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    • 55. 发明申请
    • HITLESS TUNING APPARATUS AND METHODS FOR ADD/DROP FILTERS
    • 无需调谐装置和添加/丢弃滤波器的方法
    • WO2003030419A2
    • 2003-04-10
    • PCT/US2002/031377
    • 2002-10-02
    • MIRON OPTICS, INC.
    • CORMACK, Robert, H.
    • H04J
    • G02B6/3524G02B6/2861G02B6/29361G02B6/29383G02B6/29395G02B6/3528G02B6/3562
    • switch devices (100, 400, 500) for hitless tuning or reconfiguring an add or drop WDM filter. The input light (101, 402) is switched from the filter (where the desired channel is passed and the express channels are reflected) to a mirror where all channels are reflected. The switching is done in a continuos manner such that there is never an interruption in the channels reflected from the filter or mirror. While all channels are being reflected from the mirror, the filter is tuned to a different channel; or alternatively, is replaced by a filter which would drop a different channel. After the filter is tuned to the new channel, the input light is switched from the mirror back to the filter The switch may include a parallelogram prism (100, 500) or two sequential mirrors (404, 406). The switch and the input beam are translated with respect to each other to switch the light between the filter and the mirror.
    • 交换设备(100,400,500)用于无中断地调谐或重新配置添加或分出WDM滤波器。 输入光(101,402)从滤波器(其中期望的频道被传递并且快速频道被反射)切换到所有频道被反射的镜子。 切换以连续的方式完成,使得从滤波器或反射镜反射的信道中不会有中断。 当所有通道都从反射镜反射出去时,滤波器被调谐到不同的通道; 或者可选地,由将丢弃不同频道的滤波器替代。 在滤波器调谐到新通道之后,输入光从反射镜切换回到滤波器。开关可以包括平行四边形棱镜(100,500)或两个顺序反射镜(404,406)。 开关和输入光束相互平移,以在滤光片和反射镜之间切换光线。
    • 57. 发明申请
    • OPTICAL SWITCHING MATRIX ARRANGEMENT
    • 光开关矩阵排列
    • WO00052513A1
    • 2000-09-08
    • PCT/EP2000/001266
    • 2000-02-16
    • G02B6/35G02B26/02
    • G02B6/3524G02B6/3528G02B6/3546G02B6/3578
    • The invention relates to an optical switching matrix arrangement, especially for optical communications and information networks, based on optical fibres. A number N of different optical input channels can be connected to a number N of optical output channels in any given manner. According to the invention, prisms can be introduced into the optical path at the crossover points of the N collimated input bundle and the N collimated output bundle. These prisms then specifically guide the input end radiation onto an output fibre. The deflecting prisms are moved by means of an associated piezo-bend actuator.
    • 本发明涉及一种光交换矩阵配置,特别是用于基于光纤光学消息和信息网络,其中不同的光输入通道的数目N被连接到数量N的光输出信道的任何期望的方式。 准直输入光束和N准直的输出光束棱镜到光束路径都根据本发明可以在N的交叉点,其指导靶向于输出光纤输入侧辐射,其中,所述偏转棱镜的运动由分别相关联的压电弯曲板进行引入。