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4 条记录 (耗时 0.023 秒)

    Laser Obstacle Ranging and Display
    1.
    发明申请
    Laser Obstacle Ranging and Display 失效

    公开(公告)号：US20090262760A1

    公开(公告)日：2009-10-22

    申请号：US11780920

    申请日：2007-07-20

    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： H01S3/30 ,  G01J1/20 ,  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.

    LASER OBSTACLE RANGING AND DISPLAY
    2.
    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.

    High Power Fiber Laser
    4.
    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）。