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1.发明授权公开(公告)号：US07836773B2
公开(公告)日：2010-11-23
申请号：US12425943
申请日：2009-04-17
IPC分类号： G01L9/00
CPC分类号： G01K11/12 , G01D5/268 , G01D5/30 , G01L9/0077 , G01L19/0092
摘要： Optical fiber thermometer includes one optical fiber that relays light from the light source to a measuring unit, two parallel optical fibers that relay light from a mirror at the measuring unit to two light-receiving units, and an arithmetic processing circuit that calculates the temperature of the measuring unit from the ratio of electrical signals from the two light-receiving units; end surfaces of three optical fibers facing the reflecting face being fixed at an angle θ between the longitudinal direction of the optical fibers and the normal to the reflecting face that is not zero, the angle between the optical fibers for reception and projection being symmetrical based on the normal to the reflecting face. Each of the optical fibers is a single-mode fiber at the wavelength being used.
摘要翻译： 光纤温度计包括一个光纤，其将来自光源的光中继到测量单元，将来自测量单元的反射镜的光连接到两个光接收单元的两个并行光纤，以及计算温度的运算处理电路 来自两个光接收单元的电信号的比率的测量单元; 面对反射面的三根光纤的端面以角度θ固定; 在光纤的纵向方向和反射面的法线不为零之间，用于接收和投影的光纤之间的角度基于反射面的法线对称。 每个光纤是使用波长的单模光纤。
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公开(公告)号：US20090257705A1
公开(公告)日：2009-10-15
申请号：US12484613
申请日：2009-06-15
IPC分类号： G02B6/00
CPC分类号： G01L9/0077 , G01D5/285
摘要： An optical sensor includes a light source, a sensing unit, a first optical fiber transmitting light from the light source to the sensing unit, second and third optical fibers transmitting the light from a reflecting surface of the sensing unit to light-receiving portions, and a calculation unit calculating physical quantities from electrical signals from the light-receiving portions. End surfaces of these fibers opposed to the reflecting surface are fixed so that the longitudinal direction thereof and the normal line of the reflecting surface form an angle θ, the second and third optical fibers are parallel to each other, and the fixing angles of the first optical fiber and the second and third optical fibers are symmetric about the normal line. These optical fibers have a single mode in the wavelength of which the optical fibers are used. A depolarizer is interposed between the light source and the first optical fiber.
摘要翻译： 光传感器包括光源，感测单元，将光从光源传输到感测单元的第一光纤，将光从传感单元的反射表面传输到光接收部分的第二和第三光纤;以及 计算单元，计算来自光接收部分的电信号的物理量。 与反射面相对的这些光纤的端面被固定，使得其纵向方向和反射面的法线形成角度θ，第二和第三光纤彼此平行，并且第一 光纤和第二和第三光纤关于法线是对称的。 这些光纤具有使用光纤的波长的单一模式。 在光源和第一光纤之间插入消偏振器。
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3.发明申请公开(公告)号：US20090199646A1
公开(公告)日：2009-08-13
申请号：US12425943
申请日：2009-04-17
CPC分类号： G01K11/12 , G01D5/268 , G01D5/30 , G01L9/0077 , G01L19/0092
摘要： This optical fiber thermometer includes one optical fiber for projection that relays light from the light source to a measuring unit, two optical fibers for light-reception that relay light reflected from a reflecting face of a mirror provided at the measuring unit to two light-receiving units, and an arithmetic processing circuit that calculates the pressure of the measuring unit from the ratio of electrical signals from the two light-receiving units; end surfaces of three optical fibers arranged to face the reflecting face being fixed such that an angle θ between the longitudinal direction of the optical fibers and the normal to the reflecting face is not zero, the two optical fibers for light-reception being parallel, fixing angles between each of them and the optical fiber for projection being symmetrical based on the normal to the reflecting face as a reference, and each of the optical fibers being a single-mode fiber at the wavelength being used, According to this invention, it is possible to provide an optical fiber thermometer that is inexpensive and can measure temperature with high precision, and a temperature-compensated optical fiber sensor that uses the optical fiber thermometer in compensating measurement error due to temperature-change, and can achieve highly precise measuring.
