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    INTEGRAL DEVICE
    3.
    发明专利
    INTEGRAL DEVICE 失效

    公开(公告)号：JPH0854532A

    公开(公告)日：1996-02-27

    申请号：JP10371295

    申请日：1995-04-27

    Applicant: KAPTRON INC

    Inventor： NARINDAA ESU KAPANII ,  FURETSUDO SHII UNTAARAITONAA

    IPC: G02B6/28

    Abstract: PURPOSE: To uniformly distribute incident light to input fibers and output fibers by performing constitution by a transparent rod formed in a meandering shape for forming specified angular shift by a total amount. CONSTITUTION: This integrating element 17 can be a transmission shape 17T or a reflection shape 17R. In the transmission shape 17T, the integration element is composed of a glass rod, one end of it forms an entrance part 18 and the other end forms an exit part 20. When the light which enters the exit part 18 passing through the element at an optionally specified part, the integration element 17T loss spatial correlation with such a part. The light is scattered over the entire part, at the time of leaving the exit part 20. Then, in order to perform integration uniformly, the rod is made to meander and bent by turning the entire angular shift by 270 deg. or more. However, when it is bent to an angle considerably larger than 270 deg., bending loss increases without increasing the uniformity of the integration further. The entire length of the rod (the entire dimension of an integrator) is linearly proportional to a bending radius.

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