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1. 发明申请

US20090201503A1 Torsion Sensor 审中-公开
标题翻译：扭转传感器
公开(公告)号：US20090201503A1
公开(公告)日：2009-08-13
申请号：US12306240
申请日：2007-07-09
申请人： Ian Bennion , Kaiming Zhou , Xianfeng Chen , Lin Zhang
发明人： Ian Bennion , Kaiming Zhou , Xianfeng Chen , Lin Zhang
IPC分类号： G01J4/00 , G02B6/00
CPC分类号： G01M11/088 , G01L3/12
摘要： A torsion sensor using an optical waveguide in optical communication with a diffraction grating, preferably a tilted grating, and most preferably a tilted Bragg grating, which provides the optical waveguide and grating with a torsion-dependent collective optical transmission spectrum. Changes in the collective optical transmission spectrum of the waveguide and grating, induced by changes in the amount of torsion applied to the waveguide, may be detected by detecting a corresponding change in the intensity of optical radiation transmitted through the grating from a controlled optical source. The degree of change in the collective optical transmission spectrum is dependent upon the degree of torsion (twist) applied to the optical waveguide. Measuring the magnitude and/or sense (i.e. increase/decrease) in the intensity of optical radiation transmitted through the grating from an optical source enables torsion to be sensed.
摘要翻译：一种扭转传感器，其使用与衍射光栅光学通信的光波导，优选为倾斜光栅，最优选为倾斜布拉格光栅，其向光波导和光栅提供扭转依赖的集体光透射光谱。可以通过从受控光源检测透过光栅的光辐射的强度的相应变化来检测由施加到波导的扭转量的变化而引起的波导和光栅的集体光透射光谱的变化。集体光透射光谱的变化程度取决于施加到光波导的扭转程度（扭曲）。测量从光源传输通过光栅的光辐射的强度的大小和/或感觉（即增加/减少）使得能够感测扭转。

2. 发明授权

US6018160A Apparatus for sensing temperature and/or strain in an object with optical fiber Bragg gratings 失效
标题翻译：用于用光纤布拉格光栅感测物体中的温度和/或应变的装置
公开(公告)号：US6018160A
公开(公告)日：2000-01-25
申请号：US40936
申请日：1998-03-19
申请人： Ian Bennion , Lin Zhang
发明人： Ian Bennion , Lin Zhang
IPC分类号： G01B11/16 , G01D5/353 , G01K5/52 , G01L1/24 , H01J5/16
CPC分类号： G01L1/24 , G01B11/16 , G01D5/35316 , G01K5/52
摘要： Apparatus for sensing temperature and/or strain in an object includes a broadband light source (1), connector means (2) in the form of an optical circulator or an optical coupler to which at least two substantially identical optical fiber Bragg gratings (4, 5) are connected. Grating (4) receives the broadband light from the connector means (2) and functions as a sensor of temperature and/or strain in an object. Light is reflected back from the grating (4) to the connector means (2) and then passed to the grating (5) which acts as a reference grating through which a light output signal is transmitted to a detector (8) which is conveniently a photodetector. Means are provided for chirping the two gratings (4, 5) at the same bandwidth and the detector (8) measures the intensity of the received light output signal, with the intensity being monotonically related to the change in temperature and/or strain sensed by the grating (4) in the object.
摘要翻译：用于感测物体中的温度和/或应变的装置包括宽带光源（1），光环行器或光耦合器形式的连接器装置（2），至少两个基本相同的光纤布拉格光栅（4， 5）连接。光栅（4）接收来自连接器装置（2）的宽带光，并且用作物体中温度和/或应变的传感器。光从光栅（4）反射回连接器装置（2），然后传递到光栅（5），光栅（5）作为参考光栅，光输出信号通过该光栅传输到检测器（8），该检测器方便地光电探测器提供了用于以相同带宽啁啾两个光栅（4,5）的装置，并且检测器（8）测量所接收的光输出信号的强度，其强度与由温度和/或应变感测的温度和/或应变的变化单调相关物体中的光栅（4）。

