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1. 发明申请

US20190154912A1 OPTICAL FIBER AND SLANTED FIBER GRATING 审中-公开
公开(公告)号：US20190154912A1
公开(公告)日：2019-05-23
申请号：US16192833
申请日：2018-11-16
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Shigehiro NAGANO , Manabu SHIOZAKI , Jun KINUGASA , Takemi HASEGAWA
IPC分类号： G02B6/02
摘要： An optical fiber is made of silica-based glass and includes a core, a first cladding that surrounds the core and that has a refractive index lower than a refractive index of the core; and a second cladding that surrounds the first cladding and that has a refractive index lower than the refractive index of the core and higher than the refractive index of the first cladding. At least a part of the first cladding contains a photosensitive material whose refractive index increases by irradiation with light having a specific wavelength. A difference Δn between a refractive index of a portion of the first cladding, the portion being nearest to the core, and the refractive index of the core is in a range of 0.25% to 0.30%. The radius ra of the core is larger than 4.3 μm and smaller than or equal to 5.0 μm.

2. 发明申请

US20160178166A1 LED MODULE AND LED LIGHTING FIXTURE 有权
标题翻译： LED模块和LED照明灯具
公开(公告)号：US20160178166A1
公开(公告)日：2016-06-23
申请号：US14910265
申请日：2014-08-06
申请人： SUMITOMO ELECTRIC PRINTED CIRCUITS, INC. , SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Kensaku MOTOKI , Yoshihiro AKAHANE , Hirohisa SAITO , Manabu SHIOZAKI
IPC分类号： F21V19/00 , F21V29/70 , F21K99/00
CPC分类号： F21V19/002 , F21K9/232 , F21V29/70 , F21Y2107/40 , F21Y2115/10 , H01L25/0753 , H01L2924/0002 , H01L2924/00
摘要： An LED module according to the present invention is an LED module including a plurality of light-emitting diodes, wherein the plural light-emitting diodes are disposed only on a lateral surface of a right cone, a right pyramid, a truncated right cone, or a truncated right pyramid; the lateral surface has an inclination angle of 55° or more and 82° or less with respect to a bottom surface; the plural light-emitting diodes have light-emitting surfaces substantially parallel to the lateral surface; and angles formed between projection lines of lines normal to light-emitting surfaces of adjacent light-emitting diodes or adjacent ones of grouped light-emitting diodes, the projection lines being drawn on the bottom surface, are all equal to each other and are 72° or less.
摘要翻译：根据本发明的LED模块是包括多个发光二极管的LED模块，其中所述多个发光二极管仅设置在右锥体，右棱锥体，截头右圆锥体的侧表面上，或者一个截断的右金字塔; 侧面相对于底面具有55°以上且82°以下的倾斜角度; 所述多个发光二极管具有基本上平行于所述侧面的发光面; 并且垂直于相邻发光二极管的发光面的线的投影线或在底面上绘制的投影线的相邻的分组发光二极管的投影线之间形成的角度都彼此相等，为72° 或更少。

3. 发明申请

US20170012408A1 QUANTUM CASCADE LASER 有权
标题翻译：量子CASCADE激光
公开(公告)号：US20170012408A1
公开(公告)日：2017-01-12
申请号：US15205610
申请日：2016-07-08
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Jun-ichi HASHIMOTO , Manabu SHIOZAKI , Hiroyuki YOSHINAGA
IPC分类号： H01S5/125 , H01S5/34 , H01S5/343 , H01S5/026
CPC分类号： H01S5/125 , H01S5/0014 , H01S5/02461 , H01S5/026 , H01S5/2224 , H01S5/2275 , H01S5/3401 , H01S5/3402 , H01S5/34313 , H01S5/34346
摘要： A quantum cascade laser includes a substrate having a principal surface; a laser body region disposed on the principal surface, the laser body region including a semiconductor laminate structure having an end facet, the laser body region having a waveguide structure extending along a waveguide axis; and a distributed Bragg reflection region disposed on the principal surface, the distributed Bragg reflection region including low and high refractive index portions that are alternately arranged in a direction of the waveguide axis. The end facet of the semiconductor laminate structure is optically coupled to the distributed Bragg reflection region. Each of the high refractive index portions includes a semiconductor wall including upper and lower portions that are arranged in a direction intersecting with the principal surface of the substrate. The principal surface is disposed between the upper and lower portions. The lower portion includes a part of the substrate.
摘要翻译：量子级联激光器包括具有主表面的衬底; 所述激光体区域设置在所述主表面上，所述激光体区域包括具有端面的半导体层叠结构，所述激光体区域具有沿着波导轴线延伸的波导结构; 以及配置在主表面上的分布式布拉格反射区域，分布式布拉格反射区域包括在波导轴线的方向上交替布置的低折射率部分和高折射率部分。半导体层叠结构的端面光学耦合到分布式布拉格反射区域。高折射率部分中的每一个包括半导体壁，该半导体壁包括沿与基板的主表面相交的方向布置的上部和下部。主表面设置在上部和下部之间。下部包括基板的一部分。