摘要翻译： 该光纤温度计包括：一个用于投影的光纤，其将来自光源的光中继到测量单元;两个用于光接收的光纤，用于将从设置在测量单元处的反射镜反射的光中继到两个光接收 以及从两个光接收单元的电信号的比率计算测量单元的压力的运算处理电路; 布置成面对反射面的三根光纤的端面被固定，使得光纤的纵向方向与反射面的法线之间的角度θ不为零，用于光接收的两根光纤平行，固定 基于反射面的法线作为基准，它们各自之间的角度和用于投影的光纤是对称的，并且每个光纤是使用的波长的单模光纤。根据本发明，它是 可以提供廉价的并且可以高精度地测量温度的光纤温度计，以及使用光纤温度计来补偿由于温度变化引起的测量误差的温度补偿光纤传感器，并且可以实现高精度的测量。
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公开(公告)号：US20090001258A1
公开(公告)日：2009-01-01
申请号：US12129018
申请日：2008-05-29
IPC分类号： G01J1/42
CPC分类号： G01L9/0077 , G01D5/285
摘要： An optical sensor includes a light source, a sensing unit, a first optical fiber transmitting light from the light source to the sensing unit, second and third optical fibers transmitting the light from a reflecting surface of the sensing unit to light-receiving portions, and a calculation unit calculating physical quantities from electrical signals from the light-receiving portions. End surfaces of these fibers opposed to the reflecting surface are fixed so that the longitudinal direction thereof and the normal line of the reflecting surface form an angle θ, the second and third optical fibers are parallel to each other, and the fixing angles of the first optical fiber and the second and third optical fibers are symmetric about the normal line. These optical fibers have a single mode in the wavelength of which the optical fibers are used. A depolarizer is interposed between the light source and the first optical fiber.
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公开(公告)号：US07615736B2
公开(公告)日：2009-11-10
申请号：US12129018
申请日：2008-05-29
IPC分类号： G01J1/42
CPC分类号： G01L9/0077 , G01D5/285
摘要： An optical sensor includes a light source, a sensing unit, a first optical fiber transmitting light from the light source to the sensing unit, second and third optical fibers transmitting the light from a reflecting surface of the sensing unit to light-receiving portions, and a calculation unit calculating physical quantities from electrical signals from the light-receiving portions. End surfaces of these fibers opposed to the reflecting surface are fixed so that the longitudinal direction thereof and the normal line of the reflecting surface form an angle θ, the second and third optical fibers are parallel to each other, and the fixing angles of the first optical fiber and the second and third optical fibers are symmetric about the normal line. These optical fibers have a single mode in the wavelength of which the optical fibers are used. A depolarizer is interposed between the light source and the first optical fiber.
摘要翻译： 光传感器包括光源，感测单元，将光从光源传输到感测单元的第一光纤，将光从传感单元的反射表面传输到光接收部分的第二和第三光纤;以及 计算单元，计算来自光接收部分的电信号的物理量。 与反射面相对的这些光纤的端面被固定，使得其纵向方向和反射面的法线形成角度θ，第二和第三光纤彼此平行，并且第一 光纤和第二和第三光纤关于法线是对称的。 这些光纤具有使用光纤的波长的单一模式。 在光源和第一光纤之间插入消偏振器。
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公开(公告)号：US08509580B2
公开(公告)日：2013-08-13
申请号：US12693821
申请日：2010-01-26
申请人： Yoshikiyo Noguchi , Michihiro Nakai
发明人： Yoshikiyo Noguchi , Michihiro Nakai
CPC分类号： G02B6/32 , G02B6/02047 , H01S3/061 , H01S3/094053 , H01S3/094057 , H01S3/2308 , H01S3/2333
摘要： An optical amplifier includes: a first optical fiber, through which seed light and excitation light propagate; an optical coupler that inputs the excitation light into the first optical fiber; a first lens to which the seed light and the excitation light output from the first optical fiber are input and which increases diameters of the seed light and the excitation light; a glass rod doped with rare earth elements to be excited by the excitation light, to which the seed light and the excitation light output from the first lens are input and which amplifies and outputs the seed light as output light; a second lens to which at least the output light output from the glass rod is input and which decreases a diameter of the output light; and a second optical fiber to which the output light output from the second lens is input.
摘要翻译： 光放大器包括：第一光纤，种子光和激发光通过该第一光纤传播; 将激发光输入到第一光纤中的光耦合器; 输入从第一光纤输出的种子光和激发光的第一透镜，并增加种子光和激发光的直径; 掺杂有被激发光激发的稀土元素的玻璃棒，从第一透镜输出的种子光和激发光被输入，并且放大并输出种子光作为输出光; 输入至少从玻璃棒输出的输出光的第二透镜，并减小输出光的直径; 以及输入从第二透镜输出的输出光的第二光纤。
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公开(公告)号：US20130301987A1
公开(公告)日：2013-11-14
申请号：US13937629
申请日：2013-07-09
申请人： Yoshikiyo Noguchi , Michihiro Nakai
发明人： Yoshikiyo Noguchi , Michihiro Nakai
IPC分类号： G02B6/32
CPC分类号： G02B6/32 , G02B6/02047 , H01S3/061 , H01S3/094053 , H01S3/094057 , H01S3/2308 , H01S3/2333
摘要： An optical amplifier includes: a first optical fiber, through which seed light and excitation light propagate; an optical coupler that inputs the excitation light into the first optical fiber; a first lens to which the seed light and the excitation light output from the first optical fiber are input and which increases diameters of the seed light and the excitation light; a glass rod doped with rare earth elements to be excited by the excitation light, to which the seed light and the excitation light output from the first lens are input and which amplifies and outputs the seed light as output light; a second lens to which at least the output light output from the glass rod is input and which decreases a diameter of the output light; and a second optical fiber to which the output light output from the second lens is input.
