Rosenhahn A, Barth R, Cao X, Schürmann M, Grunze M, Eisebitt S
Angewandte Physikalische Chemie, Universität Heidelberg, INF 253, 69120 Heidelberg, Germany.
Ultramicroscopy. 2007 Nov;107(12):1171-7. doi: 10.1016/j.ultramic.2007.01.010. Epub 2007 Feb 8.
We present the realization of high-resolution holographic microscopy using the original Gabor geometry and imaging with radiation in the vacuum-ultraviolet (VUV) spectral region. Synchrotron VUV radiation with a wavelength of 13.8 nm was focused on a small pinhole generating a highly divergent light cone suitable for digital in-line holography. Objects of different thickness and materials have been used to test the imaging properties of holographic microscopy in the VUV wavelength range. The effective numerical aperture was limited by the illuminated area of the detector, yielding a theoretical resolution below 1 microm and an experimental one of approximately 1 microm.
我们展示了利用原始的伽柏几何结构以及在真空紫外（VUV）光谱区域进行辐射成像来实现高分辨率全息显微镜的方法。波长为13.8纳米的同步辐射真空紫外辐射聚焦在一个小针孔上，产生一个适用于数字同轴全息术的高度发散光锥。已使用不同厚度和材料的物体来测试真空紫外波长范围内全息显微镜的成像特性。有效数值孔径受探测器照明面积限制，理论分辨率低于1微米，实验分辨率约为1微米。
