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51 条记录 (耗时 0.031 秒)

    INFRARED DETECTOR WITH INCREASED IMAGE RESOLUTION
    1.
    发明申请
    INFRARED DETECTOR WITH INCREASED IMAGE RESOLUTION 审中-公开

    公开(公告)号：US20180160056A1

    公开(公告)日：2018-06-07

    申请号：US15866799

    申请日：2018-01-10

    申请人： ELBIT SYSTEMS ELECTRO-OPTICS ELOP LTD.

    发明人： Shalom BINDER ,  Dov FRIEMAN ,  Avishay NACHUM

    IPC分类号： H04N5/33 ,  H04N5/349

    摘要： An apparatus for increasing the resolution of at least one portion of a cryogenically cooled and vacuum-sealed infrared imaging detector including a two-dimensional detector array having a fill factor value, the portion of the array successively exposed to an image scene to acquire multiple infrared imaging samples of the scene, a masking filter having a single pattern, disposed between the array and the image scene and operative to reduce the fill factor value of the portion of the array by a fill factor reduction amount (FFRA), an optical element disposed between the masking filter and the image scene, a directional angle shifter for shifting an angle at which the imaging samples are directed onto the portion of the array thereby successively shifting the image scene relative to the portion of the array between each of the imaging samples by a shifting increment corresponding to the FFRA and a processor.

    MODULATION OF FIBER LASER PUMPED DIFFERENCE FREQUENCY GENERATOR
    2.
    发明申请
    MODULATION OF FIBER LASER PUMPED DIFFERENCE FREQUENCY GENERATOR 有权
    纤维激光泵浦差分频率发生器的调制

    公开(公告)号：US20110261440A1

    公开(公告)日：2011-10-27

    申请号：US13125110

    申请日：2009-12-07

    申请人： Zachary Sacks ,  Doron Chomsky ,  Dov Abramovich ,  Doron David

    发明人： Zachary Sacks ,  Doron Chomsky ,  Dov Abramovich ,  Doron David

    IPC分类号： H01S3/067

    CPC分类号： H01S3/2308 ,  G02F1/3515 ,  G02F1/3534 ,  G02F1/39 ,  H01S3/06758 ,  H01S3/094076 ,  H01S3/10015

    摘要： Systems and methods for modulating the output of a difference frequency generator such as an OPO, OPA or OPG include a pump fiber laser having at least one internal, directly modulatible component, wherein the pump fiber laser produces a pump signal, and a difference frequency generator coupled to the pump fiber laser. The difference frequency generator is configured for accepting the pump signal of the pump fiber laser and producing an output signal, wherein parameters of the output signal are determined based on direct modulation of the internal, directly modulatible component of the pump fiber laser.

    摘要翻译： 用于调制诸如OPO，OPA或OPG的差频发生器的输出的系统和方法包括具有至少一个内部直接调制的部件的泵浦光纤激光器，其中所述泵浦光纤激光器产生泵浦信号，以及差频发生器 耦合到泵浦光纤激光器。 差频发生器被配置为接受泵浦光纤激光器的泵浦信号并产生输出信号，其中基于泵浦光纤激光器的内部直接调制部件的直接调制来确定输出信号的参数。

    LASER OBSTACLE RANGING AND DISPLAY
    3.
    发明申请
    LASER OBSTACLE RANGING AND DISPLAY 审中-公开

    公开(公告)号：US20110096320A1

    公开(公告)日：2011-04-28

    申请号：US12914887

    申请日：2010-10-28

    申请人： Vladimir Krupkin ,  Avishay Yaniv ,  Alla German ,  Moshe Sarid ,  Avigdor Zajdman ,  Elena Luria ,  Itamar Shoshan

    发明人： Vladimir Krupkin ,  Avishay Yaniv ,  Alla German ,  Moshe Sarid ,  Avigdor Zajdman ,  Elena Luria ,  Itamar Shoshan

    IPC分类号： G01P3/36

    CPC分类号： H01S3/067 ,  G01S7/414 ,  G01S7/4817 ,  G01S7/4818 ,  G01S7/484 ,  G01S7/4868 ,  G01S7/487 ,  G01S13/18 ,  G01S13/22 ,  G01S17/026 ,  G01S17/933 ,  H01S3/06754 ,  H01S3/06758 ,  H01S3/094007 ,  H01S3/094011 ,  H01S3/1608 ,  H01S3/1618 ,  H01S3/2333

