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公开(公告)号：US20230367148A1
公开(公告)日：2023-11-16
申请号：US18029461
申请日：2021-10-06
发明人： Yoshiro NOMOTO , Takuo TANEMURA
CPC分类号： G02F1/065 , G02B1/11 , G02B3/0043 , G02B1/002 , G02F2201/122
摘要： A light modulator includes a base layer made of an insulating material having a transmitting property for object light, a conductive pattern layer made of a conductive material, including a plurality of pattern portions arranged periodically, and formed on the base layer, a modulation layer made of an electro-optic polymer, filling a space between the plurality of pattern portions and formed on the conductive pattern layer, and having a refractive index to be changed by applying an electric field, and a reflection layer formed on the modulation layer and reflecting the object light incident from a lower surface of the base layer and transmitted through the modulation layer, and the object light having a phase modulated by being transmitted through the modulation layer and reflected by the reflection layer is output from the lower surface of the base layer to the outside as modulated light.
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2.发明申请公开(公告)号：US20190288483A1
公开(公告)日：2019-09-19
申请号：US16433127
申请日：2019-06-06
发明人： Takahiro SUGIYAMA , Yuu TAKIGUCHI , Yoshitaka KUROSAKA , Kazuyoshi HIROSE , Yoshiro NOMOTO , Soh UENOYAMA
摘要： The present embodiment relates to a single semiconductor light-emitting element including a plurality of light-emitting portions each of which is capable of generating light of a desired beam projection pattern and a method for manufacturing the semiconductor light-emitting element. In the semiconductor light-emitting element, an active layer and a phase modulation layer are formed on a common substrate layer, and the phase modulation layer includes at least a plurality of phase modulation regions arranged along the common substrate layer. The plurality of phase modulation regions are obtained by separating the phase modulation layer into a plurality of places after manufacturing the phase modulation layer, and as a result, the semiconductor light-emitting element provided with a plurality of light-emitting portions that have been accurately aligned can be obtained through a simple manufacturing process as compared with the related art.
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公开(公告)号：US20180109075A1
公开(公告)日：2018-04-19
申请号：US15556429
申请日：2016-03-11
CPC分类号： H01S5/18358 , H01S5/0683 , H01S5/105 , H01S5/187 , H01S5/42 , H01S5/423 , H01S2301/18 , H01S2301/20
摘要： In a semiconductor light emitting element provided with an active layer 4, a pair of cladding layers 2, 7 between which the active layer 4 is interposed, and a phase modulation layer 6 optically coupled to the active layer 4, the phase modulation layer 6 includes a base layer 6A and a plurality of different refractive index regions 6B having different refractive indices from the base layer 6A. When an XYZ orthogonal coordinate system having a thickness direction of the phase modulation layer 6 as a Z-axis direction is set and a square lattice of a virtual lattice constant a is set in an XY plane, each of the different refractive index regions 6B is disposed so that a centroid position G thereof is shifted from a lattice point position in a virtual square lattice by a distance r, and the distance r is 0
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公开(公告)号：US20180074227A1
公开(公告)日：2018-03-15
申请号：US15701918
申请日：2017-09-12
CPC分类号： G02B1/002 , G02B5/008 , G02F1/19 , G02F2202/101 , G02F2202/30
摘要： A metasurface is capable of modulating input light including a wavelength in a range of 880 nm to 40 μm. The metasurface includes: a GaAs substrate including a light input surface into which input light is input and a light output surface facing the light input surface; an interlayer having a lower refractive index than GaAs and disposed on the light output surface side of the GaAs substrate; and a plurality of V-shaped antenna elements disposed on a side of the interlayer which is opposite to the GaAs substrate side and including a first arm and a second arm continuous with one end of the first arm.
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公开(公告)号：US20200209653A1
公开(公告)日：2020-07-02
申请号：US16622497
申请日：2018-06-13
发明人： Yuu TAKIGUCHI , Kazuyoshi HIROSE , Yoshitaka KUROSAKA , Takahiro SUGIYAMA , Yoshiro NOMOTO , Soh UENOYAMA
摘要： The present embodiment relates to a light-emitting device that enables reduction in attenuation or diffraction effect caused by a semiconductor light-emitting device with respect to modulated light outputted from a spatial light modulator, and the light-emitting device includes the semiconductor light-emitting device that outputs light from a light output surface and the reflection type spatial light modulator that modulates the light. The spatial light modulator includes a light input/output surface having the area larger than the area of a light input surface of the semiconductor light-emitting device, modulates light taken through a region facing the light output surface of the semiconductor light-emitting device in the light input/output surface, and outputs the modulated light from another region of the light input/output surface to a space other than the light input surface of the semiconductor light-emitting device.
