ADJUSTABLE SPEED FAST LASER SCANNING SYSTEM AND TWO-PHOTON MICROSCOPE ASSOCIATED
    212.
    发明申请
    ADJUSTABLE SPEED FAST LASER SCANNING SYSTEM AND TWO-PHOTON MICROSCOPE ASSOCIATED 审中-公开
    可调速度快速激光扫描系统和两光子显微镜相关

    公开(公告)号:US20160274440A1

    公开(公告)日:2016-09-22

    申请号:US15034553

    申请日:2014-11-07

    Abstract: The present invention concerns a laser scanning system (18) comprising: —a first acousto-optical deflector (30) deflecting a beam in a first direction (X) to obtain a first deflected beam and comprising a first acousto-optical crystal on which is applied an acoustic wave whose frequency varies over time according to a first law of command, and —a second acousto-optical deflector (32) deflected the first deflected beam in a second direction (Y), defining an angle comprised between 85° and 95° with the first direction, and comprising a second acousto-optical crystal on which is applied an acoustic wave whose frequency varies over time according to a second law of command, characterized in that the first law of command and the second law of command are chosen so that the average speed of the laser scanning system (18) is superior to 10 radians per second.

    Abstract translation: 本发明涉及一种激光扫描系统(18),其包括: - 第一声光偏转器(30),用于沿第一方向(X)偏转光束以获得第一偏转光束,并且包括第一声光晶体,其上是 施加其频率根据第一定律定律随时间变化的声波,以及 - 第二声光偏转器(32)沿第二方向(Y)偏转所述第一偏转光束,所述第二方向限定了包括在85°和95°之间的角度 °,并且包括第二声光晶体,在其上施加声波,其频率根据第二定律定律随时间变化,其特征在于,选择第一定律和第二定律 使得激光扫描系统(18)的平均速度优于每秒10弧度。

    Method for determining the irradiation dose deposited in a scintillator by ionising radiation and associated device
    218.
    发明授权
    Method for determining the irradiation dose deposited in a scintillator by ionising radiation and associated device 有权
    用于通过电离辐射和相关装置确定沉积在闪烁体中的照射剂量的方法

    公开(公告)号:US09244178B2

    公开(公告)日:2016-01-26

    申请号:US14353845

    申请日:2012-10-24

    CPC classification number: G01T1/023 G01T1/2006

    Abstract: Method of determination of an irradiation dose deposited in a scintillator (5) by ionising radiation, comprising the steps of: irradiating the scintillator (5) during a predetermined time; detecting a moment of excitation of the scintillator (5) with a first photodetector (11); then detecting a moment of reception of a scintillation photon with a second photodetector (14), functioning in single photon counting mode; identifying each sequence consisting of the detection of a moment of excitation by the first photodetector (11), and the detection of a moment of reception by the second photodetector (14) with a coincidence event; counting the number of coincidence events; obtaining the irradiation dose deposited during the irradiation time as a function of the number of coincidence events counted and of a predetermined proportionality factor.

    Abstract translation: 通过电离辐射确定在闪烁体(5)中沉积的照射剂量的方法,包括以下步骤:在预定时间内照射闪烁体(5); 用第一光电检测器(11)检测闪烁体(5)的激发时刻; 然后用单光子计数模式检测具有第二光电检测器(14)的闪烁光子的接收时刻; 识别由第一光电检测器(11)检测到激发力矩的每个序列以及由重合事件检测第二光电检测器(14)的接收时刻; 计数巧合事件的数量; 获得在照射时间期间沉积的照射剂量作为计数的重合事件的数量和预定比例因子的函数。

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