以提高测量精度的可靠性。 通过对准检测光学系统（30,40）将对准检测光投射到角膜（C），并且接收光通量来检测待测试的眼睛（E）的角膜（C）与仪器主体之间的对准 通过光接收传感器（45）在角膜（C）上反射。 检测角膜（C）和仪器主体之间的工作距离，通过工作距离检测光学系统（50,60）将工作距离检测光投影到角膜（C），并接收在角膜（C）上反射的光通量， 通过光接收传感器（63）。 对准检测光学系统（30,40）和工作距离检测光学系统（50,60）的光路的一部分不被共同使用。 根据来自光接收传感器（45,63）的信号，检测粘附到被布置在一部分光路中的光学部件的污垢。
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公开(公告)号：US5682224A
公开(公告)日：1997-10-28
申请号：US548155
申请日：1995-10-25
申请人： Akinari Takagi , Hiroshi Iijima
发明人： Akinari Takagi , Hiroshi Iijima
摘要： An alignment luminous flux is projected toward the cornea of an eye-to-be-detected by an alignment light projecting optical system. The alignment luminous flux reflected by the cornea is imaged on two light receiving means by an alignment light imaging optical system one of which light receiving means is disposed on the front side of an light collecting position adjacent to the cornea when the cornea is in a correct working distance and the other of which is on the back side.
摘要翻译： 对准光束通过对准投光光学系统投射到被眼睛的眼睛的角膜上。 由角膜反射的对准光束通过对准光成像光学系统在两个光接收装置上成像，其中一个光接收装置设置在与角膜相邻的光收集位置的前侧，当角膜处于正确的位置时 工作距离，另一个在背面。
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公开(公告)号：US5989195A
公开(公告)日：1999-11-23
申请号：US84590
申请日：1998-05-27
申请人： Hiroshi Iijima , Akinari Takagi
发明人： Hiroshi Iijima , Akinari Takagi
摘要： A noncontact tonometer is provided which is capable of intercepting out-of-axis light of an index beam of light and performing precise alignment. The noncontact tonometer includes an index projecting optical system for projecting an index frontally onto a subject's eye (E) through a nozzle (12) through which gas is also is sprayed upon the eye (E). The index projecting optical system has a projection lens (27) and a diaphragm (23) disposed at a position conjugated to an end surface (F) of the nozzle (12) on the side of the projection lens (27). The diaphragm (23) intercepts rays of light traveling out of an optical axis, and enables precise alignment.
摘要翻译： 提供了一种非接触式眼压计，其能够截取索引光束的轴外光并执行精确对准。 非接触式眼压计包括一个折射率投影光学系统，用于通过喷嘴（12）向前方投射一个指标，该喷嘴（12）也喷射在眼睛（E）上。 折射率投影光学系统具有投影透镜（27）和隔膜（23），其设置在与投影透镜（27）一侧的喷嘴（12）的端面（F）共轭的位置处。 隔膜（23）拦截从光轴移出的光线，并能够精确对准。
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5.发明授权公开(公告)号：US09562993B2
公开(公告)日：2017-02-07
申请号：US13422357
申请日：2012-03-16
申请人： Akinari Takagi
发明人： Akinari Takagi
CPC分类号： G02B5/0221 , B29D11/00798 , G02B5/0226
摘要： There is provided a method of manufacturing a refractive index distribution structure having a plurality of microparticles, suppressing density unevenness between the plurality of microparticles, capable of obtaining uniform in-plane characteristics, and capable of maintaining stability and high reproducibility. The method of manufacturing a refractive index distribution structure includes manufacturing a plurality of core-shell microparticles including a shell and a core microparticle contained in the shell, the core microparticle being made of a material having a refractive index higher than the material forming the shell and having the same core diameter, and the shell having a different shell thickness; and forming a refractive index distribution structure by arranging the plurality of core-shell microparticles on a substrate.
