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1. 发明申请

US20110128990A1 Optical fiber temperature sensor 有权
标题翻译：光纤温度传感器
公开(公告)号：US20110128990A1
公开(公告)日：2011-06-02
申请号：US12877083
申请日：2010-09-07
申请人： Shudong Wu , Wenbo Wang
发明人： Shudong Wu , Wenbo Wang
IPC分类号： G01K11/32 , G02B6/00
CPC分类号： G01K11/3206 , G01K11/32
摘要： An optical fiber temperature sensor includes an optical transceiver module, a transmission fiber and a sensing head. When the transmission fiber is a polarization maintaining fiber, the sensing head includes a temperature sensing element and a fiber reflector, the temperature sensing element is a section of polarization maintaining fiber. The transmission fiber is fusion spliced with the temperature sensing element, an angle between a polarization axis of the transmission fiber and that of the temperature sensing element is 45 degree at the fusion splicing point. When the transmission fiber is a single-mode fiber, the sensing head includes a polarizer. An angle between a polarization axis of the polarization maintaining fiber connecting the temperature sensing element with the polarizer and that of the polarization maintaining fiber of the temperature sensing element is 45 degree at the fusion splicing point. The present invention is of simple principle and structure, and facilitates manufacturing.
摘要翻译：光纤温度传感器包括光收发模块，传输光纤和感测头。当传输光纤是偏振保持光纤时，感测头包括温度感测元件和光纤反射器，温度感测元件是偏振维持光纤的一部分。传输光纤与温度感测元件熔接，传输光纤的偏振轴与感温元件的偏振轴之间的角度在熔接点处为45度。当传输光纤是单模光纤时，感测头包括偏振器。在熔接点处，将温度检测元件与偏振器连接的偏振保持光纤的偏振轴与感温元件的偏振保持光纤的偏振轴之间的角度为45度。本发明的原理和结构简单，制造方便。

2. 发明授权

US08861899B2 Optical fiber current transformer with optical fiber temperature acquisition and temperature compensation 有权
标题翻译：光纤电流互感器采用光纤温度采集和温度补偿
公开(公告)号：US08861899B2
公开(公告)日：2014-10-14
申请号：US12875861
申请日：2010-09-03
申请人： Shudong Wu , Wenbo Wang
发明人： Shudong Wu , Wenbo Wang
IPC分类号： G02B6/00 , G01K11/00 , G01R15/24 , G01R19/32
CPC分类号： G01R15/247 , G01K11/00 , G01R19/32
摘要： An optical fiber current transformer includes a broadband light source, a depolarizer, a beam splitter, a temperature acquisition unit, a current acquisition unit, a modulation waveform generating unit, a data processing unit and a calculating compensation unit. The broadband light source is connected with the beam splitter by the depolarizer. A first output of the beam splitter is connected with the calculating compensation unit by the temperature acquisition unit. A second output of the beam splitter is connected with the data processing unit by the current acquisition unit. The data processing unit is connected with the calculating compensation unit. The calculating compensation unit is connected with the current acquisition unit by the modulation waveform generating unit. The optical fiber current transformer uses the temperature-current compensation curve in the calculating compensation unit to synchronously process the temperature and current, thereby improving the accuracy of real-time current measurement.
摘要翻译：光纤电流互感器包括宽带光源，去偏振器，分束器，温度采集单元，电流获取单元，调制波形生成单元，数据处理单元和计算补偿单元。宽带光源通过去极化器与分束器连接。分束器的第一输出端通过温度采集单元与计算补偿单元连接。分束器的第二输出通过电流获取单元与数据处理单元连接。数据处理单元与计算补偿单元连接。计算补偿单元通过调制波形生成单元与当前获取单元连接。光纤电流互感器使用计算补偿单元中的温度 - 电流补偿曲线来同步处理温度和电流，从而提高实时电流测量的精度。

