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    • 1. 发明专利
    • Waveguide and device having the same
    • 波导和具有相同功能的设备
    • JP2007133331A
    • 2007-05-31
    • JP2005329024
    • 2005-11-14
    • Canon Incキヤノン株式会社
    • IKEMOTO MASAOTAKAGI AKINARIHOSHI HIKARINOHAYASHI KAZUYANUMATA AKIHIKO
    • G02B6/12G02B6/122H01S5/12
    • G02B6/1225B82Y20/00
    • PROBLEM TO BE SOLVED: To obtain a waveguide using a three-dimensional photonic crystal that can guide light with a single mode and with a mode having an electromagnetic field intensity distribution of a single peak nature in a plane vertical to the light guiding direction and that can guide light in a desired frequency band. SOLUTION: The waveguide is provided with a three-dimensional photonic crystal and a plurality of linear defective parts that disturb frequency in the three-dimensional photonic crystal. In the three-dimensional photonic crystal, a first layer to a fourth layer are successively laminated. The defective parts are composed of: a first defective part which is formed by making a part of the region having the columnar structure of the first layer to be a region with a medium that is different from that of the columnar structure or a region with no columnar structure existing; and a second defective part in which a part of the columnar structure, situated in a layer different from the first layer and extended in the same direction as the columnar structure of the first layer, is formed with a medium having a refractive index different from that of the medium of other columnar structures extending in the same direction as the columnar structure of the first layer. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了获得使用能够以单一模式引导光的三维光子晶体的波导,并且具有在垂直于导光的平面中具有单峰性质的电磁场强度分布的模式 方向,并且可以将光引导到期望的频带。 解决方案:波导设置有三维光子晶体和多个干扰三维光子晶体中的频率的线性缺陷部分。 在三维光子晶体中,依次层叠第一层至第四层。 缺陷部分由以下部分组成:通过使具有第一层的柱状结构的区域的一部分成为具有与柱状结构不同的介质的区域而形成的第一缺陷部分 柱状结构存在; 以及第二有缺陷部分,其中形成具有与第一层不同的层并且沿与第一层的柱状结构相同的方向延伸的一部分柱状结构的折射率不同的介质。 的其他柱状结构的介质沿与第一层的柱状结构相同的方向延伸。 版权所有(C)2007,JPO&INPIT
    • 3. 发明专利
    • Imaging position compensation optical system, scanning optical system including optical system, image forming apparatus, image pickup device, and image projection device
    • 成像位置补偿光学系统,包括光学系统,图像形成装置,图像拾取装置和图像投影装置的扫描光学系统
    • JP2012242721A
    • 2012-12-10
    • JP2011114496
    • 2011-05-23
    • Canon Incキヤノン株式会社
    • HOSHI HIKARI
    • G02B26/10B41J2/44G02B15/16G02B26/12G03B17/02G03B21/00G03B21/14
    • PROBLEM TO BE SOLVED: To provide an imaging position compensation optical system and the like capable of compensating fluctuation in imaging position by a compact and simple configuration dispensing with a feedback system.SOLUTION: The imaging position compensation optical system for compensating fluctuation in imaging position includes: a plurality of optical elements disposed along an optical axis of the imaging position compensation optical system; and a plurality of support members for supporting the plurality of optical elements respectively. The optical element includes an optical plane having a shape plane-symmetric to a symmetry plane including the optical axis of the imaging position compensation optical system and a symmetry axis perpendicular to the optical axis. The relative positions of the plurality of optical elements are changed along the symmetry axis by volume changes in the support members so as to compensate the fluctuation in the imaging position.
    • 要解决的问题:提供能够通过紧凑且简单的配置分配反馈系统来补偿成像位置的波动的成像位置补偿光学系统等。 解决方案:用于补偿成像位置波动的成像位置补偿光学系统包括:沿成像位置补偿光学系统的光轴设置的多个光学元件; 以及分别用于支撑所述多个光学元件的多个支撑构件。 光学元件包括具有与包括成像位置补偿光学系统的光轴和垂直于光轴的对称轴的对称平面对称的形状的光学平面。 多个光学元件的相对位置沿支撑构件的体积变化沿对称轴改变,以补偿成像位置的波动。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Current injection type light control element using 3-dimensional photonic crystal structure and light control device
    • 使用三维光子晶体结构和灯光控制装置的电流注入型光控制元件
    • JP2009231630A
    • 2009-10-08
    • JP2008076634
    • 2008-03-24
    • Canon Incキヤノン株式会社
    • HOSHI HIKARITAKAGI AKINARI
    • H01S5/34G02F1/025H01S5/183H01S5/50
    • PROBLEM TO BE SOLVED: To precisely control a current confinement region in a current injection type light control element which uses a 3-dimensional photonic crystal structure.
