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    • 5. 发明申请
    • Optical Element for Terahertz Waves
    • 太赫兹波的光学元件
    • US20140300955A1
    • 2014-10-09
    • US14131759
    • 2012-07-05
    • Makoto WatanabeDmitry BulgarevichMitsuharu Shiwa
    • Makoto WatanabeDmitry BulgarevichMitsuharu Shiwa
    • G02B27/09
    • G02B27/0988G01N21/3581G01N21/3586G02B5/008G02B6/1226G02B27/58
    • An optical element for terahertz waves that transmits terahertz-wave incident beams through itself after being compressed into half or less a wavelength of the beam, the optical element comprising: a substrate that allows terahertz waves to be transmitted through itself; and a conductive coat that covers a surface of the substrate and is capable of blocking the waves, wherein the coat has an aperture provided in a circular region and ring-shaped grooves, provided on a surface of the coat, having the same center as the circular region and having radii which increase every fixed length, and wherein in the circular region, four or more fan-shaped tips each having an arc with the same radius of curvature as the radius of the region, are arranged at equal distances toward the center of the circle without contacting each other as the arc contacts an outer periphery of the region.
    • 一种用于太赫兹波的光学元件,其在被压缩成所述光束的波长的一半或更少的一半以上时将太赫兹波入射光束自身透射,所述光学元件包括:允许太赫兹波透过其自身的衬底; 以及覆盖基板的表面并且能够阻挡波浪的导电涂层,其中涂层具有设置在圆形区域中的孔和设置在涂层的表面上的环形凹槽,其具有与中心相同的中心 圆形区域并且具有每固定长度增加的半径,并且其中在圆形区域中,四个或更多个具有与该区域的半径相同的曲率半径的圆弧的扇形尖端以相等的距离被布置成朝向中心 的圆不接触,因为电弧接触该区域的外围。