4. 发明申请

US20140368916A1 DISPERSIVE DEVICE AND WAVELENGTH SELECTIVE SWITCH 有权
标题翻译：分散设备和波长选择开关
公开(公告)号：US20140368916A1
公开(公告)日：2014-12-18
申请号：US14302180
申请日：2014-06-11
申请人： Sumitomo Electric Industries, Ltd.
发明人： Manabu SHIOZAKI , Hidehisa TAZAWA
IPC分类号： G02B27/42
CPC分类号： G02B27/4244 , G01J3/0286 , G01J3/14 , G01J3/1804 , G02B27/1006 , G02B27/4283
摘要： A dispersive device has a beam expanding optical system which includes first and second prisms each having a pair of faces inclined relative to each other, and expands light containing a plurality of wavelength components by passing the light through each of the faces of the first and second prisms; and a dispersive element which emits the light expanded by the beam expanding optical system, at different diffraction angles by the respective wavelength components. A direction of variation of an output angle of the light emitted from the beam expanding optical system due to temperature change is configured to be a direction to suppress variation of the diffraction angles of the respective wavelength components emitted from the dispersive element due to the temperature change.
摘要翻译：分散装置具有扩束光学系统，该光束扩展光学系统包括第一和第二棱镜，每个棱镜具有相对于彼此倾斜的一对面，并且通过使光穿过第一和第二透镜的每个面而使包含多个波长分量的光展开棱镜以及分散元件，其通过各个波长分量以不同的衍射角发射由扩束光学系统扩展的光。由于温度变化而从扩束光学系统发射的光的输出角度的变化方向被配置为抑制由于温度变化而从色散元件发射的各个波长分量的衍射角的变化的方向。

5. 发明申请

US20130135710A1 WAVELENGTH CONVERSION DEVICE AND LASER DEVICE 审中-公开
标题翻译：波长转换器件和激光器件
公开(公告)号：US20130135710A1
公开(公告)日：2013-05-30
申请号：US13670185
申请日：2012-11-06
申请人： Sumitomo Electric Industries, Ltd.
发明人： Shigehiro NAGANO , Manabu SHIOZAKI
IPC分类号： G02F1/35
CPC分类号： G02F1/353 , G02F1/37 , G02F2001/3503
摘要： The present invention relates to a wavelength conversion device and others. The wavelength conversion device is provided with an input port, a beam homogenizer, a wavefront aberration compensating element, and a nonlinear conversion element of a nonlinear optical crystal. The beam homogenizer forms a flat-top light intensity distribution of an output laser beam at a position different from a beam waist position thereof. Thereafter, the wavefront aberration compensating element outputs the laser beam coming from the beam homogenizer, as a phase-aligned collimated beam to the wavelength conversion element.
摘要翻译：本发明涉及一种波长转换装置等。波长转换装置具有输入端口，光束均化器，波前像差补偿元件和非线性光学晶体的非线性转换元件。光束均化器在不同于其光束腰部位置的位置处形成输出激光束的平顶光强度分布。此后，波前像差补偿元件将来自光束均化器的激光束作为相位对准的准直光束输出到波长转换元件。