3. 发明授权

US06833541B2 Dual-parameter optical waveguide grating sensing device and sensor 失效
标题翻译：双参数光波导光栅传感器和传感器
公开(公告)号：US06833541B2
公开(公告)日：2004-12-21
申请号：US10244593
申请日：2002-09-17
申请人： Xuewen Shu , Yu Liu , Donghui Zhao , Lin Zhang , Ian Bennion , Bashir Aliyu Labbo Gwandu , Filip Floreani
发明人： Xuewen Shu , Yu Liu , Donghui Zhao , Lin Zhang , Ian Bennion , Bashir Aliyu Labbo Gwandu , Filip Floreani
IPC分类号： G01J516
CPC分类号： G01L1/246 , G01B11/165 , G01K11/32 , G01K11/3206 , G02B6/022 , G02B6/02204
摘要： In the present invention an optical waveguide grating sensing device for a dual-parameter optical waveguide grating sensor includes a first optical waveguide grating of a first resonant wavelength provided in a first section of an optical waveguide and a second optical waveguide grating of a second resonant wavelength provided in a second of an optical waveguide. The first and second gratings have different coefficients of rate of change of wavelength as a function of temperature and have substantially the same coefficient of rate of change of wavelength as a function of stain.
摘要翻译：在本发明中，用于双参数光波导光栅传感器的光波导光栅感测装置包括设置在光波导的第一部分中的第一共振波长的第一光波导光栅和第二谐振波长的第二光波导光栅设置在光波导的第二个中。第一和第二光栅具有不同的波长变化系数作为温度的函数，并且具有与污点函数基本相同的波长变化系数。

4. 发明授权

US06907165B2 Methods of fabricating a regenerated optical waveguide grating 失效
标题翻译：制造再生光波导光栅的方法
公开(公告)号：US06907165B2
公开(公告)日：2005-06-14
申请号：US10215203
申请日：2002-08-09
申请人： Yu Liu , John A R Williams , Lin Zhang , Ian Bennion
发明人： Yu Liu , John A R Williams , Lin Zhang , Ian Bennion
IPC分类号： G02B6/12 , G02B6/34
CPC分类号： G02B6/02133
摘要： A regenerated optical waveguide is fabricated by hydrogenating an optical waveguide (12) and exposing a grating section (28) to a UV laser beam interference fringe pattern (14) to form a Type I grating. The grating section (28) is exposed for a second period to erase the Type I grating, and then a third period to cause a regenerated optical waveguide grating to form. The resonant wavelength increases during the third period from being substantially the same as the final wavelength of the Type I grating.
摘要翻译：通过氢化光波导（12）并将光栅部分（28）暴露于UV激光束干涉条纹图案（14）以形成I型光栅来制造再生光波导。光栅部分（28）暴露第二周期以擦除I型光栅，然后第三周期以形成再生的光波导光栅。在第三周期期间，谐振波长与I型光栅的最终波长基本相同。

5. 发明授权

US06816638B1 Strain sensing 失效
标题翻译：应变传感
公开(公告)号：US06816638B1
公开(公告)日：2004-11-09
申请号：US09936551
申请日：2001-12-28
申请人： Ian Bennion , John Williams , Christopher Groves-Kirkby , Lin Zhang
发明人： Ian Bennion , John Williams , Christopher Groves-Kirkby , Lin Zhang
IPC分类号： G02D5353
CPC分类号： G01L1/242 , G01B11/18 , G01D5/35383
摘要： A strain sensor comprises an optical waveguide having a plurality of reflecting structure (Bragg grating) along its length. Each structure reflects light at a different characteristic wavelength (&lgr;1 to &lgr;n+1) which changes in dependence on a change of physical length of at least part of the reflecting structure. The reflectivity of reflecting structures which reflect at characteristic wavelengths which are adjacent to each other (&lgr;1 and &lgr;2 or &lgr;n and &lgr;n+1) are configured to be different such that the intensity of light reflected from adjacent structures can be used to discriminate between them.
摘要翻译：应变传感器包括沿其长度具有多个反射结构（布拉格光栅）的光波导。每个结构反射出根据反射结构的至少一部分的物理长度的变化而变化的不同特征波长（λ1至兰丹丹+1）的光。反映在彼此相邻的特征波长（λ1和λ2或兰布丹和兰布丹+ 1）的反射结构的反射率被配置为不同，使得可以使用从相邻结构反射的光的强度来区分它们。

6. 发明申请

US20090147807A1 Fiber grating laser 审中-公开
标题翻译：光纤光栅激光器
公开(公告)号：US20090147807A1
公开(公告)日：2009-06-11
申请号：US11920366
申请日：2006-05-12
申请人： Yicheng Lai , Amos Martinez , Ian Bennion
发明人： Yicheng Lai , Amos Martinez , Ian Bennion
IPC分类号： H01S3/30 , H01L21/02
CPC分类号： G02B6/02147 , H01S3/0675
摘要： A fiber (Bragg) laser comprising a fiber with a cladding and a core having a (Bragg) grating inscribed in the core forming a laser cavity.
摘要翻译：一种光纤（Bragg）激光器，其包括具有包层的光纤和具有内嵌在芯中的布拉格光栅的芯形成激光腔。

