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公开(公告)号：US06823106B2
公开(公告)日：2004-11-23
申请号：US10260404
申请日：2002-10-01
IPC分类号： G02B628
CPC分类号： G02B6/29307 , G02B6/272 , G02B6/2773 , G02B6/2931 , G02B6/29313 , G02B6/2938 , G02B6/29395
摘要： The present invention relates to an optical multiplexer/demultiplexer. In the multiplexer/demultiplexer, a first grating receives to diffract a multi-wavelength light signal from a first port into light signals with different wavelengths. A second grating diffracts these light signals towards second ports. The second grating is disposed parallel with the first grating. The second grating has the same grating interval and grating direction as the first grating. The light signals diffracted by the second grating travel parallel with each other. Therefore, the light signals can efficiently enter the second ports without sophisticated lens design and adjustment of the optical system.
摘要翻译： 本发明涉及一种光复用器/解复用器。 在多路复用器/解复用器中，第一光栅接收将来自第一端口的多波长光信号衍射成具有不同波长的光信号。 第二光栅将这些光信号衍射到第二端口。 第二光栅与第一光栅平行设置。 第二光栅具有与第一光栅相同的光栅间隔和光栅方向。 由第二光栅衍射的光信号彼此平行行进。 因此，光信号可以有效地进入第二端口，而无需光学系统的复杂的透镜设计和调整。
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公开(公告)号：US06665472B2
公开(公告)日：2003-12-16
申请号：US09964839
申请日：2001-09-28
IPC分类号： G02B634
CPC分类号： G02B6/0208 , G02B6/02095 , G02B6/29319
摘要： An optical filter has a first long-period grating and a second long-period grating formed in a unitary optical fiber. A difference is not less than 100 nm between a wavelength at which optical coupling is maximum between core-mode light and cladding-mode light of a predetermined mode number in the first long-period grating and a wavelength at which optical coupling is maximum between core-mode light and cladding-mode light of the same mode number as the cladding-mode light of the predetermined mode number, in the second long-period grating. This optical filter can be constructed in compact size and can readily implement a desired transmission characteristic.
摘要翻译： 滤光器具有形成在单一光纤中的第一长周期光栅和第二长周期光栅。 核心模式光与第一长周期光栅中的预定模数的包层模式光之间的光耦合最大的波长与核心之间的光耦合最大的波长的差别不小于100nm 在第二长周期光栅中具有与预定模数的包层模式光相同模数的模光和包层模光。 该滤光器可以构造成紧凑的尺寸并且可以容易地实现期望的传输特性。
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公开(公告)号：US06927913B2
公开(公告)日：2005-08-09
申请号：US10417251
申请日：2003-04-17
IPC分类号： G02F1/09 , G02B6/34 , G02F1/31 , H04B10/00 , H04B10/27 , H04B10/29 , H04J14/00 , H04J14/02 , G02B27/44 , G02B5/18
CPC分类号： G02B6/272 , G02B6/276 , G02B6/29311 , H04J14/02
摘要： An optical signal processing apparatus has a diffraction grating element, first condenser lens, Faraday rotation elements, polarization beam splitter, λ/2 plate, second condenser lens, third condenser lens, and diffraction grating element. The magnitude of a magnetic field of each of the Faraday rotation elements is controlled on the basis of an externally input control signal. The rotation angle of the plane of polarization of signal light is set to 0 or λ/2 in accordance with the magnitude of the magnetic field. Each Faraday rotation element receives signal light having wavelengths λ1 to λ4, which has arrived from the first condenser lens, and outputs the signal light as a polarized light component in the first azimuth (parallel to the z-axis direction) or second azimuth (parallel to the y-axis direction).
