公开(公告)号：US20030038231A1

公开(公告)日：2003-02-27

申请号：US10224821

申请日：2002-08-21

Inventor： Rebecca S. Bryant ,  Daniel L. Gysling ,  Charles R. Winston ,  Allen R. Davis ,  John M. Faustino

IPC: G01J001/04 ,  G01J005/08

CPC classification number: E21B47/06 ,  G01L1/246 ,  G01L11/025

Abstract: Non-intrusive pressure sensors 14-18 for measuring unsteady pressures within a pipe 12 include an optical fiber 10 wrapped in coils 20-24 around the circumference of the pipe 12. The length or change in length of the coils 20-24 is indicative of the unsteady pressure in the pipe. Bragg gratings 310-324 impressed in the fiber 10 may be used having reflection wavelengths null that relate to the unsteady pressure in the pipe. One or more of sensors 14-18 may be axially distributed along the fiber 10 using wavelength division multiplexing and/or time division multiplexing.

Abstract translation: 用于测量管12内的不稳定压力的非侵入式压力传感器14-18包括围绕管12的圆周缠绕在线圈20-24中的光纤10.线圈20-24的长度或长度的变化指示 管道中的不稳定压力。 可以使用印在纤维10中的布拉格光栅310-324，其具有与管中的不稳定压力有关的反射波长。 传感器14-18中的一个或多个可以使用波分复用和/或时分复用沿光纤10轴向分布。

公开(公告)号：US20030034445A1

公开(公告)日：2003-02-20

申请号：US09930371

申请日：2001-08-15

Inventor： Gary T. Boyd ,  Keith M. Kotchick ,  Kenneth A. Epstein ,  Sanford Cobb JR. ,  Philip E. Watson ,  David J. Lamb ,  Mark E. Gardiner

IPC: G01J005/08 ,  G01J001/04

CPC classification number: G02B6/0038 ,  G02B6/0046 ,  G02B6/0065 ,  Y10S385/901

Abstract: A light guide including a light guide body having a light re-directing side positioned opposite from a light output side. A plurality of elongate prisms are located adjacent the light output side of the light guide body. The prisms extend side-by-side relative to one another along lengths. The prisms include upper edges defining heights of the prisms. The upper edges extend along the lengths of the prisms. Each upper edge includes a plurality of edge segments having different magnitudes of slope. The light guide also includes a plurality of light extraction structures located adjacent the light re-directing side of the light guide body for reflecting light toward the light output side. The light extraction structures include elongated projections each having a plateau segment and first and second facets. The elongated projections are separated by lands that are recessed relative to the plateau segments. The first and second facets extend from the plateau segments to the lands.

公开(公告)号：US20020109074A1

公开(公告)日：2002-08-15

申请号：US10025928

申请日：2001-12-26

Inventor： Mamoru Uchida

IPC: G01J001/04 ,  G01J005/08

CPC classification number: H01L24/73 ,  G02B6/3608 ,  G02B6/42 ,  G02B6/43 ,  H01L31/0232 ,  H01L31/035281 ,  H01L31/105 ,  H01L31/167 ,  H01L2924/01004 ,  H01L2924/01005 ,  H01L2924/01006 ,  H01L2924/01013 ,  H01L2924/01019 ,  H01L2924/01023 ,  H01L2924/01029 ,  H01L2924/01032 ,  H01L2924/01033 ,  H01L2924/01039 ,  H01L2924/01043 ,  H01L2924/01046 ,  H01L2924/01075 ,  H01L2924/01078 ,  H01L2924/01079 ,  H01L2924/014 ,  H01L2924/1017 ,  H01L2924/10329 ,  H01L2924/10336 ,  H01L2924/12036 ,  H01L2924/12042 ,  H01L2924/12043 ,  H01L2924/14 ,  Y02E10/50 ,  H01L2924/00

Abstract: The semiconductor device of the present invention comprises an optical transmission region, and a light receiving part for converting light propagating through the optical transmission region to an electrical signal, wherein the optical transmission region comprises a two-dimensional optical waveguide layer, and wherein at least a portion of the light receiving part is embedded in the optical transmission region, whereby the present invention can provide a semiconductor device having reduced direction dependency when light propagating through the optical transmission region is received.

