Methods, systems, and devices for multibeam coherent detection and speckle mitigation
    41.
    发明授权
    Methods, systems, and devices for multibeam coherent detection and speckle mitigation 有权
    用于多光束相干检测和散斑缓解的方法,系统和设备

    公开(公告)号:US09279718B2

    公开(公告)日:2016-03-08

    申请号:US13767288

    申请日:2013-02-14

    Abstract: Methods, systems, and devices are provided that may facilitate multibeam coherent detection and/or speckle mitigation. For example, some embodiments provide for multiple simultaneous independent speckle realizations in light reflected from an actively illuminated target while also may simultaneously provide reference beams inherently aligned to each speckle. These tools and techniques may facilitate coherent detection of light returned from a target. In some cases, this may provide the basis for substantial speckle mitigation. With the addition of illumination phase or frequency modulation and/or intelligent algorithmic methods, some designs may utilize the multiple speckle returns to actively mitigate speckle noise, and can further be used to separately measure speckle phase to implement interferometric resolution surface tilt measurement and/or surface imaging. These tools and techniques may be utilized for other purposes related to multibeam coherent detection and/or speckle mitigation.

    Abstract translation: 提供了可以促进多光束相干检测和/或散斑缓解的方法,系统和装置。 例如,一些实施例在从有源照射的目标反射的光中提供多个同时独立的散斑实现,同时还可以同时提供固有地对准每个散斑的参考光束。 这些工具和技术可以促进从目标返回的光的相干检测。 在某些情况下,这可能为大量斑点减轻提供依据。 通过添加照明相位或频率调制和/或智能算法方法,一些设计可以利用多个散斑返回来主动减轻散斑噪声,并且还可以用于分别测量斑点相位以实现干涉分辨率表面倾斜测量和/或 表面成像。 这些工具和技术可以用于与多光束相干检测和/或散斑缓解相关的其它目的。

    MEASUREMENT SYSTEM
    42.
    发明申请
    MEASUREMENT SYSTEM 有权
    测量系统

    公开(公告)号:US20160061655A1

    公开(公告)日:2016-03-03

    申请号:US14825304

    申请日:2015-08-13

    Inventor: KATSUYA NOZAWA

    Abstract: A measurement system, comprising: a first light source that generates first light and irradiates an object with the first light, at least one of an intensity, a polarization state, and a wavelength being modulated with a first period in the first light; a second light source that generates second light, at least one of an intensity, a polarization state, and a wavelength being modulated with a second period in the second light; a first optical system that mixes light from the object based on the first light with the second light; a nonlinear optical crystal that generates third light from the mixed light by sum-frequency generation phenomenon, the third light having a frequency equivalent to a sum of a frequency of the light from the object based on the first light and a frequency of the second light; and a photodetector that measures an intensity of the third light.

    Abstract translation: 一种测量系统,包括:第一光源,其产生第一光并用第一光照射具有第一光的第一周期的强度,偏振状态和波长中的至少一个中的至少一个; 第二光源,其产生第二光,在第二光中以第二周期调制的强度,偏振状态和波长中的至少一个; 第一光学系统,其将来自所述物体的来自所述第一光的光与所述第二光混合; 通过和频产生现象从混合光产生第三光的非线性光学晶体,具有与基于第一光的来自物体的光的频率和第二光的频率相等的频率的频率的第三光 ; 以及测量第三光强度的光电检测器。

    SMART DEVICE INCLUDING BIOMETRIC SENSOR
    45.
    发明申请
    SMART DEVICE INCLUDING BIOMETRIC SENSOR 有权
    智能设备,包括生物传感器

    公开(公告)号:US20150355604A1

    公开(公告)日:2015-12-10

    申请号:US14462759

    申请日:2014-08-19

    Abstract: An apparatus can include a wrist worn device configured to be worn on a wrist of a user. The apparatus can include a controller. The apparatus can include a power supply. The apparatus can include a light emitter that can emit light from a user side of the wrist worn device to a wrist of the user. The apparatus can include a light detector that can detect light reflected from the wrist of the user from the first light emitter and can send a detector signal to the controller. The detector signal can be based on the detected light. The apparatus can include a lens coupled to a user side of the wrist worn device external to the light emitter and light detector. The lens can include an opaque section. The lens can also include light transmissive section that transmits light from the light emitter to the user.