摘要翻译： 光信号处理装置具有衍射光栅元件，第一聚光透镜，法拉第旋转元件，偏振光束分离器，λ/ 2板，第二聚光透镜，第三聚光透镜和衍射光栅元件。 基于外部输入的控制信号来控制每个法拉第旋转元件的磁场的大小。 信号光的偏振面的旋转角度根据磁场的大小被设定为0或λ/ 2。 每个法拉第旋转元件接收从第一聚光透镜到达的波长λ1至λ4λ的信号光，并将信号光作为偏振光分量输出到 第一方位（平行于z轴方向）或第二方位角（平行于y轴方向）。
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公开(公告)号：US06823114B2
公开(公告)日：2004-11-23
申请号：US10386605
申请日：2003-03-13
IPC分类号： G02B634
CPC分类号： G02B6/2931 , G02B6/2938
摘要： This invention provides an optical signal processing apparatus capable of size reduction. When signal light with multiple wavelengths &lgr;1 to &lgr;4 is collimated by and output from a fiber collimator, the signal light components with multiple wavelengths &lgr;1 to &lgr;4 are diffracted by a diffraction grating at diffraction angles corresponding to the wavelengths and separated for the respective wavelengths. The separated signal light components of the respective wavelengths are output to spatially different optical paths. The signal light components having the wavelengths &lgr;n are deflected at their optical paths by prisms to increase the optical path interval and then input to fiber collimators.
摘要翻译： 本发明提供能够减小尺寸的光信号处理装置。 当具有多个波长λ1至λ4的信号光由光纤准直仪准直和输出时，具有多个波长λ1至λ4的信号光分量被衍射光栅衍射，衍射光栅以对应于波长的衍射角衍射并为各波长分离。 各个波长的分离的信号光分量输出到空间不同的光路。 具有波长lambdan的信号光分量在其光路上由棱镜偏转以增加光程间隔，然后输入到光纤准直仪。
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公开(公告)号：US06810170B2
公开(公告)日：2004-10-26
申请号：US10458374
申请日：2003-06-11
申请人： Michiko Takushima , Tomomi Sano , Hiroshi Suganuma
发明人： Michiko Takushima , Tomomi Sano , Hiroshi Suganuma
IPC分类号： G02B628
CPC分类号： G02B6/29307 , G02B6/29313 , G02B6/2938
摘要： Light output from the distal end of an optical fiber collimator is input to a first diffraction grating formed on a first surface of a transparent member, and diffracted by the first diffraction grating at angles corresponding to wavelengths, and thus wavelength-branched. The light components of the respective wavelengths branched by the first diffraction grating and having propagated through the transparent member, are diffracted by a second diffraction grating formed on a second surface of the transparent member, and output from the transparent member. Each of the light components of the respective wavelengths, which are diffracted by the second diffraction grating and output from the transparent member, is input to the distal end of a corresponding one of optical fiber collimators, focused, and propagates through the optical fiber.
摘要翻译： 从光纤准直器的远端输出的光输入到形成在透明构件的第一表面上的第一衍射光栅，并由第一衍射光栅以对应于波长的角度衍射，因此波长分支。 由第一衍射光栅分支且已经透过透明构件的各波长的光分量被形成在透明构件的第二表面上的第二衍射光栅衍射，并从透明构件输出。 通过第二衍射光栅衍射并从透明构件输出的各个波长的每个光分量被输入到相应的一个光纤准直器的远端，聚焦并且传播通过光纤。
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公开(公告)号：US06892003B2
公开(公告)日：2005-05-10
申请号：US10114321
申请日：2002-04-03
申请人： Makoto Katayama , Toshiaki Okuno , Masayuki Nishimura , Tomomi Sano , Masakazu Shigehara , Hiroshi Suganuma , Toru Iwashima , Tomohiko Kanie
发明人： Makoto Katayama , Toshiaki Okuno , Masayuki Nishimura , Tomomi Sano , Masakazu Shigehara , Hiroshi Suganuma , Toru Iwashima , Tomohiko Kanie
CPC分类号： H04B10/25133