Abstract translation: 本发明的半导体器件包括光传输区域和用于将通过光传输区域传播的光转换为电信号的光接收部件，其中光传输区域包括二维光波导层，并且其中至少 光接收部分的一部分嵌入在光传输区域中，由此本发明可以提供一种当接收到通过光传输区域传播的光时具有减小的方向依赖性的半导体器件。

公开(公告)号：US20020092976A1

公开(公告)日：2002-07-18

申请号：US09796161

申请日：2001-02-28

Inventor： Eiichi Sugai ,  Etsuji Sugita ,  Koji Yoshida

IPC: G01J001/04 ,  G01J005/08

CPC classification number: G01L1/246 ,  G02B6/3628

Abstract: In a patch type optical fiber sensor, an optical fiber (2) has at its part a fiber Bragg grating (3) and that part is fixed to a film (4) serving as a base to form a film-like detecting element. Opposite ends of that part are connected to optical cord (1) to protect the film-like detecting element. The detecting element is bonded to an object (9) to be detected by bonding agent or by welding.

Abstract translation: 在贴片型光纤传感器中，光纤（2）其部分为光纤布拉格光栅（3），该部分固定在用作基底的膜（4）上以形成膜状检测元件。 该部分的相对端连接到光缆（1）以保护膜状检测元件。 检测元件通过粘接剂或焊接而粘合到待检测物体（9）上。

公开(公告)号：US20020088930A1

公开(公告)日：2002-07-11

申请号：US10044460

申请日：2002-01-11

Inventor： David S. Graham ,  Daniel A. Francis

IPC: G01J001/04 ,  G01J005/08

CPC classification number: G06F3/0421 ,  G02B6/32 ,  G02B2006/12195

Abstract: A user input device for an electronic device is disclosed. The user input device provides positional information using a grid of light. The grid of light is produced from a light source and waveguides. The grid of light is also received and processed using waveguides and a light detector. Optionally, optics may be used to enhance the operation of the user input device. The user input device is particularly suited for use as a user input device for a computer system or the like.

公开(公告)号：US20010048071A1

公开(公告)日：2001-12-06

申请号：US09814628

申请日：2001-03-22

Inventor： Michael Holz ,  Michael Trutzel

IPC: G01J001/04

CPC classification number: G01M11/083 ,  G01D5/35383 ,  G01L1/246 ,  G01L11/025 ,  G01M5/0016 ,  G01M5/0041 ,  G01M5/0091

Abstract: An arrangement for determining measured values, in particular measured pressure values, strain values, or temperature value, using a plurality of optical fiber Bragg grating sensors. The optical fiber Bragg grating sensors are combined to form various arrays of optical fiber Bragg grating sensors that are arranged one behind the other, are connected by fiber optics, and exhibit different frequency selectivities. Delay elements are assigned to these arrays. The Bragg grating sensors receive a uniform query signal representing a time-differentiated, frequency-selective light. The frequency-selective Bragg grating sensors of the various arrays generate partial signals. The partial signals, separated temporally from one another by the delay elements, form a sequence of partial signals. From the knowledge of the propagation delays of the signals and from the knowledge of the frequency information of the query signal, the particular intended measured value is able to be related to a specific Bragg grating sensor of a specific array, thereby enabling the measured value to be allocated to the location of this Bragg grating sensor.