    Abstract translation: 一种装置可以包括构造成佩戴在使用者手腕上的腕部佩戴装置。 该装置可以包括控制器。 该装置可以包括电源。 该装置可以包括能够从手腕佩戴装置的使用者侧将光发射到用户手腕的光发射器。 该装置可以包括光检测器,其可以从第一光发射器检测从用户手腕反射的光并且可以向控制器发送检测器信号。 检测器信号可以基于检测到的光。 该装置可以包括耦合到光发射器和光检测器外部的腕部佩戴装置的使用者侧的透镜。 透镜可以包括不透明部分。 透镜还可以包括将光从发光器传输到用户的透光部分。

    MODAL DECOMPOSITION OF A LASER BEAM
    47.
    发明申请
    MODAL DECOMPOSITION OF A LASER BEAM 审中-公开
    激光束的模态分解

    公开(公告)号:US20150292941A1

    公开(公告)日:2015-10-15

    申请号:US14437794

    申请日:2013-10-24

    Applicant: CSIR

    Abstract: A method and apparatus for performing a modal decomposition of a laser beam are disclosed. The method includes the steps of performing a measurement to determine the second moment beam size (w) and beam propagation factor (M2) of the laser beam, and inferring the scale factor (wO) of the optimal basis set of the laser beam from the second moment beam size and the beam propagation factor, from the relationship: wO=w/M2. An optimal decomposition is performing using the scale factor wO to obtain an optimal mode set of adapted size. The apparatus includes a spatial light modulator arranged for complex amplitude modulation of an incident laser beam, and imaging means arranged to direct the incident laser beam onto the spatial light modulator. Fourier transforming lens is arranged to receive a laser beam reflected from the spatial light modulator. A detector is placed a distance of one focal length away from the Fourier transforming lens for monitoring a diffraction pattern of the laser beam reflected from the spatial light modulator and passing through the Fourier transforming lens. The apparatus performs an optical Fourier transform on the laser beam reflected from the spatial light modulator and determines the phases of unknown modes of the laser beam, to perform a modal decomposition of the laser beam.

    Abstract translation: 公开了一种用于执行激光束的模态分解的方法和装置。 该方法包括以下步骤:执行测量以确定激光束的第二力矩光束尺寸(w)和光束传播因子(M2),并推断来自激光束的激光束的最佳基准集的比例因子(w0) 二次波束尺寸和波束传播因子,从关系:wO = w / M2。 使用比例因子wO执行最佳分解以获得适应尺寸的最佳模式集合。 该装置包括布置成用于入射激光束的复振幅调制的空间光调制器,以及被配置为将入射激光束引导到空间光调制器上的成像装置。 傅立叶变换透镜被布置成接收从空间光调制器反射的激光束。 离开傅里叶变换透镜放置距离一个焦距的检测器,用于监测从空间光调制器反射并穿过傅里叶变换透镜的激光束的衍射图案。 该装置对从空间光调制器反射的激光束进行光学傅立叶变换,并确定激光束的未知模式的相位,以执行激光束的模态分解。

    Four-axis gimbaled airborne sensor having a second coelostat mirror to rotate about a third axis substantially perpendicular to both first and second axes
    48.
    发明授权
    Four-axis gimbaled airborne sensor having a second coelostat mirror to rotate about a third axis substantially perpendicular to both first and second axes 有权
    四轴万向架机载传感器,具有第二定型镜,以绕第一和第二轴线基本垂直的第三轴线旋转

    公开(公告)号:US09121758B2

    公开(公告)日:2015-09-01

    申请号:US13951988

    申请日:2013-07-26

    Inventor: Lacy G. Cook

    Abstract: An optical sensor assembly in which a four axis gimbal and dual coelostat mirror configuration provide pointing of the sensor line of sight in azimuth and elevation, stabilized for platform pitch. One example of a sensor system includes a first optical sub-system including a first plurality of optical elements, and a second optical sub-system configured to rotate about a first axis relative to the first optical sub-system. The second optical sub-system includes afocal foreoptics configured to direct a collimated beam of electromagnetic radiation to the first optical sub-system, a first coelostat minor configured to rotate about a second axis substantially perpendicular to the first axis, and a second coelostat mirror configured to rotate about a third axis substantially perpendicular to both the first axis and the second axis, and to receive electromagnetic radiation reflected by the first coelostat minor and to direct the electromagnetic radiation to the afocal foreoptics.

