Precise Broadband Frequency Modulated Laser
    1.
    发明申请
    Precise Broadband Frequency Modulated Laser 有权
    精密宽带调频激光器

    公开(公告)号:US20150071315A1

    公开(公告)日:2015-03-12

    申请号:US14538789

    申请日:2014-11-11

    Abstract: A method and apparatus are described including a laser with a plurality of internal or external actuators for affecting an optical frequency of light output by the laser, wherein the plurality of actuators have a corresponding plurality of different frequency response bands for changing optical properties of the laser and a corresponding plurality of actuation ranges of optical frequencies affected. Also included is an optical detector, and a plurality of optical paths configured to direct light output by the laser onto the detector. A laser controller is configured to provide a plurality of inputs to the plurality of actuators based on a detector signal output from the optical detector and the corresponding frequency response bands and actuation ranges.

    Abstract translation: 描述了一种方法和装置,其包括具有多个内部或外部致动器的激光器,用于影响由激光器输出的光的光频率,其中多个致动器具有对应的多个不同的频率响应带,用于改变激光器的光学特性 并且受影响的光频率的相应的多个致动范围。 还包括光学检测器,以及多个光路,被配置为将由激光器输出的光引导到检测器上。 激光控制器被配置为基于从光学检测器输出的检测器信号和相应的频率响应带和致动范围向多个致动器提供多个输入。

    Precise broadband frequency modulated laser
    2.
    发明授权
    Precise broadband frequency modulated laser 有权
    精密宽带调频激光器

    公开(公告)号:US08913636B2

    公开(公告)日:2014-12-16

    申请号:US13318135

    申请日:2010-04-29

    Abstract: A method, apparatus and computer-readable storage medium are described for a tunable laser source that produces a desired frequency modulated optical waveform with a precision within 0.01 percent over a bandwidth greater than about 50 gigaHertz. An apparatus includes a tunable laser having one or more drive inputs for affecting an optical frequency of light output by the laser; and an optical detector. Multiple optical paths are configured to direct light output by the laser onto the optical detector. A laser controller is configured to provide to a drive input a loopback signal based on a measured or predetermined difference in optical dispersion among the plurality of optical paths and a detector signal output from the optical detector. In some embodiments, a ranging device includes the tunable laser source.

    Abstract translation: 对于可调谐激光源描述了一种方法,装置和计算机可读存储介质,其可产生期望的频率调制光波形,其精度在大于约50千兆赫(Hz)以上的带宽上的0.01%以内。 一种装置包括具有一个或多个驱动输入的可调激光器,用于影响由激光器输出的光的光频率; 和光学检测器。 多个光路被配置为将激光输出的光引导到光学检测器上。 激光控制器被配置为基于多个光路中的光学色散的测量或预定差异以及从光学检测器输出的检测器信号向驱动输入提供环回信号。 在一些实施例中,测距装置包括可调激光源。

    Precise Broadband Frequency Modulated Laser
    3.
    发明申请
    Precise Broadband Frequency Modulated Laser 有权
    精密宽带调频激光器

    公开(公告)号:US20120106579A1

    公开(公告)日:2012-05-03

    申请号:US13318135

    申请日:2010-04-29

    Abstract: A method, apparatus and computer-readable storage medium are described for a tunable laser source that produces a desired frequency modulated optical waveform with a precision within 0.01 percent over a bandwidth greater than about 50 gigaHertz. An apparatus includes a tunable laser having one or more drive inputs for affecting an optical frequency of light output by the laser; and an optical detector. Multiple optical paths are configured to direct light output by the laser onto the optical detector. A laser controller is configured to provide to a drive input a loopback signal based on a measured or predetermined difference in optical dispersion among the plurality of optical paths and a detector signal output from the optical detector. In some embodiments, a ranging device includes the tunable laser source.

    Abstract translation: 对于可调谐激光源描述了一种方法,装置和计算机可读存储介质,其可产生期望的频率调制光波形,其精度在大于约50千兆赫(Hz)以上的带宽上的0.01%以内。 一种装置包括具有一个或多个驱动输入的可调激光器,用于影响由激光器输出的光的光频率; 和光学检测器。 多个光路被配置为将激光输出的光引导到光学检测器上。 激光控制器被配置为基于多个光路中的光学色散的测量或预定差异以及从光学检测器输出的检测器信号向驱动输入提供环回信号。 在一些实施例中,测距装置包括可调激光源。

    Precise broadband frequency modulated laser
    4.
    发明授权
    Precise broadband frequency modulated laser 有权
    精密宽带调频激光器

    公开(公告)号:US09559486B2

    公开(公告)日:2017-01-31

    申请号:US14538789

    申请日:2014-11-11

    Abstract: A method and apparatus are described including a laser with a plurality of internal or external actuators for affecting an optical frequency of light output by the laser, wherein the plurality of actuators have a corresponding plurality of different frequency response bands for changing optical properties of the laser and a corresponding plurality of actuation ranges of optical frequencies affected. Also included is an optical detector, and a plurality of optical paths configured to direct light output by the laser onto the detector. A laser controller is configured to provide a plurality of inputs to the plurality of actuators based on a detector signal output from the optical detector and the corresponding frequency response bands and actuation ranges.