7. 发明申请

US20110116094A1 Method of Producing a Surface Plasmon Generator, a Surface Plasmon Generator and a Sensor Incorporating the Surface Plasmon Generator 审中-公开
标题翻译：制造表面等离子体发生器，表面等离子体发生器和结合表面等离子体发生器的传感器的方法
公开(公告)号：US20110116094A1
公开(公告)日：2011-05-19
申请号：US12743036
申请日：2008-11-04
申请人： Thomas David Paul Allsop , Ian Bennion , David John Webb , Ronald Neal
发明人： Thomas David Paul Allsop , Ian Bennion , David John Webb , Ronald Neal
IPC分类号： G01N21/55 , G02F1/295 , G02B1/12
CPC分类号： G01N21/553 , B82Y20/00 , G01N21/7743 , G01N2021/258 , G02B6/1226
摘要： Surface plasmon generation on a metal or semiconductor layer at an outer surface of an optical waveguide, using light reflected or scattered from inside the optical waveguide. One aspect provides a main optical waveguide (11) (e.g. optical fibre) having a second optical waveguide (18) adhered thereto, the second optical waveguide including an optically transparent material (610) separating two surface plasmon supporting layers (600, 620). Another aspect provides a surface plasmon supporting layer of material(s) adhered to the main optical waveguide, the layer having photo-induced regions of material compaction. The regions of compaction may cause un-inscribed refractive index modulations in the main optical waveguide. The surface plasmons are coupled to the guided mode(s) in the main optical waveguide. Surface plasmon resonance depends on sample material in contact with an outermost surface plasmon supporting layer. Properties of the sample material can thus be detected in output guided mode(s) because of the coupling with the generated surface plasmons.
摘要翻译：使用从光波导内部反射或散射的光在光波导的外表面上的金属或半导体层上产生表面等离子体。一方面提供一种具有粘附到其上的第二光波导（18）的主光波导（11）（例如光纤），第二光波导包括分离两个表面等离子体支撑层（600,620）的光学透明材料（610）。另一方面提供了粘附到主光波导的材料的表面等离子体支撑层，该层具有光诱导材料压实区域。压实区域可能在主光波导中引起未内切的折射率调制。表面等离子体激元与主光波导中的引导模式耦合。表面等离子体共振取决于与最外表面等离子体支撑层接触的样品材料。因此，由于与产生的表面等离子体激元的耦合，因此可以在输出引导模式中检测样品材料的特性。

8. 发明授权

US4990287A Optical devices utilizing photochromic compounds 失效
标题翻译：使用光致变色化合物的光学器件
公开(公告)号：US4990287A
公开(公告)日：1991-02-05
申请号：US162385
申请日：1988-02-19
申请人： Ian Bennion , Rosemary Cush , Christopher J. Groves-Kirby , Clive Trundle
发明人： Ian Bennion , Rosemary Cush , Christopher J. Groves-Kirby , Clive Trundle
IPC分类号： G02F3/00 , C07D311/96 , G02F1/21 , G02F3/02 , H01S3/113
CPC分类号： G02F1/21 , C07D311/96 , G02F2001/213 , G02F2202/14
摘要： An optical resonant assembly which comprises a plurality of partially light-transmitting mirrors, a layer of photochromic material disposed between the mirrors, a light source providing a light beam of variable intensity incident on the layer of photochromic material and detecting means for determining transmittance values of said incident beam at different intensity levels, said photochromic material having a low quantum yield for bleaching with light of a wavelength corresponding to said light beam and being selected from pyran compounds of the general formula (I) below: ##STR1## wherein X and Y together represent a spiro-adamantylidene group or a spiro-carbocyclic or heterocyclic group or X and Y independently represent hydrogen, alkyl (preferably lower alkyl having 1 to 5 carbon atoms) or phenyl and R.sub.3 and R.sub.4 each independently represent hydrogen, alkyl, aralkyl, aryl, halogen or a heterocyclic group and R.sup.1 reprsents hydrogen, lower alkyl, aryl, aloxy, alkyl- or dialkyl amino, halogen, or heterocyclic or R.sup.1 represents a fused benzene ring at the 5, 6 or 7, 8 positions.
摘要翻译： PCT No.PCT / GB87 / 00428 Sec。 371日期1988年2月19日 102（e）日期1988年2月19日PCT Filed 1987年6月19日PCT公布。第WO87 / 07963号公报日期：1987年12月30日。一种光学谐振组件，包括多个部分透光镜，设置在反射镜之间的光致变色材料层，提供入射在光致变色材料层上的具有可变强度的光束的光源，以及用于确定所述入射光束在不同强度水平下的透射率值的检测装置，所述光致变色材料具有低量子产率，用于对与所述光束相对应的波长的光进行漂白，并且选自下列通式（I）的吡喃化合物：（I）其中X和Y一起表示螺 - 金刚烷基或螺 - 碳环或杂环基，或X和Y独立地表示氢，烷基（优选具有1至5个碳原子的低级烷基）或苯基和R 3和 R 4各自独立地表示氢，烷基，芳烷基，芳基，卤素或杂环基，R 1表示氢，低级烷基，芳基，或二烷基氨基，卤素或杂环，或R 1表示在5,6或7,8位上的稠合苯环。