3. 发明授权

US08449178B2 Optical fiber temperature sensor 有权
标题翻译：光纤温度传感器
公开(公告)号：US08449178B2
公开(公告)日：2013-05-28
申请号：US12877083
申请日：2010-09-07
申请人： Shudong Wu , Wenbo Wang
发明人： Shudong Wu , Wenbo Wang
IPC分类号： G01K11/00 , G01K1/00 , G01J5/00
CPC分类号： G01K11/3206 , G01K11/32
摘要： An optical fiber temperature sensor includes an optical transceiver module, a transmission fiber and a sensing head. When the transmission fiber is a polarization maintaining fiber, the sensing head includes a temperature sensing element and a fiber reflector, the temperature sensing element is a section of polarization maintaining fiber. The transmission fiber is fusion spliced with the temperature sensing element, an angle between a polarization axis of the transmission fiber and that of the temperature sensing element is 45 degree at the fusion splicing point. When the transmission fiber is a single-mode fiber, the sensing head includes a polarizer. An angle between a polarization axis of the polarization maintaining fiber connecting the temperature sensing element with the polarizer and that of the polarization maintaining fiber of the temperature sensing element is 45 degree at the fusion splicing point. The present invention is of simple principle and structure, and facilitates manufacturing.
摘要翻译：光纤温度传感器包括光收发模块，传输光纤和感测头。当传输光纤是偏振保持光纤时，感测头包括温度感测元件和光纤反射器，温度感测元件是偏振维持光纤的一部分。传输光纤与温度感测元件熔接，传输光纤的偏振轴与感温元件的偏振轴之间的角度在熔接点处为45度。当传输光纤是单模光纤时，感测头包括偏振器。在熔接点处，将温度检测元件与偏振器连接的偏振保持光纤的偏振轴与感温元件的偏振保持光纤的偏振轴之间的角度为45度。本发明的原理和结构简单，制造方便。

4. 发明申请

US20110060544A1 Optical fiber current transformer with optical fiber temperature acquisition and temperature compensation 有权
标题翻译：光纤电流互感器采用光纤温度采集和温度补偿
公开(公告)号：US20110060544A1
公开(公告)日：2011-03-10
申请号：US12875861
申请日：2010-09-03
申请人： Shudong Wu , Wenbo Wang
发明人： Shudong Wu , Wenbo Wang
IPC分类号： G06F19/00
CPC分类号： G01R15/247 , G01K11/00 , G01R19/32
摘要： An optical fiber current transformer includes a broadband light source, a depolarizer, a beam splitter, a temperature acquisition unit, a current acquisition unit, a modulation waveform generating unit, a data processing unit and a calculating compensation unit. The broadband light source is connected with the beam splitter by the depolarizer. A first output of the beam splitter is connected with the calculating compensation unit by the temperature acquisition unit. A second output of the beam splitter is connected with the data processing unit by the current acquisition unit. The data processing unit is connected with the calculating compensation unit. The calculating compensation unit is connected with the current acquisition unit by the modulation waveform generating unit. The optical fiber current transformer uses the temperature-current compensation curve in the calculating compensation unit to synchronously process the temperature and current, thereby improving the accuracy of real-time current measurement.
摘要翻译：光纤电流互感器包括宽带光源，去偏振器，分束器，温度采集单元，电流获取单元，调制波形生成单元，数据处理单元和计算补偿单元。宽带光源通过去极化器与分束器连接。分束器的第一输出端通过温度采集单元与计算补偿单元连接。分束器的第二输出通过电流获取单元与数据处理单元连接。数据处理单元与计算补偿单元连接。计算补偿单元通过调制波形生成单元与当前获取单元连接。光纤电流互感器使用计算补偿单元中的温度 - 电流补偿曲线来同步处理温度和电流，从而提高实时电流测量的精度。

