Optical antenna
    1.
    发明申请
    Optical antenna 有权
    光天线

    公开(公告)号:US20060008238A1

    公开(公告)日:2006-01-12

    申请号:US10532811

    申请日:2003-01-31

    IPC分类号: G02B6/26

    摘要: An optical antenna includes an optical element mount (3) for mounting fiber ends (1a and 2a) of optical fibers (1 and 2) at different positions; and an optical transmitting and receiving system (4) for collimating, when laser beams are radiated from the fiber ends (1a and 2a), the laser beams to parallel light rays toward the space, and for focusing, when laser beams arrive from the space, the laser beams onto the fiber ends (1a and 2a) This makes it possible to set two optical transmitting and receiving directions 5 and 6 without installing complicated mechanical elements.

    摘要翻译: 光学天线包括用于将光纤(1和2)的光纤端部(1和2a)安装在不同位置的光学元件安装件(3) 以及光学发射和接收系统(4),用于当激光束从光纤端部(1a和2a)辐射时,将激光束平行射向空间并用于聚焦,当激光束从 该空间,激光束到纤维端部(1a和2a)上,这使得可以在不安装复杂的机械元件的情况下设置两个光学发射和接收方向5和6。

    Optical antenna
    2.
    发明授权
    Optical antenna 有权
    光天线

    公开(公告)号:US07151882B2

    公开(公告)日:2006-12-19

    申请号:US10532811

    申请日:2003-01-31

    IPC分类号: G02B6/00

    摘要: An optical antenna includes an optical element mount (3) for mounting fiber ends (1a and 2a) of optical fibers (1 and 2) at different positions; and an optical transmitting and receiving system (4) for collimating, when laser beams are radiated from the fiber ends (1a and 2a), the laser beams to parallel light rays toward the space, and for focusing, when laser beams arrive from the space, the laser beams onto the fiber ends (1a and 2a) This makes it possible to set two optical transmitting and receiving directions 5 and 6 without installing complicated mechanical elements.

    摘要翻译: 光学天线包括用于在不同位置安装光纤(1和2)的光纤端部(1a和2a)的光学元件安装件(3) 以及光学发射和接收系统(4),用于当激光束从光纤端部(1a和2a)辐射时,将激光束平行射向空间并用于聚焦,当激光束从 该空间,激光束到纤维端部(1a和2a)上,这使得可以在不安装复杂的机械元件的情况下设置两个光学发射和接收方向5和6。

    Apparatus and method for estimating and adjusting deviations in an optical system based on wavefront aberrations ascribable to misalignment
    3.
    发明授权
    Apparatus and method for estimating and adjusting deviations in an optical system based on wavefront aberrations ascribable to misalignment 有权
    基于由于不对准引起的波前像差来估计和调整光学系统中的偏差的装置和方法

    公开(公告)号:US07098433B2

    公开(公告)日:2006-08-29

    申请号:US10415936

    申请日:2002-01-17

    IPC分类号: G01J1/20

    摘要: An optical system deviation estimating apparatus includes an erected/inverted attitude setting means 9 for changing dispositional attitude of an optical system under test, a non-interferometric type wavefront measuring means 10 for measuring wavefronts at the attitudes as set up without resorting to interference phenomenon of light, a polynomial approximation means 15 for expanding measured wavefront values determined by the non-interferometric type wavefront measuring means 10 to a polynomial, an averaging arithmetic means 11 for averaging the measured values derived from output of the non-interferometric type wavefront measuring means 10 or alternatively arithmetic values derived from output of the polynomial approximation means 15, and a polynomial specific coefficient extraction arithmetic means 16 for extracting specific coefficient values of the polynomial.