摘要翻译： 光放大器包括：第一光纤，种子光和激发光通过该第一光纤传播; 将激发光输入到第一光纤中的光耦合器; 输入从第一光纤输出的种子光和激发光的第一透镜，并增加种子光和激发光的直径; 掺杂有被激发光激发的稀土元素的玻璃棒，从第一透镜输出的种子光和激发光被输入，并且放大并输出种子光作为输出光; 输入至少从玻璃棒输出的输出光的第二透镜，并减小输出光的直径; 以及输入从第二透镜输出的输出光的第二光纤。
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公开(公告)号：US20100189393A1
公开(公告)日：2010-07-29
申请号：US12693821
申请日：2010-01-26
申请人： Yoshikiyo Noguchi , Michihiro Nakai
发明人： Yoshikiyo Noguchi , Michihiro Nakai
CPC分类号： G02B6/32 , G02B6/02047 , H01S3/061 , H01S3/094053 , H01S3/094057 , H01S3/2308 , H01S3/2333
摘要： [Object] An optical amplifier and a resonator capable of outputting output light having a high intensity are provided.[Solving Means] An optical amplifier 100 includes: a first optical fiber 20, through which seed light and excitation light propagate; an optical coupler 30 that inputs the excitation light into the first optical fiber 20; a first lens 40 to which the seed light and the excitation light output from the first optical fiber 20 are input and which increases diameters of the seed light and the excitation light; a glass rod 50 doped with rare earth elements to be excited by the excitation light, to which the seed light and the excitation light output from the first lens 40 are input and which amplifies and outputs the seed light as output light; a second lens 60 to which at least the output light output from the glass rod 50 is input and which decreases a diameter of the output light; and a second optical fiber 70 to which the output light output from the second lens 60 is input and through which the output light propagates.
摘要翻译： 提供了能够输出高强度的输出光的光放大器和谐振器。 解决方案光放大器100包括：第一光纤20，种子光和激发光通过该第一光纤20传播; 将激发光输入到第一光纤20中的光耦合器30; 输入从第一光纤20输出的种子光和激发光的第一透镜40，并增加种子光和激发光的直径; 掺杂有要被激发光激发的稀土元素的玻璃棒50，从第一透镜40输出的种子光和激发光被输入到其中，并且放大并输出种子光作为输出光; 输入至少从玻璃棒50输出的输出光并减小输出光的直径的第二透镜60; 以及输入从第二透镜60输出的输出光的第二光纤70，输出光通过该光纤传播。
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公开(公告)号：US08781274B2
公开(公告)日：2014-07-15
申请号：US13937629
申请日：2013-07-09
申请人： Yoshikiyo Noguchi , Michihiro Nakai
发明人： Yoshikiyo Noguchi , Michihiro Nakai
CPC分类号： G02B6/32 , G02B6/02047 , H01S3/061 , H01S3/094053 , H01S3/094057 , H01S3/2308 , H01S3/2333
摘要： An optical amplifier includes: a first optical fiber, through which seed light and excitation light propagate; an optical coupler that inputs the excitation light into the first optical fiber; a first lens to which the seed light and the excitation light output from the first optical fiber are input and which increases diameters of the seed light and the excitation light; a glass rod doped with rare earth elements to be excited by the excitation light, to which the seed light and the excitation light output from the first lens are input and which amplifies and outputs the seed light as output light; a second lens to which at least the output light output from the glass rod is input and which decreases a diameter of the output light; and a second optical fiber to which the output light output from the second lens is input.
摘要翻译： 光放大器包括：第一光纤，种子光和激发光通过该第一光纤传播; 将激发光输入到第一光纤中的光耦合器; 输入从第一光纤输出的种子光和激发光的第一透镜，并增加种子光和激发光的直径; 掺杂有被激发光激发的稀土元素的玻璃棒，从第一透镜输出的种子光和激发光被输入，并且放大并输出种子光作为输出光; 输入至少从玻璃棒输出的输出光的第二透镜，并且减小输出光的直径; 以及输入从第二透镜输出的输出光的第二光纤。
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