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    • 1. 发明公开
    • 3-D imaging system and method using partial-coherence speckle interference tomography
    • 3D-Abbildungssystem und Verfahren mitkurzkohärenterSpeckle Interferenz-Tomografie
    • EP2375216A1
    • 2011-10-12
    • EP11152555.6
    • 2011-01-28
    • Raytheon Company
    • Byren, Robert W.
    • G01B11/24G06K9/20G06T7/00
    • G01B11/24G01B9/02009G01B9/02096G06K9/00228G06K9/20
    • A system (100) for generating an image of contoured surface (50) includes a light source (120) that is configured to project an electromagnetic radiation beam (126) onto the contoured surface, wherein the projected beam generates first radiation (128) reflected from a first portion of the contoured surface to form a speckle pattern, and second radiation (128) reflected from a second portion of the contoured surface which is substantially uniform in intensity. The reflected first and second reflected radiation is received by an optical detector (135), and may be processed. The processing is configured to (1) generate a plurality of images from the first and second reflected radiation, with each image being generated using different coherence length electromagnetic radiation from the light source, and (2) generate a 3-D image (170) of the contoured surface from the plurality of images. Methods for generating a 3-D image of a contoured surface are also disclosed.
    • 用于产生轮廓表面(50)的图像的系统(100)包括被配置为将电磁辐射束(126)投影到轮廓表面上的光源(120),其中投影光束产生反射的第一辐射(128) 从所述轮廓表面的第一部分形成斑点图案,以及从所述轮廓表面的基本上均匀强度的第二部分反射的第二辐射(128)。 反射的第一和第二反射辐射由光学检测器(135)接收,并且可以被处理。 该处理被配置为(1)从第一和第二反射辐射生成多个图像,其中使用来自光源的不同相干长度电磁辐射生成每个图像,以及(2)生成3D图像(170) 的多个图像中的轮廓表面。 还公开了用于生成轮廓表面的3D图像的方法。
    • 2. 发明公开
    • System and method for imaging a textured surface
    • 系统和Verfahren zum Abbilden einer strukturiertenOberfläche
    • EP2372606A2
    • 2011-10-05
    • EP11152770.1
    • 2011-01-31
    • Raytheon Company
    • Byren, Robert W.Reeder, Robin
    • G06K9/00G06K9/20
    • G06K9/00033G06K9/2036
    • A system for imaging a textured surface includes a light source that is configured to project an electromagnetic radiation beam onto the textured surface, wherein the projected beam generates first radiation reflected from a first portion of the textured surface to form a speckle pattern, and second radiation reflected from a second portion of the textured surface which is substantially uniform in intensity. The reflected first and second reflected radiation is received by an optical detector, and may be processed to generate an image of the textured surface from the first and second reflected radiation. Methods for textured surface sensing are also disclosed.
    • 用于对纹理表面进行成像的系统包括被配置为将电磁辐射束投影到纹理化表面上的光源,其中投影光束产生从纹理化表面的第一部分反射的第一辐射以形成散斑图案,并且第二辐射 从纹理表面的强度基本均匀的第二部分反射。 反射的第一和第二反射辐射由光学检测器接收,并且可以被处理以从第一和第二反射辐射产生纹理表面的图像。 还公开了纹理表面感测的方法。
    • 9. 发明公开
    • Stimulated brillouin scattering phase conjugate mirror utilizing photonic bandgap guide
    • 使用波导与光子带隙相位共轭镜的受激布里渊散射
    • EP1569031A1
    • 2005-08-31
    • EP05250612.8
    • 2005-02-03
    • RAYTHEON COMPANY
    • Byren, Robert W.Rockwell, David A.Betin, Alexander A.
    • G02F1/35
    • G02F1/3538G02B6/02347G02B6/02385G02F2202/32H01S3/10076H01S5/145
    • A phase conjugate mirror (10) comprising a photonic band gap light guide (30) and a stimulated Brillouin scattering medium disposed in operational relation thereto. In specific embodiments, the light guide is an optical fiber (30) with a high index cladding transparent at a propagation wavelength and a hollow or solid core (32'). The cladding (34') is microstructured silica and supports guide modes through frustrated tunneling photonic band gap guidance or Bragg photonic band gap guidance. The fiber has an array of channels (36') disposed around the core. In one embodiment, the fiber is disposed within a stimulated Brillouin scattering cell (20). In this embodiment, the medium is gas, gel, or liquid. In an alternative embodiment, the medium is a solid disposed at the core of the fiber (130). The invention provides a means of guiding light with a gas filled or solid core structure with high guiding efficiency, high reflection back into the medium, without disturbing the polarization state of the light as it propagates.
    • 一相位共轭镜(10),包括一个光子带隙光导(30)和在其上运行关系布置在受激布里渊散射介质。 在具体的实施方案中,光导是光纤(30)在传播波长具有高折射率的包层和透明空心或实心芯(32“)。 包层(34“)是微结构化的二氧化硅和支持通过受挫隧道光子带隙的指导或布拉格光子带隙指导引导的模式。 该纤维具有围绕芯被布置在通道(36“)的阵列。 在一个中,纤维是实施例一受激布里渊散射的细胞(20)内设置。 在此,实施例的介质是气体,凝胶或液体。 在一个替代实施方案中,介质是在光纤(130)的所述芯的固体处。 本发明提供了具有高导效率,高反射回介质中的气体填充的或实芯结构引导光的手段,而不会干扰光的偏振状态,因为它传播。