    Abstract translation: 描述了一种方法和装置,其包括具有多个内部或外部致动器的激光器,用于影响由激光器输出的光的光频率,其中多个致动器具有对应的多个不同的频率响应带,用于改变激光器的光学特性 并且受影响的光频率的相应的多个致动范围。 还包括光学检测器,以及多个光路,被配置为将由激光器输出的光引导到检测器上。 激光控制器被配置为基于从光学检测器输出的检测器信号和相应的频率响应带和致动范围向多个致动器提供多个输入。

    Techniques for spatial spectral holography
    5.
    发明授权
    Techniques for spatial spectral holography 有权
    空间光谱全息技术

    公开(公告)号:US08829471B1

    公开(公告)日:2014-09-09

    申请号:US13487577

    申请日:2012-06-04

    CPC classification number: G03H1/0005 G03H2001/0268 G03H2222/10

    Abstract: Techniques for spatial spectral holography include a doped crystal comprising Thulium doped into a host crystal of Yttrium Lutetium Aluminum Garnet wherein a concentration of Thulium atoms is less than 3 atomic percent. Techniques further include an apparatus with a source for optical electromagnetic radiation and a cryocooler configured to maintain an operating temperature in a range from about 3 Kelvin to about 6 Kelvin. The cryocooler includes a first optical window. The apparatus also includes a doped crystal comprising Thulium doped into a host crystal of Yttrium Lutetium Aluminum Garnet disposed inside the cryocooler in a position to be illuminated by incident optical electromagnetic radiation derived from the source. The apparatus also includes a detector configured to detect optical electromagnetic radiation emitted from the doped crystal. Techniques include a method for using at least one of the above doped crystals.

    Abstract translation: 用于空间光谱全息术的技术包括掺杂钇掺杂到钇镥铝石榴石的主晶体中的掺杂晶体,其中钍原子的浓度小于3原子百分比。 技术还包括具有用于光学电磁辐射的源的装置和被配置为将工作温度维持在约3开尔文至约6开尔文范围内的低温冷却器。 低温冷却器包括第一光学窗口。 该装置还包括掺杂晶体,其包含掺入钇镥铝石榴石的主晶体中的ium,所述钇铝钇铝石榴石置于低温冷却器的内部,并由源自源的入射光电磁辐射照射。 该装置还包括检测器,其被配置为检测从掺杂晶体发射的光电磁辐射。 技术包括使用至少一种上述掺杂晶体的方法。

    Spatial Spectral Photonic Receiver for Direction Finding via Wideband Phase Sensitive Spectral Mapping
    6.
    发明申请
    Spatial Spectral Photonic Receiver for Direction Finding via Wideband Phase Sensitive Spectral Mapping 审中-公开
    空间光谱光子接收器,用于通过宽带相位敏感谱映射进行方向寻找

    公开(公告)号:US20120140236A1

    公开(公告)日:2012-06-07

    申请号:US13160207

    申请日:2011-06-14

    CPC classification number: G01S3/46 G01S3/043

    Abstract: An apparatus includes a single or dual output port, dual-drive Mach-Zehnder Interferometer configured to generate a first optical signal in one path, and to generate a second optical signal in a different path. The apparatus also includes an optical spectrum analyzer configured to receive output from at least one port of the dual-drive Mach-Zehnder Interferometer. A method includes causing radio frequency signals from two different antennae to modulate an optical carrier at a corresponding drive of a dual-drive Mach-Zehnder Interferometer, and causing output from at least one port of the Mach-Zehnder Interferometer to be directed to an optical spectrum analyzer. The method further comprises determining arrival angle at each of a plurality of frequencies in the radio frequency signals based on output from the optical spectrum analyzer.

    Abstract translation: 一种装置包括单输出端口或双输出端口,双驱动马赫 - 曾德干涉仪,其被配置为在一个路径中产生第一光信号,并在不同路径中产生第二光信号。 该装置还包括配置成从双驱动马赫 - 曾德干涉仪的至少一个端口接收输出的光谱分析仪。 一种方法包括使来自两个不同天线的射频信号在双驱动马赫 - 曾德干涉仪的相应驱动下调制光学载体,并且使来自马赫 - 曾德干涉仪的至少一个端口的输出被引导到光学 频谱分析仪 该方法还包括基于来自光谱分析仪的输出来确定射频信号中的多个频率中的每个频率处的到达角度。

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