5. 发明授权

US06040910A Optical phase-shift triangulation technique (PST) for non-contact surface profiling 失效
标题翻译：用于非接触表面轮廓的光学相移三角测量技术（PST）
公开(公告)号：US06040910A
公开(公告)日：2000-03-21
申请号：US82409
申请日：1998-05-20
申请人： Shudong Wu , Guowen Lu
发明人： Shudong Wu , Guowen Lu
IPC分类号： G01B11/25 , G01B11/24
CPC分类号： G01B11/2527
摘要： The present invention is an optical system for profiling a surface of an object. The optical system includes a projection system for directing an incident beam of light having a varying intensity pattern onto the surface of the object. The projection system includes a filter or the like for reducing or attenuating high order harmonics from the varying intensity pattern. The varying intensity pattern of the incident light beam is spatially shifted N times, where N is greater than 2. A detector array is arranged relative to the surface of the object to receive a reflected deformed grating image of the surface. A processing system, coupled to the detector array, determines a surface profile of the object based on a number of the deformed grating image at different spatial phases.
摘要翻译：本发明是用于对物体的表面进行成形的光学系统。光学系统包括用于将具有变化强度图案的入射光束引导到物体表面上的投影系统。投影系统包括用于从变化的强度图案减少或衰减高次谐波的滤波器等。入射光束的变化强度图案在空间上移动N次，其中N大于2.检测器阵列相对于物体的表面布置以接收表面的反射变形的光栅图像。耦合到检测器阵列的处理系统基于在不同空间相位处的变形光栅图像的数量确定对象的表面轮廓。

6. 发明授权

US06394617B1 Method and apparatus for latched bimorph optical switchs 有权
标题翻译：闭锁双压电晶体开关的方法和装置
公开(公告)号：US06394617B1
公开(公告)日：2002-05-28
申请号：US09752177
申请日：2000-12-29
申请人： Shudong Wu
发明人： Shudong Wu
IPC分类号： G02B7182
CPC分类号： G02B6/3578 , G02B6/3528 , G02B6/3546 , G02B6/3566 , G02B6/358
摘要： The present invention provides a method and apparatus for compact, high-speed, latched optical switching devices utilizing bimorph piezoelectric material. The apparatus employs an optical switching prism, that is capable of interchanging two parallel beams, to construct a 2×2 optical switch. In order to construct compact and high-speed switches, the prism has to be small and light-weigh, thus, the separation of the two parallel beams becomes small. A pair of reflection corner mirror capable of separating these two close parallel beams is used. The switching is performed by vertically inserting the prism into the optical path and only less than one millimeter (limited by the beam size) movement is required. Because the switching is based on beam deflection instead of reflection, it is not vulnerable to vibration.
摘要翻译：本发明提供一种利用双压电晶片压电材料的小型，高速，锁存的光开关器件的方法和装置。该装置采用光交换棱镜，其能够互换两个平行光束，以构成2×2光开关。为了构造紧凑型高速开关，棱镜必须小巧轻巧，因此两个平行光束的分离变小。使用能够分离这两个近似平行光束的一对反射角镜。通过将棱镜垂直插入光路并且仅需要小于1毫米（受光束尺寸的限制）移动来执行切换。因为切换是基于光束偏转而不是反射的，所以不易受振动影响。

7. 发明授权

US5260826A Nonscanning sectioning microscope 失效
标题翻译：非扫描切片显微镜
公开(公告)号：US5260826A
公开(公告)日：1993-11-09
申请号：US823262
申请日：1992-01-21
申请人： Shudong Wu
发明人： Shudong Wu
IPC分类号： G02B21/00 , G02B3/00
CPC分类号： G02B21/004
摘要： A device for microscopic sectioning and imaging of an object specimen illuminated with light comprises an objective lens, a diaphragm, and a pixel filter array. The objective lens focuses light from the object specimen to an image focal plane. The diaphragm blocks a portion of the focused light from the objective lens thereby creating a shadow. Each pixel filter in the pixel filter array has an axis and is arranged so as to cooperate with the shadow so that light from an object focal plane and parallel to the pixel filter axes reaches an output image plane.
摘要翻译：用于用光照射的物体样品的微观切片和成像的装置包括物镜，光阑和像素过滤器阵列。物镜将来自物体样本的光聚焦到图像焦平面。隔膜阻挡来自物镜的聚焦光的一部分，从而产生阴影。像素滤波器阵列中的每个像素滤波器具有轴线并被布置成与阴影配合，使得来自物体焦平面并平行于像素滤波器轴的光线到达输出像平面。

