Photovoltage detector
    121.
    发明申请
    Photovoltage detector 失效
    光电压检测器

    公开(公告)号:US20060060754A1

    公开(公告)日:2006-03-23

    申请号:US10949120

    申请日:2004-09-23

    Abstract: A method and system for detecting and monitoring a temporal and spatial distribution of a light beam are provided. A semiconductor substrate (120) having a given doping concentration range is partially exposed to an incident laser beam (150). Each part of the semiconductor structure (120) which is exposed to the laser beam is provided with an electrical contact (145), which outputs a voltage which is directly related to the optical power or energy incident on the exposed area. The thermo-voltage is produced by the laser induced thermal gradients. The sensitivity and inter-pixel cross-talk is determined by pixel pitch, doping concentration and window opening (110). Depending of the design, each pixel might be sensitive to the temporal variation of the laser beam.

    Abstract translation: 提供了用于检测和监视光束的时间和空间分布的方法和系统。 具有给定掺杂浓度范围的半导体衬底(120)部分地暴露于入射激光束(150)。 暴露于激光束的半导体结构(120)的每个部分设置有电触点(145),其输出与入射在暴露区域上的光功率或能量直接相关的电压。 热电压由激光诱导的热梯度产生。 灵敏度和像素间串扰通过像素间距,掺杂浓度和开窗来确定(110)。 根据设计,每个像素可能对激光束的时间变化敏感。

    Optical taps formed using fiber gratings
    123.
    发明授权
    Optical taps formed using fiber gratings 有权
    使用光纤光栅形成的光学抽头

    公开(公告)号:US06865320B1

    公开(公告)日:2005-03-08

    申请号:US10373613

    申请日:2003-02-25

    Applicant: Paul Westbrook

    Inventor: Paul Westbrook

    Abstract: A matched pair of tilted gratings may be formed in a section of optical fiber (or waveguide) and used as a “tap” to measure the power of an optical signal passing through the fiber. By using a pair of highly-tilted gratings (e.g., tilted at an angle of 45° with respect to the optical axis) and orienting the gratings to be orthogonal with respect to one another (i.e., azimuthal orthogonality around the fiber axis), a pair of orthogonally polarized beams will be out-coupled from the propagating signal. Since the pair of beams are orthogonal, their sum can be made insensitive to variations in polarization of the optical signal propagating along the fiber.

    Abstract translation: 可以在光纤(或波导)的一部分中形成一对匹配的倾斜光栅,并将其用作“抽头”来测量通过光纤的光信号的功率。 通过使用一对高度倾斜的光栅(例如,相对于光轴以45°的角度倾斜)并且使光栅相对于彼此正交(即,围绕光纤轴的方位正交)定向, 一对正交偏振光束将从传播信号外耦合。 由于该对光束是正交的,它们的和可以对沿着光纤传播的光信号的偏振变化不敏感。

    Insolation sensor
    126.
    发明授权
    Insolation sensor 失效
    绝缘传感器

    公开(公告)号:US5455415A

    公开(公告)日:1995-10-03

    申请号:US110821

    申请日:1993-08-24

    Abstract: An insolation sensor for detecting a substantial insolation direction from the sun including a light shading film an aperture defined therein and provided on one of the surfaces of a glass substrate. A position detection element having a photoelectric conversion film made of a semiconductor is formed on the other surface. The rays of light from the sun are incident as a spot beam H onto the position detection element through the aperture. The position detection element detects a center of the intensity of photocurrent at the beam receiving portion. Therefore, even when the intensity of each of the direct rays and scattered rays from the sun change on the ground depending on the weather conditions, the center position of the distribution of the insolation intensity can be detected in accordance with the weather conditions, and a substantial insolation direction can be detected.

    Abstract translation: 一种日照传感器,用于从太阳检测包括遮光膜的基本日照方向,其中限定在其中并设置在玻璃基板的一个表面上的孔。 具有由半导体构成的光电转换膜的位置检测元件形成在另一个表面上。 来自太阳的光线通过光圈作为点光束H入射到位置检测元件上。 位置检测元件检测光束接收部分处的光电流强度的中心。 因此,即使根据天气条件,来自太阳的每个直射线和散射光的强度在地面上变化,也可以根据天气条件来检测日照强度分布的中心位置,并且 可以检测到大的日照方向。

    Photometer sphere
    128.
    发明授权
    Photometer sphere 失效
    光度计球

    公开(公告)号:US4310246A

    公开(公告)日:1982-01-12

    申请号:US127356

    申请日:1980-03-05

    Inventor: Vladimir Blazek

    CPC classification number: G01J1/04 G01J1/0209 G01J2001/0481

    Abstract: A photometer sphere includes a spherical interior encompassed by a diffusely reflecting wall, provided with apertures for incident light as well as for applying samples and photo detectors in the diffusely reflecting wall. The interior is filled completely by an optically homogenous, clear and stray-free material.

    Abstract translation: 光度计球包括由漫反射壁包围的球形内部,设置有用于入射光的孔以及用于在漫反射壁中施加样品和光电探测器。 内部由光学均匀,透明和无杂质的材料完全填充。

    Infrared receiver for optical radar
    129.
    发明授权
    Infrared receiver for optical radar 失效
    用于光学雷达的红外接收器

    公开(公告)号:US3746454A

    公开(公告)日:1973-07-17

    申请号:US3746454D

    申请日:1971-03-03

    Applicant: US NAVY

    Inventor: ARAMS F PACE F LANGE R

    Abstract: There is disclosed a receiver for an optical radar utilizing a two-dimensional array of microlens image dissectors which completely fills an area of an image plane. Each microlens is directly coupled to a mixer-detector element. The array is adapted to be illuminated with returned focus radiation from a remote reflecting target and with a planar wave of optical energy from a local oscillator. The output signals of the mixerdetectors are analyzed and utilized to orientate the array such that the maximum amplitude output signal corresponds to the central microlens of the array.

    Abstract translation: 公开了一种用于利用完全填充图像平面区域的微透镜图像去除器的二维阵列的光学雷达接收器。 每个微透镜直接耦合到混合器 - 检测器元件。 该阵列适于被来自远程反射目标的返回的聚焦辐射和来自本地振荡器的平面光能量的光能照射。 分析和利用混频器 - 检测器的输出信号使阵列定向,使得最大振幅输出信号对应于阵列的中心微透镜。

    Toric imaging lens for slot censors for satellites
    130.
    发明授权
    Toric imaging lens for slot censors for satellites 失效
    用于卫星的槽式传感器的TORIC成像镜头

    公开(公告)号:US3581099A

    公开(公告)日:1971-05-25

    申请号:US3581099D

    申请日:1968-03-07

    Inventor: FRANKE GEORG G F

    Abstract: Five embodiments of slot sensors for stabilizing the position of a satellite in space are disclosed. All embodiments comprise a glass body having a refractive circumferential surface of 180* angular aperture. In the image plane of the refractive surface is disposed a slot diaphragm, the slot of which is arranged to coincide with the center plane of said glass body. Behind the slot diaphragm there is provided a photoelectric receiver which is sensitive to the electromagnetic rays which are incident on the sensor. In the different embodiments the slot diaphragms are shown to be positioned either in front of or behind the center of rotation of the toric glass body (in the direction of light travel) depending on the radius of the toric shape and on the refractive index of the glass.

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