    Abstract translation: 一种光学传感器组件,其中四轴万向架和双重定型镜配置提供传感器视线方位角和仰角的指向,稳定平台间距。 传感器系统的一个示例包括包括第一多个光学元件的第一光学子系统和被配置为围绕第一轴相对于第一光学子系统旋转的第二光学子系统。 所述第二光学子系统包括被配置为将准直的电磁辐射束引导到所述第一光学子系统的无焦焦前视图,被配置为围绕基本上垂直于所述第一轴线的第二轴线旋转的第一定型镜小配置器,以及配置 基本上垂直于第一轴线和第二轴线的第三轴线旋转,并且接收由第一系统调节器副反射的电磁辐射并且将电磁辐射引导到无焦距的前视。

    Light-trapping sheet, and light-receiving device and light-emitting device using the same
    49.
    发明授权
    Light-trapping sheet, and light-receiving device and light-emitting device using the same 有权
    光捕获片,光接收装置及使用其的发光装置

    公开(公告)号:US09103978B2

    公开(公告)日:2015-08-11

    申请号:US13947541

    申请日:2013-07-22

    Abstract: A light-trapping sheet of the present disclosure includes: a plurality of light-transmitting sheets each having first and second principal surfaces; and a plurality of light-coupling structures arranged in an inner portion of each of the plurality of light-transmitting sheets at a first and second distance from the first and second principal surfaces, respectively. Each of the plurality of light-coupling structures includes a first light-transmitting layer, a second light-transmitting layer, and a third light-transmitting layer sandwiched therebetween. A refractive index of the first and second light-transmitting layers is smaller than a refractive index of the light-transmitting sheet; and a refractive index of the third light-transmitting layer is larger than the refractive index of the first and second light-transmitting layers. The third light-transmitting layer has a diffraction grating parallel to the first and second principal surfaces of the light-transmitting sheet.

    Abstract translation: 本公开的遮光片包括:多个透光片,每个透光片具有第一和第二主表面; 以及多个光耦合结构,其分别在所述第一和第二主表面的第一和第二距离处布置在所述多个透光片中的每一个的内部。 多个光耦合结构中的每一个包括第一透光层,第二透光层和夹在其间的第三透光层。 第一和第二透光层的折射率小于透光片的折射率; 并且第三透光层的折射率大于第一透光层和第二透光层的折射率。 第三透光层具有平行于透光片的第一和第二主表面的衍射光栅。

    COMPOSITE SENSOR AND COMPOSITE SENSOR MODULE
    50.
    发明申请
    COMPOSITE SENSOR AND COMPOSITE SENSOR MODULE 有权
    复合传感器和复合传感器模块

    公开(公告)号:US20150211935A1

    公开(公告)日:2015-07-30

    申请号:US14415868

    申请日:2013-04-16

    Abstract: In a composite sensor, an arrangement region of thermal image sensors and an arrangement region of range image sensors are arranged so as to overlap each other as seen in the mounting direction. This makes it possible to acquire thermal and range images coaxially, thereby suppressing image misalignment between the thermal and range images. In the composite sensor, a seal body formed by mounting the first and second substrates on top of each other seals a space about the thermal image sensors in a vacuum state. This can prevent the heat occurring about the range image sensors from affecting the thermal image sensor side. In addition, the substrate arranged with the thermal image sensors and the substrate arranged with the range image sensors are separate from each other, which can secure a degree of freedom in designing.

    Abstract translation: 在复合传感器中,沿着安装方向看,热图像传感器的排列区域和范围图像传感器的布置区域被布置成彼此重叠。 这使得可以同轴地获取热和范围图像,从而抑制热和距离图像之间的图像未对准。 在复合传感器中,通过将第一和第二基板彼此顶部安装形成的密封体在真空状态下封闭围绕热像传感器的空间。 这可以防止范围图像传感器发生的热量影响热图像传感器侧。 此外,布置有热图像传感器的基板和布置有范围图像传感器的基板彼此分离,这可以确保设计的自由度。

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