Abstract translation: 使用多个光纤布拉格光栅传感器确定测量值，特别是测量的压力值，应变值或温度值的装置。 光纤布拉格光栅传感器组合形成各种光纤布拉格光栅传感器阵列，它们一个接一个地布置，通过光纤连接并呈现出不同的频率选择性。 延迟元素分配给这些数组。 布拉格光栅传感器接收均匀的查询信号，表示时差微分的频率选择光。 各种阵列的频率选择布拉格光栅传感器产生部分信号。 由延迟元件在时间上彼此分离的部分信号形成部分信号序列。 从信号的传播延迟的知识和从查询信号的频率信息的知识中，特定的预期测量值能够与特定阵列的特定布拉格光栅传感器相关，从而使测量值 分配给该布拉格光栅传感器的位置。

公开(公告)号：US20040222364A1

公开(公告)日：2004-11-11

申请号：US10464573

申请日：2003-06-19

Inventor： Robert Kenny ,  Maurice Patrick Whelan

IPC: G01J001/04 ,  G01J005/08

CPC classification number: G01M11/083

Abstract: Methods, and corresponding apparatus, for detecting the occurrence of cracks or fractures are described and claimed. The methods utilize Bragg gratings, and the occurrence of a crack is detected by detecting a change in the reflectance and/or transmittance characteristics of the Bragg grating when the crack is transmitted to it. In addition to merely detecting that a crack has occurred, the methods may also provide information on the position of the fracture along the length of the Bragg grating. This may be achieved by comparing the peak intensities and/or widths of the optical reflectance spectra of the unbroken and broken grating. In certain preferred embodiments the Bragg gratings are interrogated using the combination of a broad band source and an optical spectrum analyser, or a tunable laser source and a broad band detector.

Abstract translation: 描述和要求保护用于检测裂纹或裂缝的发生的方法和相应的装置。 该方法利用布拉格光栅，并且当裂纹传递到其时，通过检测布拉格光栅的反射率和/或透射特性的变化来检测裂纹的发生。 除了仅仅检测到发生裂纹之外，该方法还可以提供关于沿着布拉格光栅的长度的断裂位置的信息。 这可以通过比较不间断和断开的光栅的光学反射光谱的峰值强度和/或宽度来实现。 在某些优选实施例中，使用宽带源和光谱分析仪，或可调激光源和宽带检测器的组合来询问布拉格光栅。

公开(公告)号：US20040178329A1

公开(公告)日：2004-09-16

申请号：US10388029

申请日：2003-03-13

Applicant: The Boeing Company

Inventor： Jordin T. Kare ,  Robert W. Turner

IPC: G01J001/04

CPC classification number: G01J3/2803 ,  G01J1/0204 ,  G01J1/04 ,  G01J1/0425 ,  G01J1/0488 ,  G01J1/4228 ,  G01J3/02 ,  G01J3/0218 ,  G01J3/0229 ,  G01J3/0256 ,  G01J3/2823 ,  G02B6/06 ,  G02B6/3668 ,  G02B6/3672 ,  G02B6/368 ,  G02B6/4214

Abstract: The remote sensing apparatus and method include optical fibers and detectors. One end of the optical fibers is located in a focal plane of an optical system, with the end of each optical fiber collecting spectral energy arriving at a particular location in the focal plane. Each detector is coupled to the other end of a single optical fiber, and the detector measures the intensity of the spectral energy emitted by the optical fiber. Sets of detectors may also be utilized, such that each set of detectors is optically coupled to a respective fiber, and at least one separation element separates the spectral energy emitted by each optical fiber into a plurality of spectral bands. Each detector in each set of detectors then receives a respective spectral band emitted by a respective optical fiber.

Abstract translation: 遥感设备和方法包括光纤和检测器。 光纤的一端位于光学系统的焦平面中，每个光纤的端部收集光谱能量到达焦平面中的特定位置。 每个检测器耦合到单个光纤的另一端，并且检测器测量由光纤发射的光谱能量的强度。 也可以使用检测器组，使得每组检测器光学耦合到相应的光纤，并且至少一个分离元件将由每个光纤发射的光谱能量分离成多个光谱带。 每组检测器中的每个检测器然后接收由相应光纤发射的相应光谱带。

公开(公告)号：US20040173733A1

公开(公告)日：2004-09-09

申请号：US10384342

申请日：2003-03-07

Applicant: InfraReDx, Inc.

