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Achromatic phase shift device and interferometer using achromatic phase shift device

机译:消色差相移装置和使用消色差相移装置的干涉仪

摘要

The present invention relates to an achromatic phase shift device (1) for introducing a wavelength independent optical phase shift in a first optical beam (40) during operation, comprising at least one dispersive element (55k) formed by first refractive means (2k) and second refractive means (4k), the first refractive means (2k) having a first refractive means input plane (6) for receiving the first optical beam (40) and a first refractive means output plane (8) being at a predetermined angle (&bgr;) to each other, the second refractive means (4k) having a second refractive means input plane (10) and a second refractive means output plane (12) being positioned parallel to the first refractive means input plane (6). The device may comprise further pairs (55k) of respective first and second refractive means (2k, 4k). The present invention also relates to an interferometer comprising at least one achromatic phase shift device.
机译:本发明涉及一种消色差相移装置( 1 ),其用于在操作期间在第一光束( 40 )中引入与波长无关的光学相移,包括至少一个。由第一折射装置( 2 k )和第二折射装置()形成的色散元件( 55 k ) > 4 k ),第一折射装置( 2 k )具有第一折射装置输入平面( 6 )用于接收第一光束( 40 )和第一折射装置输出平面( 8 ),它们彼此成预定角度(&bgr) ,第二折射装置( 4 k )具有第二折射装置输入平面( 10 )和第二折射装置输出平面( 12 )平行于第一折射装置输入平面( 6 )定位。该装置可以包括另外的成对的( 55 k )分别的第一和第二折射装置( 2 k ,4 k )。本发明还涉及一种包括至少一个消色差相移装置的干涉仪。

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