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公开(公告)号：US20190181613A1
公开(公告)日：2019-06-13
申请号：US16323625
申请日：2017-08-10
摘要： The present embodiment relates to a light emitting device having a structure capable of removing zero order light from output light of an S-iPM laser. The light emitting device includes a semiconductor light emitting element and a light shielding member. The semiconductor light emitting element includes an active layer, a pair of cladding layers, and a phase modulation layer. The phase modulation layer has a basic layer and a plurality of modified refractive index regions, each of which is individually disposed at a specific position. The light shielding member has a function of passing through a specific optical image output along an inclined direction and shielding zero order light output along a normal direction of a light emitting surface.
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7.发明申请METAMATERIAL OPTICAL MEMBER, LIGHT DETECTION DEVICE, LASER EXCITATION LIGHT SOURCE, AND MEASURING DEVICE 审中-公开金属光学部件，光检测装置，激光发光源和测量装置公开(公告)号：US20170023466A1
公开(公告)日：2017-01-26
申请号：US15301764
申请日：2015-04-03
发明人： Yoshiro NOMOTO
CPC分类号： G01N21/255 , G01N21/0303 , G01N21/05 , G01N21/27 , G01N21/59 , G01N21/6428 , G01N21/645 , G01N21/85 , G01N2201/06113 , G02B1/002 , G02B1/11 , G02B1/115 , G02B6/02
摘要： A metamaterial optical member 100 includes a light collecting optical member 1 having a light-entering surface IN1 and a light-exiting surface OUT1 and having a light collecting function and an antireflection film 2 disposed in the light-exiting surface OUT1 of the light collecting optical member 1. The antireflection film 2 has a first metamaterial structure in which a refractive index is gradually reduced in the light travelling direction. The metamaterial optical member 100 includes the antireflection film 2 having the metamaterial structure, thereby externally extracting light.
摘要翻译： 超材料光学构件100包括具有光入射表面IN1和出射光出射面OUT1并具有聚光功能的聚光光学构件1和设置在聚光光学器件的光出射表面OUT1中的防反射膜2 防反射膜2具有折射率在光行进方向上逐渐减小的第一超材料结构。 超材料光学构件100包括具有超材料结构的抗反射膜2，从而外部提取光。
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公开(公告)号：US20230054271A1
公开(公告)日：2023-02-23
申请号：US17884608
申请日：2022-08-10
发明人： Hiroki MIYANO , Go SOMA , Taichiro FUKUI , Takuo TANEMURA , Yoshiro NOMOTO
摘要： A light modulator includes a base layer, a metal reflective layer formed on the base layer, a modulation layer of a nonlinear optical crystal formed on the reflective layer, and a conductive pattern layer including a plurality of pattern portions arranged periodically in a first direction and each extending in a second direction, and formed on the modulation layer. The modulation layer changes a reflectance for object light by changing a refractive index when a voltage is applied between the reflective layer and the conductive pattern layer. The light modulator outputs the object light being incident from an upper surface side of the modulation layer, transmitted through the modulation layer, and reflected by the reflective layer to the outside as modulated light with an intensity modulated by the reflectance change.
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公开(公告)号：US20190312412A1
公开(公告)日：2019-10-10
申请号：US16434789
申请日：2019-06-07
摘要： The present embodiment relates to a light emitting device having a structure capable of removing zero order light from output light of an S-iPM laser. The light emitting device includes a semiconductor light emitting element and a light shielding member. The semiconductor light emitting element includes an active layer, a pair of cladding layers, and a phase modulation layer. The phase modulation layer has a basic layer and a plurality of modified refractive index regions, each of which is individually disposed at a specific position. The light shielding member has a function of passing through a specific optical image output along an inclined direction and shielding zero order light output along a normal direction of a light emitting surface.
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公开(公告)号：US20190312410A1
公开(公告)日：2019-10-10
申请号：US16432198
申请日：2019-06-05
发明人： Takahiro SUGIYAMA , Yuu TAKIGUCHI , Yoshitaka KUROSAKA , Kazuyoshi HIROSE , Yoshiro NOMOTO , Soh UENOYAMA
摘要： A semiconductor light-emitting module according to the present embodiment includes a plurality of semiconductor light-emitting elements each outputting light of a desired beam projection pattern; and a support substrate holding the plurality of semiconductor light-emitting elements. Each of the plurality of semiconductor light-emitting elements includes a phase modulation layer configured to form a target beam projection pattern in a target beam projection region. The plurality of semiconductor light-emitting elements include first and second semiconductor light-emitting elements that are different in terms of at least any of a beam projection direction, the target beam projection pattern, and a light emission wavelength.
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