Inventor： Jeffrey A. Korn

IPC: G01J001/04 ,  G01J001/42

CPC classification number: A61B1/00057 ,  A61B1/3137 ,  A61B5/0084 ,  A61B5/02007 ,  G01M11/31

Abstract: A system for assessing the quality of the optical connection between a catheter and a console is described that avoids the necessity of a calibration port, although one can still be provided if desired. It operates by monitoring the level of light returning from the catheter head and specifically the degree to which this returning light is attenuated. Reflections will arise at the catheter head's optical window due to the discontinuity between the refractive index of the window and that of air or other medium into which the head is inserted. Since the refractive index of the optical window is known and with the head in a known medium such as air, the level of reflection is known. This enables a controller in the console to calculate the round trip loss and thus monitor the loss in the catheter-console interface. Moreover, since round-trip loss is measured, the accuracy is improved by a factor of two over calibration port systems that only measure loss in a single pass arrangement. One embodiment provides for the assessment of a multi-piece catheter using multiple wavelengths

Abstract translation: 描述了一种用于评估导管和控制台之间的光学连接的质量的系统，其避免了校准端口的必要性，尽管如果需要仍可提供校准端口。 它通过监测从导管头返回的光的水平，特别是该返回光被衰减的程度来操作。 由于窗口的折射率与插入头部的空气或其他介质的折射率之间的不连续性，导管头的光学窗口将产生反射。 由于光学窗口的折射率是已知的，并且在诸如空气的已知介质中的头部，所以反射的水平是已知的。 这使得控制台中的控制器能够计算往返损失，从而监测导管 - 控制台界面中的损耗。 此外，由于测量了往返损失，因此在仅通过单次排列测量损耗的校准端口系统上，精度提高了两倍。 一个实施例提供了使用多个波长的多片导管的评估

公开(公告)号：US20040159780A1

公开(公告)日：2004-08-19

申请号：US10701057

申请日：2003-11-04

Inventor： Jorg-Achim Fischer ,  Axel Gebhardt

IPC: G01J001/04 ,  G01J005/08

CPC classification number: B41C1/1083 ,  B41J11/0095 ,  B41J13/223 ,  B65H9/20 ,  B65H2511/514 ,  B65H2553/412 ,  B65H2553/442 ,  B65H2701/131 ,  B65H2701/1928 ,  B65H2220/03

Abstract: A device and a method for detecting the edge of a recording material, in particular, a printing plate, in an exposer for recording printing originals includes an exposer having an exposure drum holding the plate, and an exposure head moved axially along the drum and focusing exposure beams onto the plate. An optical fiber is let into the drum surface and an illuminating device, moved axially along the drum, radiates light radially into the fiber. A photodetector at the fiber receives the light radiated therein. Covering the light radiated in with the plate is used to detect the plate edge. Counting cycles of a feed drive moving the illuminating device determines an axial position of the edge. Alternatively, light of a light source is radiated axially into the fiber and the light emitted radially by the fiber is received using an optical detector moved by the feed drive.

Abstract translation: 在用于记录打印原稿的曝光器中用于检测记录材料边缘（特别是印刷版）的装置和方法包括具有保持印版的曝光鼓的曝光器，以及沿滚筒轴向移动的曝光头和聚焦 曝光光束到板上。 将光纤放入滚筒表面，沿着滚筒轴向移动的照明装置将光径向辐射入光纤。 光纤上的光电检测器接收其中辐射的光。 覆盖板上辐射的光用于检测板边缘。 移动照明装置的进给驱动器的计数周期确定边缘的轴向位置。 或者，光源的光轴向辐射到光纤中，并且使用由馈送驱动器移动的光学检测器接收由光纤径向发射的光。