摘要： An optical signal, which is to become the subject of dispersion compensation, is split by optical combining/splitting unit 2, and each frequency component of the optical signal that is split is reflected by the corresponding reflective mirror 30 included in reflective mirror group 3 to apply a predetermined phase shift to the respective frequency components Each reflected frequency component is then combined using optical combining/splitting unit 2, to give dispersion compensated optical signal Furthermore, in regards to reflective mirror group 3, which is used to apply phase shift to each frequency component of an optical signal, each of the respective plurality of reflective mirrors 30 is made a movable mirror having a movable reflection position that reflects the frequency components. Through this, dispersion that develops in an optical signal may be compensated with favorable controllability and high accuracy. Therefore, the precision and controllability of dispersion compensation will become superior, and realized is a variable dispersion compensator having a miniaturized optical circuit, and an optical transmission system comprising such variable dispersion compensator,
摘要翻译： 要成为色散补偿的对象的光信号被光学合成/分离单元2分离，并且被分离的光信号的每个频率分量被包括在反射镜组3中的相应的反射镜30反射到 对相应的频率分量施加预定的相移。然后使用光学合成/分离单元2组合每个反射频率分量，以产生色散补偿的光信号。此外，关于反射镜组3，其用于将相移施加到每个 光信号的频率分量，各个反射镜30中的每一个被制成具有反映频率分量的可移动反射位置的可移动反射镜。 由此，可以以良好的可控性和高精度补偿在光信号中产生的色散。 因此，色散补偿的精度和可控性将变得更好，并且实现了具有小型化光电路的可变色散补偿器和包括这种可变色散补偿器的光传输系统，
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公开(公告)号：US20130092062A1
公开(公告)日：2013-04-18
申请号：US13703737
申请日：2011-01-17
IPC分类号： F23J11/00
CPC分类号： F23J11/00 , F23C9/08 , F23C99/00 , F23C2202/10 , F23L7/007 , F23L2900/07001 , Y02E20/322 , Y02E20/344
摘要： A combustion system capable of decreasing nitrogen oxide discharged from exhaust gas is provided. The combustion system includes: a combustion furnace (2) having a burner unit (2a) for supplying fuel and combustion oxygen to the inside of the furnace, a reduction zone formed on a downstream side of the burner unit (2a) for combusting the fuel, and a combustion oxygen supply port (2b) for supplying combustion oxygen (21) so that unburned fuel which has passed the reduction zone completely combusts; and a smoke removal device (9) for removing smoke in the exhaust gas discharged from the combustion furnace (2). Part of exhaust gas (22) diverging from between the combustion furnace (2) and the smoke removal device (9) is introduced to the burner unit (2a), while part of exhaust gas (23) diverging from a downstream side of the smoke removal device (9) is introduced to the combustion oxygen supply port (2b).
摘要翻译： 提供能够减少从废气排出的氮氧化物的燃烧系统。 燃烧系统包括：具有用于向炉内供给燃料和燃烧氧的燃烧器单元（2a）的燃烧炉（2），形成在燃烧器单元（2a）的下游侧的用于燃烧燃料的还原区 和用于供给燃烧氧气（21）的燃烧用氧气供给口（2b），使得已经通过所述还原区域的未燃烧燃料完全燃烧; 以及用于除去从燃烧炉（2）排出的废气中的烟雾的除烟装置（9）。 从燃烧炉（2）和排烟装置（9）之间分流的废气（22）的一部分被引入燃烧器单元（2a），而排气（23）的一部分从烟雾的下游侧分叉 去除装置（9）被引入燃烧供氧口（2b）。
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公开(公告)号：US20110265735A1
公开(公告)日：2011-11-03
申请号：US12682682
申请日：2009-07-02
CPC分类号： F22B37/74 , F22B37/228 , F28F9/026 , F28F9/0275
摘要： A boiler structure that allows for an appropriate flow-rate distribution of an internal fluid to multiple divided furnace wall surfaces (water-wall) without excessive pressure loss so as to reduce the pressure loss (friction loss) occurring between furnace inlet headers and outlet headers is provided. In a boiler structure having a furnace water-wall (4) formed of multiple boiler evaporation tubes (3) disposed on a wall surface of a furnace and configured to generate steam by heating water inside the furnace when the water pressure-fed to the boiler evaporation tubes (3) flows inside the tubes, the boiler structure includes orifices (22), for an internal fluid, provided in inlet connection tubes (20) that guide the water to inlet headers (21) of furnace walls obtained by dividing the furnace water-wall (4) into multiple parts, and orifices (23) provided in nozzle stubs that guide the water from the inlet headers (21) to the boiler evaporation tubes (3).