8. 发明授权

US06748140B1 Method, system and apparatus for chromatic dispersion compensation utilizing a Gires-Tournois interferometer 失效
标题翻译：利用Gires-Tournois干涉仪进行色散补偿的方法，系统和装置
公开(公告)号：US06748140B1
公开(公告)日：2004-06-08
申请号：US10271418
申请日：2002-10-15
申请人： Shudong Wu , Simon X. F. Cao
发明人： Shudong Wu , Simon X. F. Cao
IPC分类号： G02B626
CPC分类号： G02B6/29394 , G02B6/29349 , G02B6/29358 , G02B6/29386 , G02B6/327
摘要： A method for compensating for chromatic dispersion of an optical signal includes: receiving the optical signal from an input fiber; collimating the optical signal using a collimator; delivering the collimated optical signal to a Gires-Tournois interferometer; reflecting a chromatic-dispersion-compensated optical signal from the Gires-Tournois interferometer to the collimator; focusing the chromatic-dispersion compensated optical signal into an output fiber. The compensator in accordance with the present invention provides flexibility in producing periodically varying chromatic dispersion so as to compensate for unwanted periodic chromatic dispersion produced in an interferometric interleaved channel separator. Also, the compensator enables compensation of fiber optic chromatic dispersion.
摘要翻译：一种用于补偿光信号色散的方法包括：从输入光纤接收光信号; 使用准直器对光信号进行准直; 将准直光信号传送到Gires-Tournois干涉仪; 将来自Gires-Tournois干涉仪的色散补偿光信号反射到准直器; 将色散补偿光信号聚焦到输出光纤中。根据本发明的补偿器提供了产生周期性变化的色散的灵活性，以补偿在干涉式交错通道分离器中产生的不期望的周期色散。此外，补偿器可以补偿光纤色散。

9. 发明授权

US06724482B2 Synthesis of optical dispersion compensators and methods using a series of GT cavities 有权
标题翻译：使用一系列GT腔的光学色散补偿器的合成和方法
公开(公告)号：US06724482B2
公开(公告)日：2004-04-20
申请号：US10260013
申请日：2003-03-20
申请人： Shudong Wu
发明人： Shudong Wu
IPC分类号： G01B902
CPC分类号： G02B6/29394 , G02B6/29349 , G02B6/29358 , G02B6/29386 , G02B6/327
摘要： The invention provides a dispersion compensation system and method formed by cascading a series of GT cavities with three setting parameters, reflectivity, resonant wavelength, and free-spectral-range. In one aspect of the invention, the GT cavities can synthesize any shape of combined dispersion compensation, including positive, negative, slope dispersion compensation. In another aspect of the invention, the GT cavities are tunable or dynamic to accommodate various types of dispersion compensation. Advantageously, the present invention provides an effective cost solution for a more precise dispersion compensation tuning.
摘要翻译：本发明提供了通过将一系列GT腔与三个设定参数，反射率，谐振波长和自由光谱范围级联而形成的色散补偿系统和方法。在本发明的一个方面，GT腔可以合成任何形式的组合色散补偿，包括正，负斜率色散补偿。在本发明的另一方面，GT腔是可调谐的或动态的以适应各种类型的色散补偿。有利地，本发明为更精确的色散补偿调谐提供了有效的成本解决方案。

10. 发明授权

US06717681B1 Portable real-time high-resolution digital phase-stepping shearography with integrated excitation mechanisms 有权
公开(公告)号：US06717681B1
公开(公告)日：2004-04-06
申请号：US09537862
申请日：2000-03-28
申请人： Benjamin A. Bard , Guowen Lu , Shudong Wu , John W. Newman
发明人： Benjamin A. Bard , Guowen Lu , Shudong Wu , John W. Newman
IPC分类号： G01B902
CPC分类号： G01B9/02054 , G01B9/02098 , G01B11/162
摘要： A portable nondestructive testing instrument uses high-speed phase-stepping shearography, and vacuum stressing, to produce images of disbonds, impact damage, or delaminations, in metal or composite structures. The invention is especially useful in the inspection of large areas where only external access is feasible, such as in large aircraft, space vehicles, boats, or civil engineered structures having multiple bond lines. The invention includes a novel combination of components and techniques, including a high-spatial-resolution CCD sensor, low-voltage piezoceramic phase stepping, rapid phase stepping, a fast phase calculation technique, a fast image smoothing technique, and an implementation of all of the above in a portable unit. Specially designed timing and control algorithms allow data acquisition, transfer, calculation, smoothing, and display at rates of up to two times per second. The invention also includes the above-described combination, in conjunction with three excitation mechanisms provided in an integrated portable package.

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