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    • 51. 发明公开
    • 1,5 x 2 optical switch
    • 1,5 x 2 optischer Schalter
    • EP1061389A2
    • 2000-12-20
    • EP00305052.3
    • 2000-06-14
    • JDS Uniphase Inc.
    • Copner, NigelFarries, MarkCohen, Adam D.Iyer, Rajiv
    • G02B6/35
    • G02B6/3524G02B6/3512G02B6/3528G02B6/3546G02B6/356G02B26/0891H04J14/0206H04J14/0212H04Q11/0005H04Q2011/0016H04Q2011/0024
    • An optical switch is disclosed having 4-ports. The switch consists of a first GRIN lens having 2 ports (1 and 3) adjacent its outwardly facing end face, on opposite sides of an optical axis of the lens. A second GRIN lens is disposed to receive light from the first GRIN lens and has two ports (2 and 4) adjacent its outer end face, on opposite sides of an optical axis. In a first state, a first port (1) from the first GRIN lens couples light with port (2) of the second GRIN lens, and a second port (3) of the first GRIN lens simultaneously couples light with another port (4) of the second GRIN lens. A movable optical element, that when disposed in the path between first and second GRIN lens, provides only a single connection between a port of the first GRIN lens (1) and a port of the second GRIN lens (4) while preventing light from coupling between the other two ports (2 and 3). Hence a 1 ½ x 2 optical switch is disclosed. Furthermore, the optical switch is disclosed having multiple input and output ports. The switch consists of a first GRIN lens having 2 ports adjacent its outwardly facing end face. A second GRIN lens is disposed to receive light from the first GRIN lens and has two ports adjacent its outer end face. In a first state, a first port from the first GRIN lens couples light with a first output port of the second GRIN lens. In a second state, a movable optical element in the form of a light transmissive wedge having a reflective surface, is disposed in the path between first and second GRIN lens, providing a connection between a port of the first GRIN lens and a second port of the second GRIN lens. In a third connect state, the reflective surface of the wedge connects a port of the first GRIN lens and an output port in the same first GRIN lens. Hence an N x M optical switch is disclosed.
    • 公开了一种具有4个端口的光开关。 该开关包括在透镜的光轴的相对侧上具有与其面向外的端面相邻的2个端口(1和3)的第一GRIN透镜。 第二GRIN透镜设置成从第一GRIN透镜接收光,并且在光轴的相对侧上具有与其外端面相邻的两个端口(2和4)。 在第一状态下,来自第一GRIN透镜的第一端口(1)将光与第二GRIN透镜的端口(2)相耦合,并且第一GRIN透镜的第二端口(3)同时将光与另一端口(4)耦合, 的第二个GRIN镜头。 可移动光学元件,当设置在第一和第二GRIN透镜之间的路径中时,仅在第一GRIN透镜(1)的端口和第二GRIN透镜(4)的端口之间提供单一连接,同时防止光耦合 在其他两个端口(2和3)之间。 因此,公开了1/2×2光开关。 此外,公开了具有多个输入和输出端口的光开关。 该开关由具有两个邻近其向外的端面的端口的第一GRIN透镜组成。 第二GRIN透镜设置成接收来自第一GRIN透镜的光并具有邻近其外端面的两个端口。 在第一状态下,来自第一GRIN透镜的第一端口将光与第二GRIN透镜的第一输出端口相耦合。 在第二状态下,在第一和第二GRIN透镜之间的路径中设置有具有反射表面的透光楔形形式的可移动光学元件,提供第一GRIN透镜的端口与第一GRIN透镜的第二端口 第二颗GRIN镜头。 在第三连接状态下,楔形物的反射表面连接第一GRIN透镜的端口和相同的第一GRIN透镜中的输出端口。 因此,公开了一种N×M光开关。
    • 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。