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    • 2. 发明授权
    • Integrated electro-optical modulator/commutator with pass-band response
    • 具有通带响应的集成电光调制器/换向器
    • US4969701A
    • 1990-11-13
    • US219367
    • 1988-07-15
    • Michel PapuchonYannic Bourbin
    • Michel PapuchonYannic Bourbin
    • G02F1/03G02F1/313
    • G02F1/3134
    • A modulator/commutator comprises two optical guide waves coupled to each other on a length and connected to an input guide by a Y junction. Electrodes are associated with each wave guide and enable the application of an interaction field on an interaction length. The optical and electrical waves have different propagation speeds. The interaction length and the coupling length are fixed so that their ratio has a value enabling an optical wave to successively experience the positive and negative alternations of an alternating field applied to the device by the electrodes, thus simulating a multiple-section operation. This device gives 100% efficiency of switching over to either of the two optical guides.
    • 调制器/换向器包括两个光导波,其一个长度上彼此耦合并且通过Y结连接到输入引导件。 电极与每个波导相关联,并使得能够在交互长度上应用交互场。 光波和电波具有不同的传播速度。 相互作用长度和耦合长度是固定的,使得它们的比值具有使得光波能够连续地经历由电极施加到器件的交变场的正和负交替的值,从而模拟多段操作。 该器件可提供100%的切换效率,可以切换到两个光导中的任何一个。
    • 3. 发明申请
    • Laser active optronic system with improved detectivity
    • 激光激光光电系统具有改进的检测性
    • US20070110435A1
    • 2007-05-17
    • US10582713
    • 2004-12-09
    • Michel PapuchonJean-Paul Pocholle
    • Michel PapuchonJean-Paul Pocholle
    • H04B10/08H04B17/00
    • B82Y20/00G01S7/481G01S17/107G01S17/89G02F1/0126G02F1/01716
    • The invention relates to a laser active optronic system with improved detectivity, especially an eye-safe optronic system. The system comprises a channel for the emission by an emission source of a laser beam illuminating a target and a channel for receiving the wave backscattered by the target. An optical switching device is positioned in the receive channel, said optical switching device receiving said backscattered wave and comprising an optical gain medium and pumping means for pumping said gain medium, said gain medium being absorbent at the wavelength of the laser and becoming substantially transparent when it is pumped, in such a way as to allow the switching device to be actuated in the on mode or off mode respectively. It further includes a control unit for controlling the pumping means, allowing the switching device to be actuated in the on mode in at least one temporal window of predetermined duration, triggered at a predetermined instant after the start of emission of the illuminating laser beam.
    • 本发明涉及具有改进的检测性的激光有源光电系统,特别是眼睛安全的光电系统。 该系统包括用于通过照射目标的激光束的发射源发射的通道和用于接收由目标反向散射的波的通道。 光学开关装置位于接收通道中,所述光学开关装置接收所述背向散射波并且包括光学增益介质和用于泵浦所述增益介质的泵送装置,所述增益介质在激光器的波长处是吸收剂并变得基本上是透明的 它被泵送,以允许开关装置分别在接通模式或关闭模式下被致动。 它还包括用于控制泵送装置的控制单元,允许开关装置在预定持续时间的至少一个时间窗口中以开启模式被致动,在照明激光束的发射开始之后的预定时刻被触发。
    • 4. 发明授权
    • Optronic passive surveillance device
    • 光电被动监控装置
    • US07126110B2
    • 2006-10-24
    • US10491339
    • 2002-10-01
    • Michel PapuchonPhilippe AntierLudovic PerruchotAlain Verdaguer
    • Michel PapuchonPhilippe AntierLudovic PerruchotAlain Verdaguer
    • H01J3/14
    • G02B27/1086G02B26/105G02B27/1013G02B27/126Y10S250/01
    • The present invention relates to an optronic passive surveillance device, especially for infrared surveillance.It comprises a front optic (1) of given useful instantaneous field, means (2) for scanning a scene with a given total field of observation, means (3) for forming the image of the scene and means (4) for detecting said image.According to the invention, the detection means (4) comprise a two-dimensional matrix detector (41), the field of the detector along each of the dimensions being greater than or equal to said useful instantaneous field of the front optic along said dimension, and allow the acquisition, for each elementary area of the scene corresponding to the useful instantaneous field of the front optic, of N subimages formed on said detector (N≧1), with a given integration time for each subimage.The device furthermore includes counterscanning means (6) making it possible to compensate for the movements of the image that are due to the scanning of the scene during the acquisition of the N subimages.
    • 本发明涉及光电被动监视装置,特别是用于红外监视。 它包括给定的有用瞬时场的前光学元件(1),用于以给定的总观察场扫描场景的装置(2),用于形成场景图像的装置(3)和用于检测所述图像的装置(4) 。 根据本发明,检测装置(4)包括二维矩阵检测器(41),沿着每个尺寸的检测器的场大于或等于沿着所述尺寸的前视镜的所述有用瞬时场, 并且允许对于每个子图像具有给定的积分时间,对形成在所述检测器上的N个子图像(N> = 1)进行对应于前视镜的有用瞬时场的场景的每个基本区域的采集。 该装置还包括反扫描装置(6),使得可以在获取N个子图像期间补偿由于场景的扫描而导致的图像的移动。