摘要翻译： 提供一种制造具有多个微粒的折射率分布结构的方法，其抑制多个微粒之间的浓度不均匀性，能够获得均匀的面内特性，并且能够保持稳定性和高再现性。 制造折射率分布结构的方法包括制造包含壳中包含的壳和芯微粒的多个核壳微粒，芯微粒由折射率高于形成壳的材料的材料制成， 具有相同的芯直径，壳体具有不同的壳厚度; 以及通过将多个核 - 壳微粒布置在基底上来形成折射率分布结构。
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公开(公告)号：US07751669B2
公开(公告)日：2010-07-06
申请号：US11558563
申请日：2006-11-10
CPC分类号： G02B6/1225 , B82Y20/00
摘要： 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.
摘要翻译： 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。
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7.发明申请THREE-DIMENSIONAL PERIODIC STRUCTURE INCLUDING ANTI-REFLECTION STRUCTURE AND LIGHT-EMITTING DEVICE 审中-公开三维周期结构，包括防反射结构和发光装置公开(公告)号：US20090208166A1
公开(公告)日：2009-08-20
申请号：US12368728
申请日：2009-02-10
申请人： Kiyokatsu Ikemoto , Akinari Takagi
发明人： Kiyokatsu Ikemoto , Akinari Takagi
CPC分类号： G02B6/1225 , B82Y20/00 , G02B6/14
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US07313307B2
公开(公告)日：2007-12-25
申请号：US11558561
申请日：2006-11-10
IPC分类号： G02B6/10
CPC分类号： G02B6/1225 , B82Y20/00 , G02B6/12007 , H01S5/10 , H01S5/105 , H01S5/34 , H01S5/36
摘要： At least one exemplary embodiment is directed to a waveguide including a plurality of linear defects of a three-dimensional photonic crystal, the plurality of linear defects include a first defect formed by changing the medium of some of columnar structures to a medium different from that of the columnar structures and a second linear defect formed by shifting the position or changing the shape of some of the columnar structures extending in the same direction as the first linear defect, and the first linear defect and the second linear defect are disposed apart by 0.5 times the out-of-plane lattice period or more in the stacking direction of the three-dimensional photonic crystal.
摘要翻译： 至少一个示例性实施例涉及包括三维光子晶体的多个线性缺陷的波导，所述多个线性缺陷包括通过将一些柱状结构的介质改变为不同于 柱状结构和通过使与位于第一线性缺陷相同的方向延伸的一些柱状结构的位置或形状变化而形成的第二线性缺陷与第一线性缺陷和第二线性缺陷分开设置0.5倍 在三维光子晶体的层叠方向上的面外晶格周期以上。
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公开(公告)号：US07209622B2
公开(公告)日：2007-04-24
申请号：US11446783
申请日：2006-06-05
CPC分类号： B82Y20/00 , G02B6/1225 , H01S5/105
摘要： Provided is a resonator using a three-dimensional photonic crystal. In the resonator, a range of choice of a resonance wavelength is wide and a desirable electric field distribution is obtained. The resonator according to the present invention includes a plurality of point defects provided in the three-dimensional photonic crystal. At least one of the plurality of point defects does not include a eigenmode in a photonic band gap of the three-dimensional photonic crystal.
摘要翻译： 提供了一种使用三维光子晶体的谐振器。 在谐振器中，谐振波长的选择范围宽，获得期望的电场分布。 根据本发明的谐振器包括在三维光子晶体中提供的多个点缺陷。 多个点缺陷中的至少一个不包括三维光子晶体的光子带隙中的本征模。
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公开(公告)号：US20060083477A1
公开(公告)日：2006-04-20
申请号：US11250747
申请日：2005-10-14
申请人： Akinari Takagi , Hikaru Hoshi , Kiyokatsu Ikemoto
发明人： Akinari Takagi , Hikaru Hoshi , Kiyokatsu Ikemoto
IPC分类号： G02B6/00
CPC分类号： B82Y20/00 , G02B6/1225 , H01S5/10
摘要： A resonator is provided which is produced by a defect formed in a three-dimensional photonic crystal. The three-dimensional photonic crystal can include layers containing a plurality of columnar structures with discrete structures in sublayers.
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