    摘要翻译: 一种光学系统偏差估计装置,包括用于改变被测光学系统的姿态的竖立/反转姿态设定装置9,用于在不采取干扰现象的情况下测量姿态下的波前测量的非干涉式波前测量装置10 光,用于将由非干涉型波前测量装置10确定的测量波前值扩展为多项式的多项式近似装置15,用于对从非干涉式波前测量装置10的输出得到的测量值进行平均的平均运算装置11 或从多项式近似装置15的输出导出的算术值,以及用于提取多项式的特定系数值的多项式特定系数提取运算装置16。

    Airspeed / wind speed measurement device for aircraft, and display device for same
    4.
    发明申请
    Airspeed / wind speed measurement device for aircraft, and display device for same 失效
    飞机空速/风速测量装置及其显示装置

    公开(公告)号:US20070236367A1

    公开(公告)日:2007-10-11

    申请号:US11392515

    申请日:2006-03-30

    IPC分类号: G01C23/00

    摘要: In the measurement system for an aircraft according to the present invention, the three-axis components of the airspeed of the aircraft, the three-axis components of the wind speed currently encountered by the aircraft, and the wind speed distribution ahead of the aircraft, are measured simultaneously, by providing a Doppler anemometer which measures the airflow speeds at a plurality of points separated by a prescribed distance in the beam irradiation direction, and an inertial data measurement device which measures the movement information and positional information of the aircraft. Furthermore, in the measurement system for an aircraft according to the present invention, the measurement accuracy of the device is improved by providing means for obtaining information the movement and positional information of the aircraft during measurement, from the inertial data measurement device, and for correcting the measurement values from the Doppler anemometer by means of the information.

    摘要翻译: 在根据本发明的飞行器的测量系统中,飞行器空速的三轴分量,飞机当前遇到的风速的三轴分量以及飞机前方的风速分布, 通过提供测量在光束照射方向上分开了规定距离的多个点处的气流速度的多普勒风速计和测量飞行器的移动信息和位置信息的惯性数据测量装置同时测量。 此外,在本发明的飞机的测量系统中,通过提供用于从惯性数据测量装置获取信息,测量中的飞行器的移动和位置信息以及用于校正的装置,来提高装置的测量精度 来自多普勒风速计的测量值通过信息。

    Optical wavelength conversion element, wavelength conversion laser device, and image display device
    6.
    发明授权
    Optical wavelength conversion element, wavelength conversion laser device, and image display device 有权
    光波长转换元件,波长转换激光器件和图像显示器件

    公开(公告)号:US08705165B2

    公开(公告)日:2014-04-22

    申请号:US13121135

    申请日:2009-09-17

    摘要: An optical wavelength conversion element includes: a wavelength conversion waveguide that has a periodic polarization reversal structure having alternately and cyclically formed domains of which polarization directions are inverted, that guides light as a fundamental wave corresponding to the periodic polarization reversal structure, and performs a wavelength conversion of the guided fundamental wave; a first clad that is made of a dielectric having a refractive index lower than that of the wavelength conversion waveguide and is provided in contact with the domains; a second clad that is made of a dielectric having a refractive index lower than that of the wavelength conversion waveguide and is provided in contact with the domains such that the second clad is opposed to the first clad film; a first conducting unit that electrically connects the domains in parallel via the first clad; and a second conducting unit that electrically connects the domains in parallel via the second clad.

    摘要翻译: 光波长转换元件包括:具有周期性极化反转结构的波长转换波导,其具有交替循环形成的极化方向反转的畴,其引导光作为与周期性极化反转结构对应的基波,并且执行波长 导向基波的转换; 第一包层,其由折射率低于波长转换波导的折射率的电介质构成,并且与所述畴接触; 第二包层,其由折射率低于波长转换波导的折射率的电介质构成,并且与所述畴接触,使得第二包层与第一包层膜相对; 第一导电单元,其通过第一包层电连接畴; 以及第二导电单元,其通过第二包层电连接所述畴。

    Optical control type phased array antenna
    8.
    发明授权
    Optical control type phased array antenna 失效
    光控型相控阵天线