6. 发明申请

US20210223468A1 SLANT-TYPE FIBER GRATING 有权
公开(公告)号：US20210223468A1
公开(公告)日：2021-07-22
申请号：US17223424
申请日：2021-04-06
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Shigehiro NAGANO , Manabu SHIOZAKI , Jun KINUGASA , Takemi HASEGAWA
IPC分类号： G02B6/02
摘要： One embodiment of the present disclosure relates to an SFG (slanted fiber grating) that can easily realize a high-performance gain equalizer. The SFG includes an optical fiber comprised of silica-based glass and including a core, a first cladding containing a photosensitive material, and a second cladding. A specific section between two different points arranged along a fiber axis in the optical fiber is configured with a first region, a pair of second regions, and a third region. The first region includes a slanted Bragg grating provided in a region as the first cladding. The pair of second regions are arranged to sandwich the first region. The third region is disposed to sandwich both the first region and the pair of second regions. An MFD at a wavelength of 1.55 μm in the third region is smaller than an MFD at a wavelength of 1.55 μm in the first region.

7. 发明申请

US20150358699A1 WAVELENGTH SELECTIVE SWITCH 有权
标题翻译：波长选择开关
公开(公告)号：US20150358699A1
公开(公告)日：2015-12-10
申请号：US14730529
申请日：2015-06-04
申请人： Sumitomo Electric Industries, Ltd.
发明人： Manabu SHIOZAKI , Kenichiro TAKAHASHI , Hidehisa TAZAWA
IPC分类号： H04Q11/00
CPC分类号： H04Q11/0005 , G02B6/29373 , G02B6/3512 , G02B6/356 , H04Q2011/0016 , H04Q2011/0026
摘要： A wavelength selective switch includes a dispersion optical system dispersing wavelength multiplexing light obtained by multiplexing the plurality of frequency components to the plurality of frequency components by giving a dispersion angle having nonlinear frequency dependency to each of a plurality of frequency components; a light deflection element deflecting the plurality of frequency components; a condensing element condensing the plurality of frequency components on the light deflection element; and a prism optical system optically coupled to the dispersion optical system and the condensing element, and adapting spatial positions of the frequency components incident on the light deflection element to change linearly for frequencies by linearizing the frequency dependency of the dispersion angles and making incident the plurality of frequency components on the condensing element.
摘要翻译：波长选择开关包括分散光学系统，其通过对多个频率分量中的每一个给出具有非线性频率依赖性的色散角来分散通过将多个频率分量复用到多个频率分量而获得的波长多路复用光; 偏转所述多个频率分量的光偏转元件; 聚光元件，聚光在所述光偏转元件上的所述多个频率分量; 以及光学耦合到色散光学系统和聚光元件的棱镜光学系统，并且通过使色散角的频率依赖性线性化并使多个入射光使得入射到多个光束的频率依赖性，使入射在光偏转元件上的频率分量的空间位置适应于频率线性化的冷凝元件上的频率分量。