摘要翻译： 一种锅炉结构，其允许内部流体适当的流量分配到多个分开的炉壁表面（水壁）而没有过多的压力损失，以便减少在炉入口集管和出口集管之间发生的压力损失（摩擦损失） 被提供。 在具有由多个锅炉蒸发管（3）形成的炉水壁（4）的锅炉结构中，所述多个锅炉蒸发管（3）设置在炉壁表面上，并且被配置为当压力供给到锅炉的水加热炉内的水时产生蒸汽 蒸发管（3）在管内流动，锅炉结构包括用于内部流体的孔口（22），其设置在入口连接管（20）中，导入管将水引导到炉壁的入口集管（21） 水壁（4）分成多个部分，以及设置在喷嘴短管中的引导水从入口集管（21）到锅炉蒸发管（3）的孔（23）。
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公开(公告)号：US20110126781A1
公开(公告)日：2011-06-02
申请号：US13056219
申请日：2009-07-02
IPC分类号： F24D19/00
CPC分类号： F22B21/02 , F22B35/108 , F22B35/12
摘要： Provided is a boiler structure that allows for appropriate flow-rate distribution for each furnace wall by using a simple configuration without any moving parts in a wide thermal-load range of a furnace from a partial load to a rated load. In a boiler structure having a furnace water-wall formed of multiple boiler evaporation tubes and configured to generate steam by heating water inside the furnace when the water that is pressure-fed to the boiler evaporation tubes flows inside the tubes, the boiler structure includes a pressure-loss adjusting section, for an internal fluid, provided in an outlet connection tube that connects outlets of water walls obtained by dividing the furnace water-wall into multiple parts.
摘要翻译： 提供了一种锅炉结构，其允许通过使用简单的构造来允许每个炉壁的适当的流量分布，在炉的宽热负荷范围内没有任何移动部件从部分负载到额定负载。 在具有由多个锅炉蒸发管形成的炉水壁构成的锅炉结构中，在通过加压到锅炉蒸发管的水流入管内时，通过对炉内的水进行加热来生成蒸汽，锅炉结构包括： 用于内部流体的压力损失调节部分，设置在将炉壁水分为多个部分而获得的水壁出口连接的出口连接管中。
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公开(公告)号：US20070244527A1
公开(公告)日：2007-10-18
申请号：US11633639
申请日：2006-12-05
申请人： Hitoshi Hatayama , Akira Inoue , Hiroshi Suganuma , Junji Kato
发明人： Hitoshi Hatayama , Akira Inoue , Hiroshi Suganuma , Junji Kato
IPC分类号： A61N5/067
CPC分类号： A61B18/22 , A61B2017/00084 , A61B2018/00791 , A61B2018/20351 , A61B2018/207 , A61B2018/2211 , A61C1/0007 , A61C1/0046 , A61N2005/0606 , A61N2005/0659 , A61N2005/0662 , A61N2005/067
摘要： A dental treatment apparatus is provided with an irradiation unit, a temperature detection unit and a control unit. The irradiation unit is constituted by N number of first light emitting elements S1 to SN, N number of first focusing lenses L1 to LN, and N number of optic fibers F1 to FN, combined on a 1:1 basis, and optic fibers Fn are bundled on the output side of the irradiation unit. The first light emitting element Sn is an element which outputs laser light having a specific wavelength λ within a range of 400 nm to 420 nm. The temperature detection unit is constituted by a non-contact temperature sensor and a wire. The non-contact temperature sensor detects the temperature at a site irradiated with laser light output from an emergent end.
摘要翻译： 牙科治疗装置设置有照射单元，温度检测单元和控制单元。 照射单元由N个第一发光元件S 1〜S N N构成，N个第一聚焦透镜L 1〜L〜L N 1，N个光纤F 1到F N 1，以1：1为单位组合，并且光纤F < n 捆扎在照射单元的输出侧。 第一发光元件S N是将具有特定波长λ的激光输出在400nm至420nm的范围内的元件。 温度检测单元由非接触式温度传感器和电线构成。 非接触式温度传感器检测从紧急端射出的激光照射的部位的温度。
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