    公开(公告)号:US07382983B2

    公开(公告)日:2008-06-03

    申请号:US10533181

    申请日:2003-05-29

    CPC分类号: H01Q3/2676

    摘要: An optical control type phased array antenna includes a laser generating means for generating light of single wavelength, an optical path branching means for branching the light emitted from the laser generating means into first and second transmission lights, a high frequency signal generating means for generating a high frequency signal, an optical frequency modulating means for shifting the frequency of the first transmission light branched by the optical path branching means by the frequency of a high frequency signal thus generated, a spatial light phase modulating means performing spatial phase modulation of the first transmission light shifted by the frequency of a high frequency signal depending on the antenna beam pattern, and an optical path branching/multiplexing means for multiplexing the first transmission light subjected to phase modulation and the second transmission light branched by the optical path branching means. Optical path lengths of two paths between the optical path branching means and the optical path branching/multiplexing means are equalized.

    摘要翻译: 光控制型相控阵天线包括用于产生单波长的光的激光发生装置,用于将从激光发生装置发射的光分支到第一和第二透射光的光路分支装置,用于产生 高频信号;光频调制装置,用于将由光路分支装置分支的第一透射光的频率移动到由此产生的高频信号的频率;空间光相位调制装置,执行第一传输的空间相位调制 根据天线波束图案移位高频信号的频率的光路分支/多路复用装置,用于多路复用经相位调制的第一透射光和由光路分支装置分支的第二透射光。 光路分支装置和光路分支/多路复用装置之间的两条路径的光路长度相等。

    Coherent laser radar
    9.
    发明申请
    Coherent laser radar 有权
    相干激光雷达

    公开(公告)号:US20060071846A1

    公开(公告)日:2006-04-06

    申请号:US10520128

    申请日:2003-05-30

    IPC分类号: G01S13/00

    摘要: To obtain a coherent laser radar device that realizes high reliability and the high output of a transmitted light, the device includes a first optical coupler that branches a laser beam from a laser source into two lights, a local light and a transmitted light, an optical modulator that modulates the transmitted light, a space type optical amplifier that amplifies the modulated transmitted light, a transmitting/receiving optical system that applies the amplified transmitted light toward a target and receives a scattered light from the target, a transmitting/receiving light splitting device that splits the transmitted light and the received light, a second optical coupler that mixes the local light and the split received light together, a photodetector that detects heterodyne of a mixed light, a beat signal amplifier that amplifies a detected signal, a signal processing device that processes an amplified signal, and a display device that displays a processed result. The first and second optical couplers and an optical modulator are structured by polarization maintained type optical elements, and an optical path that extends from the laser source to the space type optical amplifier through the first optical coupler, an optical path that extends from the transmitting/receiving light splitting device to the photodetector through the second optical coupler, and an optical path that extends from the first optical coupler to the second optical coupler are connected by polarization maintained type single mode optical fibers.

    摘要翻译: 为了获得实现高可靠性和透射光的高输出的相干激光雷达装置,该装置包括第一光耦合器,其将来自激光源的激光束分成两个光,局部光和透射光,光学 调制透射光的调制器,放大经调制的透射光的空间型光放大器,将放大的透射光施加到目标并接收来自目标的散射光的发射/接收光学系统,发射/接收分光装置 将透射光和接收光分开的第二光耦合器,将局部光和分离的接收光混合在一起的第二光耦合器,检测混合光的外差的光电检测器,放大检测信号的拍频信号放大器,信号处理装置 处理放大信号,以及显示处理结果的显示装置。 第一和第二光耦合器和光调制器由偏振维持型光学元件构成,以及通过第一光耦合器从激光源延伸到空间型光放大器的光路,从发射/ 通过所述第二光耦合器将光分离装置接收到所述光电检测器,并且从所述第一光耦合器延伸到所述第二光耦合器的光路通过偏振维持型单模光纤连接。