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    Illumination device
    2.
    发明授权
    Illumination device 有权

    公开(公告)号：US09927571B2

    公开(公告)日：2018-03-27

    申请号：US14438272

    申请日：2013-10-24

    申请人： SEEREAL TECHNOLOGIES S.A.

    发明人： Gerald Futterer

    IPC分类号： F21V7/04 ,  F21V8/00 ,  G02B6/02 ,  G02B27/22 ,  H05B37/02

    CPC分类号： G02B6/005 ,  G02B6/0023 ,  G02B6/0025 ,  G02B6/0031 ,  G02B6/0068 ,  G02B6/0076 ,  G02B6/02057 ,  G02B27/22 ,  H05B37/0218

    摘要： An illumination device for illuminating at least one spatial light modulator device. At least one light source device with at least one light source illuminates the at least one spatial light modulator device; a light guiding element through which light emanating from the light source propagates; and at least one light decoupling element arranged on top or inside of the light guiding element. The at least one light decoupling element decouples of a wave field of the light which propagating in the light guiding element into the direction of the spatial light modulator device. The light guiding element has a refractive index which is lower than or at least equal to the refractive index of the at least one light decoupling element. The entrance angle of the wave field entering the light decoupling element is determined by the difference between the refractive indices according to a particular equation.

    SMALL PROFILE PRESSURE AND TEMPERATURE GAUGES
    3.
    发明申请
    SMALL PROFILE PRESSURE AND TEMPERATURE GAUGES 有权
    小型压力和温度测量

    公开(公告)号：US20160011066A1

    公开(公告)日：2016-01-14

    申请号：US14330338

    申请日：2014-07-14

    申请人： Weatherford/Lamb, Inc.

    发明人： Domino TAVERNER ,  John J. GRUNBECK ,  James DUNPHY

    IPC分类号： G01L11/02 ,  G01K11/32 ,  G02B6/34

    CPC分类号： G01L11/025 ,  E21B47/01 ,  E21B47/011 ,  E21B47/06 ,  G01K11/32 ,  G02B6/02057 ,  G02B6/02076 ,  G02B6/02209 ,  G02B6/34

    摘要： Small profile apparatus for pressure and/or temperature sensing within a wellbore are provided. The apparatus may include optical sensing assemblies designed for inclusion in traditional or coiled production tubing deployments and suitable for use in high pressure, high temperature environments. One example assembly generally includes a housing having a divider for separating a first volume from a second volume inside the housing, a compressible element disposed in the first volume, wherein a first end of the compressible element is coupled to the divider and a second of the compressible element is sealed, and a large diameter optical waveguide disposed in an internal volume of the compressible element. The waveguide typically includes a first portion with a first grating and a second portion with a second grating, wherein the first portion has a greater outer diameter than the second portion.

    摘要翻译： 提供了用于井筒内的压力和/或温度感测的小型装置。 该装置可以包括设计成包含在传统的或盘绕的生产管道部署中并且适用于高压，高温环境的光学感测组件。 一个示例性组件通常包括具有用于将第一体积与壳体内的第二体积分隔开的分隔件的壳体，设置在第一体积中的可压缩元件，其中可压缩元件的第一端联接到分隔器， 可压缩元件被密封，并且设置在可压缩元件的内部体积中的大直径光波导。 波导通常包括具有第一光栅的第一部分和具有第二光栅的第二部分，其中第一部分具有比第二部分更大的外径。

    Highly efficient optical gratings with reduced thickness requirements and impedance-matching layers
    4.
    发明授权
    Highly efficient optical gratings with reduced thickness requirements and impedance-matching layers 有权
    具有减小厚度要求和阻抗匹配层的高效光栅

    公开(公告)号：US08989537B2

    公开(公告)日：2015-03-24

    申请号：US13429364

    申请日：2012-03-24

    申请人： Thomas W. Mossberg ,  Christoph M. Greiner ,  Dmitri Iazikov

    发明人： Thomas W. Mossberg ,  Christoph M. Greiner ,  Dmitri Iazikov

    IPC分类号： G02B6/34 ,  B29D11/00 ,  G02B5/18

    CPC分类号： G02B6/02057 ,  B29D11/0074 ,  G02B5/1809 ,  G02B6/02076

    摘要： An optical grating comprising a grating layer and two surface layers, the layers being arranged with the grating layer between the surface layers. The grating layer comprises a set of multiple, discrete, elongated first grating regions that comprise a first dielectric material and are arranged with intervening elongated second grating regions. The bulk refractive index of the dielectric material of the first grating regions is larger than the bulk refractive index of the second grating regions. The first surface layer comprises a first impedance matching layer, and the second surface layer comprises either (i) a second impedance matching layer or (ii) a reflective layer. Each said impedance matching layer is arranged to reduce reflection of an optical signal transmitted through the corresponding surface of the grating layer, relative to reflection of the optical signal in the absence of said impedance matching layer.