      SOLUTION: A light control element 4 has: a 3-dimensional photonic crystal 41 of a plurality of laminated periodical structure layers each including a plurality of first structures periodically arranged, at least one discrete structure layer including a plurality of second structures discretely arranged being disposed therebetween; an active part 42 located in the interior of the crystal; and electrodes 46, 47 contacting the conductive material parts of the crystal. The plurality of second structures are made of 2 or more different conductive materials. The second structures made of at least one conductive material, having a resistance higher than the other second structures are arranged so as to make the carriers concentrate, and to guide the concentrated carriers from current injection electrodes to the active part.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:精确地控制使用3维光子晶体结构的电流注入型光控制元件中的电流限制区域。 解决方案:光控制元件4具有:多个层叠周期性结构层的三维光子晶体41,每个层叠周期性结构层包括周期性排列的多个第一结构,至少一个离散结构层,包括多个第二结构离散地 布置在其间; 位于晶体内部的活性部分42; 以及与晶体的导电材料部分接触的电极46,47。 多个第二结构由2种或更多种不同的导电材料制成。 布置具有比其他第二结构高的电阻的至少一种导电材料制成的第二结构,以使载流子集中,并将浓缩的载流子从电流注入电极引导到活性部分。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Three-dimensional photonic crystal and functional element having the same
    • 三维光子晶体和功能元件
    • JP2007121523A
    • 2007-05-17
    • JP2005311260
    • 2005-10-26
    • Canon Incキヤノン株式会社
    • TAKAGI AKINARINOHAYASHI KAZUYAHOSHI HIKARIIKEMOTO MASAO
    • G02B1/02G02B6/12H01S5/12
    • G02B6/1225B82Y20/00
    • PROBLEM TO BE SOLVED: To obtain a three-dimensional photonic crystal which brings about an satisfactory photonic band gap over a wide frequency band, and moreover, which is easy to manufacture. SOLUTION: The three-dimensional photonic crystal comprises a plurality of layers which include a periodic refractive index structure and which are periodically laminated, and has a first layer composed of a periodic structure based on a rectangular grating 1, having a period a along a first axis in an in-plane direction of the layer and a period b along a second axis, normal to the first axis, in the in-plane direction of the layer, a second layer comprising a periodic structure, formed at a position corresponding to displacement of the rectangular grating 1 by -3b/8 along the first axis; a third layer comprising a periodic structure formed on a position, corresponding to displacement of the periodic structure included in the first layer by a/2 along the first axis and by b/2 along the second axis, with respect to the first layer in the in-plane direction of the layer; and a fourth layer having the periodic structure included in the second layer, formed on the same position as the second layer in the in-plane direction of the layer, wherein the refractive indexes of media in the respective layers are respectively set suitably. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:获得在宽频带上带来令人满意的光子带隙的三维光子晶体,而且易于制造。 解决方案:三维光子晶体包括包括周期性折射率结构并且周期性层叠的多个层,并且具有由基于矩形光栅1的周期性结构构成的第一层,其具有周期a 沿着所述层的面内方向的第一轴线和沿所述层的面内方向的垂直于所述第一轴线的第二轴线的周期b,包括周期性结构的第二层,形成在位置 对应于矩形光栅1沿着第一轴的位移-3b / 8; 第三层,包括形成在一个位置上的周期性结构,该周期结构对应于包含在第一层中的周期性结构沿着第一轴线移动a / 2并沿着第二轴线以b / 2的位移相对于第一层中的第一层 层的面内方向; 以及具有包括在第二层中的周期性结构的第四层,其形成在与层的面内方向上的与第二层相同的位置,其中各层中的介质的折射率分别适当地设定。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Three-dimensional periodic structure and functional element including the same
    • 三维周期结构及其功能元素
    • JP2006065273A
    • 2006-03-09
    • JP2005016792
    • 2005-01-25
    • Canon Incキヤノン株式会社
    • TAKAGI AKINARIIKEMOTO MASAOHOSHI HIKARI
    • G02B1/02G02B6/12G02B6/122H01S5/12
    • G02B6/1225B82Y20/00
    • PROBLEM TO BE SOLVED: To provide a three-dimensional periodic structure exhibiting a complete photonic band gap in a wide wavelength range and being easily produced, and a functional element including the same. SOLUTION: In the three-dimensional periodic structure exhibiting the photonic band gap, layers composed of a plurality of columnar structures spaced at predetermined intervals are stacked sequentially with additional layers therebetween. Discrete structures contained in the additional layers are disposed at the positions corresponding to the intersections of the columnar structures, and the area of substantially all of the discrete structures is larger than the area of the intersection region of the above columnar structures. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供在宽波长范围内表现出完全光子带隙并容易制造的三维周期性结构,以及包括其的功能元件。 解决方案:在呈现光子带隙的三维周期结构中,由以预定间隔隔开的多个柱状结构构成的层依次层叠,并且其间具有附加层。 包含在附加层中的离散结构设置在与柱状结构的交点相对应的位置处,并且基本上所有离散结构的面积大于上述柱状结构的交叉区域的面积。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Waveguide and device having the same
