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公开(公告)号：US11933865B2
公开(公告)日：2024-03-19
申请号：US17794124
申请日：2021-02-18
发明人： Yoshiharu Yoshii , Masateru Hashimoto , Tsutomu Ootsuka , Shingo Hamada , Yuki Takemura , Kan Hayashi , Norikazu Mizuochi
IPC分类号： G01R33/24
CPC分类号： G01R33/24
摘要： A magnetic resonance member 1 includes a crystal structure and is capable of electron spin quantum operations with microwaves of different frequencies corresponding to arrangement orientations of a vacancy and an impurity in a crystal lattice. A magnetic field transmission unit 4 senses a measurement target magnetic field at plural measurement positions different from each other, and applies application magnetic fields corresponding to the measurement target magnetic field sensed at the plural measurement positions to the magnetic resonance member 1 along respective different directions corresponding to the aforementioned arrangement orientations. A measurement control unit 21 controls a high frequency power supply 12, and determines detection values detected by a detecting device (an irradiating device 5 and a light receiving device 6) of the physical phenomena corresponding to the plural measurement positions. A calculation unit 22 calculates the measurement target magnetic field at the plural measurement positions on the basis of the detection values.
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公开(公告)号：US12066392B2
公开(公告)日：2024-08-20
申请号：US17922500
申请日：2021-04-19
CPC分类号： G01N24/10 , G01N21/64 , G02B17/004 , G01N2201/0636
摘要： A substrate 1 includes a color center excited by excitation light, and at least a pair of reflection members 21a, 21b are arranged with gaps from the substrate 1. The substrate 1 causes the excitation light entering the substrate 1 to exit through its surfaces without reflection, and the reflection members 21a, 21b cause the exited excitation light to reflect at the reflection surface 21-1 or 21-2 and enter the substrate 1, and cause the excitation light to repeatedly enter and exit the substrate 1 and thereby pass through the substrate 1 only a predetermined number of times. Here, the irradiating device 4 emits the excitation light such that the excitation light is incident to the reflection surface 21-1 or 21-2 with an angle perpendicular to one axis among two axes of the reflection surface 21-1 or 21-2 and with a predetermined slant angle from the other axis.
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公开(公告)号：US11320607B2
公开(公告)日：2022-05-03
申请号：US17223177
申请日：2021-04-06
申请人： SUMIDA CORPORATION
摘要： An excitation light irradiation device includes a substrate having a color center. The color center is excited by an excitation light incident to the substrate. The substrate includes first and second reflection surfaces facing each other, and first and second end surfaces facing each other. When the excitation light enters into the substrate, the incident excitation light travels from the first end surface to the second end surfaces while repeatedly reflecting between the first and second reflection surfaces. The second end surface is inclined. The second end surface reflects the incident excitation light so as to cause the incident excitation light to be emitted from one of the first and second reflection surfaces.
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公开(公告)号：US10996407B2
公开(公告)日：2021-05-04
申请号：US16671730
申请日：2019-11-01
申请人： SUMIDA CORPORATION
摘要： An excitation light irradiation device includes a substrate having a color center. The color center is excited by an excitation light incident to the substrate. The substrate includes first and second reflection surfaces facing each other, and first and second end surfaces facing each other. When the excitation light enters into the substrate, the incident excitation light travels from the first end surface to the second end surfaces while repeatedly reflecting between the first and second reflection surfaces. The second end surface is inclined. The second end surface reflects the incident excitation light so as to cause the incident excitation light to be emitted from one of the first and second reflection surfaces.
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公开(公告)号：US11506690B2
公开(公告)日：2022-11-22
申请号：US16569743
申请日：2019-09-13
申请人： SUMIDA CORPORATION
发明人： Masateru Hashimoto , Masaki Saito
摘要： A coil wire includes a core wire and a winding wire. The winding wire is wound around a circumference of the core wire so as to form a plurality of spirals. The coil wire satisfies one of: (i) an outer surface of the core wire is exposed, and a distance between the outer surface of the core wire and an inner circumferential surface of part of the winding wire is smaller than a thickness of a first insulating film coated on the winding wire; or (ii) the outer surface of the core wire is coated by a second insulating film, and a distance between an outer surface of the second insulating film and the inner circumferential surface of part of the winding wire is smaller than a thickness of a thicker one of the first insulating film and the second insulating film.
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公开(公告)号：US11754793B2
公开(公告)日：2023-09-12
申请号：US17711111
申请日：2022-04-01
申请人： SUMIDA CORPORATION
CPC分类号： G02B6/4201 , G01R33/26
摘要： An excitation light irradiation device includes a substrate having a color center. The color center is excited by an excitation light incident to the substrate. The substrate includes first and second reflection surfaces facing each other, and first and second end surfaces facing each other. When the excitation light enters into the substrate, the incident excitation light travels from the first end surface to the second end surfaces while repeatedly reflecting between the first and second reflection surfaces. The second end surface is inclined. The second end surface reflects the incident excitation light so as to cause the incident excitation light to be emitted from one of the first and second reflection surfaces.
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公开(公告)号：US20220229246A1
公开(公告)日：2022-07-21
申请号：US17711111
申请日：2022-04-01
申请人： SUMIDA CORPORATION
摘要： An excitation light irradiation device includes a substrate having a color center. The color center is excited by an excitation light incident to the substrate. The substrate includes first and second reflection surfaces facing each other, and first and second end surfaces facing each other. When the excitation light enters into the substrate, the incident excitation light travels from the first end surface to the second end surfaces while repeatedly reflecting between the first and second reflection surfaces. The second end surface is inclined. The second end surface reflects the incident excitation light so as to cause the incident excitation light to be emitted from one of the first and second reflection surfaces.
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