8. 发明申请

US20150101368A1 OPTICAL FIBER COOLING APPARATUS AND OPTICAL FIBER MANUFACTURING METHOD 审中-公开
公开(公告)号：US20150101368A1
公开(公告)日：2015-04-16
申请号：US14510517
申请日：2014-10-09
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Norihiro UENOYAMA , Iwao OKAZAKI , Manabu SHIOZAKI , Tadashi ENOMOTO
IPC分类号： C03B37/02
CPC分类号： C03B37/02718
摘要： When a lower gauge pressure of a cooling tube part is set at A, and the number of divided units of the cooling tube part is set at N, and a length of each of the divided units of the cooling tube part is set at Li (i=1 to N), and a radius of each of the divided units of the cooling tube part is set at Ri (i=1 to N), and a gas flow rate of a coolant gas passed through each of the divided units of the cooling tube part is set at Qi (i=1 to N), and a viscosity coefficient of a coolant gas is set at μ1, and a radius of an optical fiber is set at r1, and a drawing speed of the optical fiber is set at V1, and a pressure loss of a straight tube part is set at B, and the number of divided units of the straight tube part is set at n, and a length of each of the divided units of the straight tube part is set at LLj (j=1 to n), and a radius of each of the divided units of the straight tube part is set at RRj (j=1 to n), and a gas flow rate of a pressurized gas passed through the straight tube part is set at Qgas, and a viscosity coefficient of the pressurized gas is set at μ2, and a pressure loss of a pressurizing chamber is set at C, and internal pressure correlation constants of the pressurizing chamber are set at D1 to D5, and a shape correction coefficient of the pressurizing chamber is set at k (1≦k≦2), an optical fiber cooling apparatus satisfies the following formula. A−B−kC≦0 where  [ Mathematical   Formula   1 ] A = ∑ i = 1 N  ( - Q i + π   V 1  ( R i 2 - r 1 2 2   ln  ( r 1 / R i ) + r 1 2 ) π 8   μ 1  ( r 1 2 - R i 2 )  ( r 1 2 + R i 2 + R i 2 - r 1 2 ln  ( r 1 / R i ) ) ) × L i   [ Mathematical   Formula   2 ] B = ∑ j = 1 n  - ( Q gas + π   V 1  ( RR j 2 - r 1 2 2   ln  ( r 1 / RR j ) + r 1 2 ) π 8   μ 2  ( r 1 2 - RR j 2 )  ( r 1 2 + RR j 2 + RR j 2 - r 1 2 ln  ( r 1 / RR j ) ) ) × LL j   [ Mathematical   Formula   3 ] C = D   1 + D   2 × Q gas + D   3 × Q gas 2 + D   4 × V   1 + D   5 × Q gas × V   1

9. 发明申请

US20190317380A1 OPTICAL DEVICE, METHOD FOR MANUFACTURING OPTICAL DEVICE, AND WAVELENGTH CONVERSION METHOD 审中-公开
公开(公告)号：US20190317380A1
公开(公告)日：2019-10-17
申请号：US16451502
申请日：2019-06-25
申请人： Sumitomo Electric Industries, Ltd.
发明人： Shigehiro NAGANO , Masato SUZUKI , Masato TANAKA , Manabu SHIOZAKI , Hiroo KANAMORI
IPC分类号： G02F1/383 , G02B6/032 , G02B6/036
摘要： The present embodiment relates to an optical device or the like that is high in non-linearity and resistance to UV light and includes a structure allowing stable wavelength conversion. The optical device is comprised of glass containing SiO2 and comprises a repetitive structure including first sections being crystallized regions in which a radial polarization-ordered structure is formed and second sections being non-crystallized regions alternately arranged along a center axis extending from a center of a light-incidence end face toward a center of a light-emission end face.

10. 发明申请

US20140016209A1 OPTICAL UNIT AND WAVELENGTH SELECTIVE SWITCH 有权
标题翻译：光学单元和波长选择开关
公开(公告)号：US20140016209A1
公开(公告)日：2014-01-16
申请号：US13939999
申请日：2013-07-11
申请人： Sumitomo Electric Industries, Ltd.
发明人： Satoshi YOSHIKAWA , Manabu SHIOZAKI
IPC分类号： G02B27/30
CPC分类号： G02B27/30 , G02B6/2931 , G02B6/29313 , G02B6/3512 , G02B6/3534 , G02B6/356
摘要： In a wavelength selective switch, a holding member is used to rotate one end of optical fibers and a collimator array around a rotation axis to thereby change an incident angle of collimated light with respect to incident surfaces of a beam expander optical system. When the incident angle of the collimated light on the beam expander optical system is changed, an amount of variation in an emission angle of light from the beam expander optical system is not proportional (inversely proportional) to the magnification of the beam expander optical system. Thus, this wavelength selective switch can easily fine-tune the incident position (beam position) of light with respect to each reflecting surface of a MEMS mirror by rotating the holding member.
摘要翻译：在波长选择开关中，保持构件用于围绕旋转轴旋转光纤的一端和准直器阵列，从而改变准直光相对于光束扩展器光学系统的入射表面的入射角。当光束扩展器光学系统上的准直光的入射角改变时，来自光束扩展器光学系统的光的发射角的变化量与扩束器光学系统的倍率成比例（成反比）。因此，通过旋转保持构件，该波长选择开关可以容易地微调相对于MEMS反射镜的每个反射表面的光的入射位置（光束位置）。

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