CAJ | 학술논문

本文提出了一种全新的波片相移方法，通过四分之一波片、二分之一波片和偏振片的不同组合方式在干涉光路中引入了不同的相位差，从而实现了全息相移。本方法操作简单，能够很好地重构出物光波的复振幅。文中给出了详细的理论推导，并采用数值模拟和实验验证了所提方法的正确性。数值模拟结果显示，波片相移方法与传统四步相移法结果一致。基于本方法的相移原理，制作与 CCD 像素匹配的波片阵列，可以实现实时相移测量，既克服了传统时间相移只能测量静态或准静态物体的缺点，也克服了传统空间相移需要对干涉图进行匹配的缺点。因此，波片阵列相移法具有广泛的应用范围和应用前景。
본문제출료일충전신적파편상이방법，통과사분지일파편、이분지일파편화편진편적불동조합방식재간섭광로중인입료불동적상위차，종이실현료전식상이。본방법조작간단，능구흔호지중구출물광파적복진폭。문중급출료상세적이론추도，병채용수치모의화실험험증료소제방법적정학성。수치모의결과현시，파편상이방법여전통사보상이법결과일치。기우본방법적상이원리，제작여 CCD 상소필배적파편진렬，가이실현실시상이측량，기극복료전통시간상이지능측량정태혹준정태물체적결점，야극복료전통공간상이수요대간섭도진행필배적결점。인차，파편진렬상이법구유엄범적응용범위화응용전경。
This paper proposed a new time phase shift method. By different combinations of the quarter-wave plate,the half wave plate and a polarizer,the phase retardation is introduced in the interference optical path,in order to achieve the phase shift of the hologram. This method is easy to operate and successful to reconstruct the complex amplitude of an object wave. The paper gives detailed theoretical analysis,numerical simulation and experimental to verify the validity of this method. The numerical result shows that the wave plate phase shift method result is close to the traditional four-step phase shift method result. Based on the phase shift principle of the present method,the wave plate array can be fabricated which can achieve a real-time phase shift measurements,not only to overcome the shortage of the traditional time phase shift that only the static or quasi-static objects can be measured, but also to overcome the shortage of the traditional spatial phase shift that interferograms must be matched. Therefore,wave plate array phase shift method has a wide range of applications and good prospects.