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    • 9. 发明专利
    • Retarder system
    • 延迟系统
    • JP2012141623A
    • 2012-07-26
    • JP2012032511
    • 2012-02-17
    • J A Woollam Co Incジェイ・エイ・ウーラム・カンパニー・インコーポレイテッドJ.A.Woollam Co.,Inc.
    • BLAINE D JOHSSTEVEN E GREENCRAIG M HERZINGERMEYER DUANE E
    • G02B5/30G01J4/04G01N21/21G02B5/04
    • G02B5/3083G01J1/0407G01N21/211G01N2021/213G02B26/06
    • PROBLEM TO BE SOLVED: To provide a retarder system which has small wavelength dependence.SOLUTION: Two rhombohedral bodies in a parallelogram shape are placed in such fixed directions that an incident electromagnetic beam is totally reflected at least once inside each of the rhombohedral bodies, and a first surface RS1 and a third surface RS3, and a second surface RS2 and a fourth surface RS4 thereof are substantially parallel with each other. A beam of electromagnetic radiation made incident substantially perpendicular to the first surface of one of those rhombohedral bodies travels to be internally reflected by the fourth surface RS4 and the second surface RS2 of the one of those rhombohedral bodies, and then to be emitted from the third surface of the one of those rhombohedral bodies, the emission direction of the beam being substantially perpendicular to the first surface of the other of the rhombohedral bodies. Successively, the beam is internally reflected by the second surface and the fourth surface of the rhombohedral body in the parallelogram shape to be emitted from the third surface of the other of the rhombohedral bodies.
    • 要解决的问题:提供一种具有小的波长依赖性的延迟器系统。 解决方案:平行四边形形状的两个菱面体以这样的固定方向放置,入射的电磁束至少在每个菱面体内反射一次,第一表面RS1和第三表面RS3以及第二表面RS3 表面RS2及其第四表面RS4彼此基本平行。 基本上垂直于那些菱面体之一的第一表面入射的电磁辐射射束被这些菱形体中的一个的第四表面RS4和第二表面RS2内部反射,然后从第三个 这些菱面体之一的表面,光束的发射方向基本上垂直于另一个菱形体的第一表面。 接着,光束被平行四边形形状的菱形体的第二表面和第四表面内部反射,以从另一个菱形体的第三表面发射。 版权所有(C)2012,JPO&INPIT