    摘要翻译： 包括光栅层和两个表面层的光栅，所述层与所述表面层之间的所述光栅层布置。 光栅层包括一组多个离散的细长的第一光栅区域，其包括第一电介质材料并且布置有中间细长的第二光栅区域。 第一光栅区域的电介质材料的体积折射率大于第二光栅区域的体折射率。 第一表面层包括第一阻抗匹配层，第二表面层包括（i）第二阻抗匹配层或（ii）反射层。 每个所述阻抗匹配层被布置成相对于在没有所述阻抗匹配层的情况下相对于光信号的反射来减少透射通过光栅层的对应表面的光信号的反射。

    Tilt meter including optical fiber sections
    7.
    发明授权
    Tilt meter including optical fiber sections 有权
    倾斜仪包括光纤段

    公开(公告)号：US08326095B2

    公开(公告)日：2012-12-04

    申请号：US12701703

    申请日：2010-02-08

    申请人： Arthur H. Hartog ,  Robert Greenaway

    发明人： Arthur H. Hartog ,  Robert Greenaway

    IPC分类号： G02B6/00

    CPC分类号： G02B6/024 ,  E21B47/022 ,  G01C9/06 ,  G01C9/18 ,  G01C2009/066 ,  G02B6/02057

    摘要： A tilt meter includes a housing structure defining an inner chamber sealed from an environment outside the housing structure. First and second optical fiber sections are provided in the inner chamber. The second optical fiber section is optically coupled to the first optical fiber section, with the second optical fiber section rotated azimuthally with respect to the first optical fiber section. The first and second optical fiber sections are arranged to receive light transmitted from a remote light source, and a tilt of the housing structure induces a differential pressure within the inner chamber to be detected by the first and second optical fiber sections.

    摘要翻译： 倾斜仪包括壳体结构，其限定了从壳体结构外部的环境密封的内腔。 第一和第二光纤部分设置在内室中。 第二光纤部分光耦合到第一光纤部分，第二光纤部分相对于第一光纤部分旋转方位角。 第一和第二光纤部分被布置成接收从远程光源发射的光，并且壳体结构的倾斜引起内室内的差压，以被第一和第二光纤部分检测。

    TILT METER INCLUDING OPTICAL FIBER SECTIONS
    8.
    发明申请
    TILT METER INCLUDING OPTICAL FIBER SECTIONS 有权
    倾斜仪包括光纤部分

    公开(公告)号：US20110194806A1

    公开(公告)日：2011-08-11

    申请号：US12701703

    申请日：2010-02-08

    申请人： Arthur H. Hartog ,  Robert Greenaway

    发明人： Arthur H. Hartog ,  Robert Greenaway

    IPC分类号： G02B6/00 ,  E21B47/02

    CPC分类号： G02B6/024 ,  E21B47/022 ,  G01C9/06 ,  G01C9/18 ,  G01C2009/066 ,  G02B6/02057

    摘要： A tilt meter includes a housing structure defining an inner chamber sealed from an environment outside the housing structure. First and second optical fiber sections are provided in the inner chamber. The second optical fiber section is optically coupled to the first optical fiber section, with the second optical fiber section rotated azimuthally with respect to the first optical fiber section. The first and second optical fiber sections are arranged to receive light transmitted from a remote light source, and a tilt of the housing structure induces a differential pressure within the inner chamber to be detected by the first and second optical fiber sections.

    摘要翻译： 倾斜仪包括壳体结构，其限定了从壳体结构外部的环境密封的内腔。 第一和第二光纤部分设置在内室中。 第二光纤部分光耦合到第一光纤部分，第二光纤部分相对于第一光纤部分旋转方位角。 第一和第二光纤部分被布置成接收从远程光源发射的光，并且壳体结构的倾斜引起内室内的差压，以被第一和第二光纤部分检测。

    Optical Code Division Multiplexing Access System
    9.
    发明申请
    Optical Code Division Multiplexing Access System 审中-公开
    光码分多址接入系统

    公开(公告)号：US20110013909A1

    公开(公告)日：2011-01-20

    申请号：US12918322

    申请日：2009-02-19

    申请人： Nobuyuki Kataoka ,  Naoya Wada ,  Gabriella Cincotti ,  Xu Wang ,  Kenichi Kitayama ,  Akira Sakamoto

    发明人： Nobuyuki Kataoka ,  Naoya Wada ,  Gabriella Cincotti ,  Xu Wang ,  Kenichi Kitayama ,  Akira Sakamoto

    IPC分类号： H04J14/00

    CPC分类号： H04J14/0282 ,  G02B6/02057 ,  G02B6/12011 ,  G02B6/12019 ,  H04J14/005

    摘要： Problem An object of the present invention is to provide an optical code division multiple access system which is used by many people.Means for Solving The above problem is solved by an optical code division multiple access, OCDMA, system 5 which have a central office 2 comprising a multi-port optical encoder 1, a decode part 4 comprising a decoder 3 for decoding optical code signals from the multi-port optical encoder 1. The multi-port optical encoder 1 transform input optical signals into optical code signals the wavelength of them differs at predetermined amount based on code pattern. The decoder 3 is super structured fiber Bragg grating, SSFBG, which has center wavelength that corresponds to optical code signal.

    摘要翻译： 发明内容本发明的目的是提供一种由许多人使用的光码分多址系统。 解决方案上述问题通过具有包括多端口光学编码器1的中心局2的光码分多址OCDMA系统5来解决，解码部分4包括：解码器3，用于解码来自 多端口光学编码器1.多端口光学编码器1将输入光信号转换为光码信号，其波长根据码模式以预定量不同。 解码器3是具有对应于光码信号的中心波长的超结构光纤布拉格光栅SSFBG。