    • 波导和具有相同功能的设备
    • JP2007133332A
    • 2007-05-31
    • JP2005329025
    • 2005-11-14
    • Canon Incキヤノン株式会社
    • IKEMOTO MASAOTAKAGI AKINARIHOSHI HIKARINOHAYASHI KAZUYANUMATA AKIHIKO
    • G02B6/12G02B6/122H01S5/12
    • G02B6/1225B82Y20/00G02B6/12007H01S5/10H01S5/105H01S5/34H01S5/36
    • PROBLEM TO BE SOLVED: To obtain a waveguide capable of guiding light with a single mode and a mode having desired intensity distribution in a desired frequency band. SOLUTION: Figures (b)-(d) are an xy cross section of a waveguide structure B in sections i, ii and iii respectively. The waveguide structure B has a linear defective part (a first linear defective part) 20 extending in the y axis direction inside a woodpile structure. It also includes second linear defective parts 200-203 which are situated in a layer different from the one where the linear defective part 20 is formed and which are formed by altering a part of the columnar structure extending in the y axis direction. The first linear defective part 20 is a region with no columnar structure exists, a part of which is removed in the first layer 101. The second linear defective parts 200-203 are those with the columnar structure width varied in a part of the columnar structure in a third layer 103; in other words, those with the shapes varied. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:获得能够以单一模式引导光的波导和在期望的频带中具有期望的强度分布的模式。 解决方案:图(b) - (d)分别是部分i,ii和iii中的波导结构B的xy横截面。 波导结构B具有在木质结构内部沿y轴方向延伸的线性缺陷部(第一线性缺陷部)20。 它还包括第二线性缺陷部分200-203,其位于与形成线性缺陷部分20的层不同的层中,并且通过改变在y轴方向上延伸的一部分柱状结构而形成。 第一线性缺陷部分20是不存在柱状结构的区域,其一部分在第一层101中被去除。第二线性缺陷部分200-203是在柱状结构的一部分中柱状结构宽度变化的部分 在第三层103中; 换句话说,形状各异的那些。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • Method of manufacturing three-dimensional photonic crystal
    • 制造三维光子晶体的方法
    • JP2006313267A
    • 2006-11-16
    • JP2005136282
    • 2005-05-09
    • Canon Incキヤノン株式会社
    • NOHAYASHI KAZUYATAKAGI AKINARIHOSHI HIKARIIKEMOTO MASAO
    • G02B1/02G02B5/20G02B6/12G02B6/13H01S5/10
    • G02B6/10B82Y20/00G02B6/1225G02B6/13
    • PROBLEM TO BE SOLVED: To provide a method of easily manufacturing a photonic crystal in which a central wavelength of photonic band gap is available with high accuracy. SOLUTION: The method of manufacturing the three-dimensional photonic crystal includes a process A in which the thickness of a layer is formed and a process B in which a predetermined periodic refractive index structure is formed in the layer by laminating a plurality of predetermined periodic refractive index structure layers. The method also includes an adjustment process in which the thickness of the respective layers or the shape of the periodic refractive index structure in the layer is controlled so that the respective layers satisfy the condition neff1×H1×M=neff×H, where H1 stands for the thickness of the layer including the periodic refractive index structure, neff1 stands for the effective refractive index of the periodic refractive index structure, H stands for the designed thickness of the layer including the periodic refractive index structure and neff stands for the designed effective refractive index of the periodic refractive index structure in the three-dimensional photonic crystal having the photonic band gap in a predetermined wavelength band, and coefficient M satisfies the relation 0.5≤M≤2.0. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种容易制造光子晶体的方法,其中光子带隙的中心波长以高精度可用。 解决方案:制造三维光子晶体的方法包括其中形成层的厚度的工艺A和其中通过层叠多个层压形成预定的周期性折射率结构的工艺B 预定的周期性折射率结构层。 该方法还包括调整处理,其中控制各层的厚度或周期性折射率结构的形状,使得各层满足条件neff1×H1×M = neff×H,其中H1为 对于包括周期性折射率结构的层的厚度,neff1表示周期性折射率结构的有效折射率,H表示包括周期性折射率结构的层的设计厚度,neff表示设计的有效折射率 具有预定波长带中的光子带隙的三维光子晶体中的周期性折射率结构的折射率,系数M满足关系式0.5≤M≤2.0。 版权所有(C)2007,JPO&INPIT