    摘要： Apparatus, for detecting at least one object and preventing receiver burn-out, mounted on a vehicle, including a laser and at least one receiver, the receiver being coupled with the laser, the laser for transmitting a beam of light and the receiver for detecting reflections of the beam of light from the object, the laser including at least one signal diode, a commutator, a power supply signal diode driver, a circulator, an erbium doped fiber (EDF), a wavelength division multiplexer (WDM), a narrow band Bragg reflector, a first fiber pump diode, an output combiner and a second fiber pump diode, the commutator being coupled with each signal diode and the power supply signal diode drive, the circulator being optically coupled with each signal diode, the EDF and the output combiner, the WDM being optically coupled with the EDF, the narrow band Bragg reflector and the first fiber pump diode and the second fiber pump diode being optically coupled with the output combiner, each signal diode generating a beam of light distinct from one another, the power supply signal diode driver for supplying energy to each signal diode, the circulator for directing the beam of light in at least one of at least two different directions, the EDF for amplifying the beam of light thereby producing an amplified beam of light, the narrow band Bragg reflector for reflecting only the amplified beam of light through the EDF a second time, thereby producing a double amplified beam of light and the first fiber pump diode and the second fiber pump diode for pumping the EDF, wherein the WDM and each of the signal diodes are located on opposite sides of the EDF, wherein the output combiner outputs the beam of light, wherein the commutator enables each signal diode, one at a time, to draw a predetermined amount of energy from the power supply signal diode driver, wherein one signal diode generates a low energy beam of light and another one generates a high energy beam of light, wherein the low energy beam of light is transmitted by the output combiner before the high energy beam of light, and when the low energy beam of light is detected by the receiver, and the energy level of the low energy beam is above a predetermined threshold, the high energy beam of light is not transmitted.

    VIBRATORY GYROSCOPIC DEVICE FOR DETERMINING ANGULAR VELOCITY
    5.
    发明申请
    VIBRATORY GYROSCOPIC DEVICE FOR DETERMINING ANGULAR VELOCITY 失效
    用于确定角速度的振动陀螺仪

    公开(公告)号：US20100107761A1

    公开(公告)日：2010-05-06

    申请号：US12527174

    申请日：2008-02-13

    申请人： Atzmon Ofri ,  Daniel Wormser ,  Mordekhai Velger ,  Yizhar Weiss ,  Boris Berg

    发明人： Atzmon Ofri ,  Daniel Wormser ,  Mordekhai Velger ,  Yizhar Weiss ,  Boris Berg

    IPC分类号： G01C19/56 ,  H01B13/00 ,  C23C14/34

    CPC分类号： G01C19/5684

    摘要： A vibratory gyroscopic device to determine the rotation rate of an object and method of manufacturing thereof, the device including a plurality of supporting springs arranged in pairs to exhibit bilateral symmetry via each pair (i.e., mirror-image symmetry) relative to each other such that the asymmetries in the characteristics of the ring (e.g., resonant frequency, response to angular velocity), caused by asymmetries in the structure of the ring, are reduced.

    摘要翻译： 一种用于确定物体的旋转速度的振动陀螺仪装置及其制造方法，所述装置包括成对布置的多个支撑弹簧，以相对于彼此经由每对（即，镜像对称）呈现双侧对称，使得 由于环的结构的不对称性引起的环的特性的不对称性（例如，共振频率，对角速度的响应）降低。

    High Power Fiber Laser
    6.
    发明申请
    High Power Fiber Laser 审中-公开
    大功率光纤激光器

    公开(公告)号：US20080219300A1

    公开(公告)日：2008-09-11

    申请号：US12088378

    申请日：2006-09-26

    申请人： Vladimir Krupkin ,  Avishay Yaniv ,  Elena Luria

    发明人： Vladimir Krupkin ,  Avishay Yaniv ,  Elena Luria

    IPC分类号： H01S3/00 ,  H01S3/23

    CPC分类号： H01S3/06754 ,  G01P5/26 ,  G01S17/95 ,  H01S3/06712 ,  H01S3/06729 ,  H01S3/06787 ,  H01S3/08031 ,  H01S3/2383 ,  Y02A90/19

    摘要： Fiber laser (130), for producing a single mode (SM) polarized single frequency (SF) high power laser beam of light, the fiber laser including an SF laser oscillator (132), a fiber laser pre amplifier (134, 150) and a high power fiber laser power amplifier (136, 200, 300), the fiber laser pre amplifier being optically coupled with the laser oscillator and the high power fiber laser power amplifier being optically coupled with the fiber laser pre amplifier, the SF laser oscillator for generating a laser beam of light having a predetermined frequency, the fiber laser pre amplifier for pre amplifying the laser beam of light and the high power fiber laser power amplifier for amplifying the laser beam of light, the high power fiber laser power amplifier including a fiber optic isolator (206, 302), at least one first amplification stage (202, 314) and at least one second amplification stage (204, 316), the fiber optic isolator being optically coupled with the fiber laser pre amplifier and the second amplification stage being optically coupled with the first amplification stage, the first amplification stage for amplifying the laser beam of light, the second amplification stage for further amplifying the laser beam of light and the second amplification stage outputting the laser beam of light (230, 310).

    摘要翻译： 用于产生单模（SM）极化单频（SF）大功率激光束的光纤激光器（130），所述光纤激光器包括SF激光振荡器（132），光纤激光预放大器（134,150）和 高功率光纤激光功率放大器（136,200,300），与激光振荡器光学耦合的光纤激光预放大器和与光纤激光预放大器光学耦合的高功率光纤激光功率放大器，用于 产生具有预定频率的激光束，用于预放大激光束的光纤激光预放大器和用于放大激光束的大功率光纤激光功率放大器，包括光纤的大功率光纤激光功率放大器 光隔离器（206,302），至少一个第一放大级（202,314）和至少一个第二放大级（204,316），光纤隔离器与光纤激光预放大器光学耦合 所述第二放大级与所述第一放大级光学耦合，所述第一放大级用于放大所述激光束，所述第二放大级用于进一步放大所述激光束，所述第二放大级输出所述激光束 （230,310）。