零差扫描全息术。
Homodyne scanning holography.
作者信息
Rosen Joseph, Indebetouw Guy, Brooker Gary
机构信息
Department of Electrical and Computer Engineering, Ben-Gurion University of the Negev, P. O. Box 653 Beer-Sheva 84105,
出版信息
Opt Express. 2006 May 15;14(10):4280-5. doi: 10.1364/oe.14.004280.
We have developed a modified version of a scanning holography microscope in which the Fresnel Zone Plates (FZP) are created by a homodyne rather than a heterodyne interferometer. Therefore, during the scanning the projected pattern on the specimen is frozen rather than varied as previously. In each scanning period the system produces an on-axis Fresnel hologram. The twin image problem is solved by a linear combination of at least three holograms taken with three FZPs with different phase values.
我们开发了一种扫描全息显微镜的改进版本，其中菲涅耳波带片（FZP）由零差干涉仪而非外差干涉仪产生。因此，在扫描过程中，投射到样本上的图案被冻结，而不像以前那样变化。在每个扫描周期中，系统都会产生一个同轴菲涅耳全息图。通过对至少三个用具有不同相位值的FZP拍摄的全息图进行线性组合，解决了孪生像问题。
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