9. 发明申请

US20080204859A1 Gires-Tournois Etalons and Dispersion Compensators 失效
标题翻译： Gires-Tournois Etalons和色散补偿器
公开(公告)号：US20080204859A1
公开(公告)日：2008-08-28
申请号：US11813424
申请日：2005-12-15
申请人： Xuewen Shu , Catherine Anne Sugden , Ian Bennion
发明人： Xuewen Shu , Catherine Anne Sugden , Ian Bennion
IPC分类号： H04B10/12 , G02F1/01
CPC分类号： G02B6/29356 , G02B6/02195 , G02B6/2932 , G02B6/29394 , G02B6/29395 , G02F1/125 , G02F2201/307
摘要： A Gires-Tournois etalon (GTE) (10) comprising an optical fibre (12) in which a primary chirped fibre Bragg grating (FBG) (16) is provided, an RF signal generator (20), a piezoelectric transducer (22), and a glass horn (24), for coupling an acoustic wave (26) into the fibre (12). The acoustic wave (26) causes a periodic compression within the fibre (12), which induces a low frequency periodic refractive index modulation within the grating section (14) of the fibre (12). This causes two side frequency components to be generated for each high-frequency component of the FBG (16). Two secondary grating are thus excited, having the same spectral bandwidth as the FBG (16), but a lower reflectivity and different central wavelengths. The free spectral range of the GTE (10) can be adjusted by varying the frequency of the acoustic wave (26). The reflectivity of the excited secondary gratings can be adjusted by adjusting the amplitude of the acoustic wave (26).
摘要翻译：包括其中设置有主啁啾光纤布拉格光栅（FBG）（16））的光纤（12）的Gires-Tournois标准具（GTE）（10），RF信号发生器（20），压电换能器（22）和用于将声波（26）耦合到光纤（12）中的玻璃喇叭（24）。声波（26）引起光纤（12）内的周期性压缩，其在光纤（12）的光栅部分（14）内引起低频周期性折射率调制。这导致为FBG（16）的每个高频分量产生两个侧频分量。因此，两个次级光栅被激发，具有与FBG（16）相同的光谱带宽，但是较低的反射率和不同的中心波长。 GTE（10）的自由光谱范围可以通过改变声波的频率来调节（26）。激发的二次光栅的反射率可以通过调节声波的振幅来调节（26）。

10. 发明授权

US4867543A Spatial light modulator 失效
标题翻译：空间光调制器
公开(公告)号：US4867543A
公开(公告)日：1989-09-19
申请号：US155922
申请日：1988-03-25
申请人： Ian Bennion , Roger W. Whatmore , William J. Stewart
发明人： Ian Bennion , Roger W. Whatmore , William J. Stewart
IPC分类号： G02F1/01 , G02F1/055
CPC分类号： G02F1/0551 , G02F1/0102
摘要： A modulator of the type including an array of light modulating elements. To afford fast response and thus greater modulation bandwidth these elements, each comprising a pair of electrodes and a reflector, are defined in a sheet layer of electro-optic solids material. In particular, this material may be of PLZT ceramics material or of a similar ceramic having a high electro-optic coefficient (quadratic). To advantage, the electrodes may be embedded in the sheet layer. Each modulating element is aligned with and connected to a corresponding drive circuit, part of an integrated circuit structure. Conveniently, solder bumps are used to this end.Light is directed onto the array of modulating elements by an optical interface. This may comprise an array of micro-lenses which too may be aligned by solder bumps. A second reflector may be added to each modulating element, each then being optically resonant.
摘要翻译： PCT No.PCT / GB87 / 00370 Sec。 371日期：1988年3月25日 102（e）1988年3月25日PCT提交1987年5月28日PCT公布。公开号WO87 / 07393 日期为1987年12月3日。一种类型的调制器，包括光调制元件阵列。为了提供快速响应和因此更大的调制带宽，每个包括一对电极和反射器的这些元件被限定在电光固体材料的片层中。特别地，该材料可以是PLZT陶瓷材料或具有高电光系数（二次）的类似陶瓷。有利的是，电极可以嵌入在片层中。每个调制元件与集成电路结构的一部分对应的驱动电路对准并连接。为方便起见，使用焊锡凸块。光通过光学界面被引导到调制元件阵列上。这可以包括也可以通过焊料凸块对准的微透镜阵列。可以向每个调制元件添加第二反射器，然后每个调制元件被光学谐振。

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