Resolution enhancement in a light-sheet-based microscope (SPIM)

被引：148

作者：

Engelbrecht, Christoph J. ^{[1
]}

Stelzer, Ernst H. K. ^{[1
]}

机构：

[1] European Mol Biol Lab, Light Microscopy Grp, D-69117 Heidelberg, Germany

来源：

OPTICS LETTERS | 2006年 / 31卷 / 10期

关键词：

D O I：

10.1364/OL.31.001477

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Light-sheet-based microscopy [single-plane illumination microscope (SPIM)] performs very well at low numerical apertures. It complements conventional (FM), confocal (CFM), and two-photon fluorescence microscopy (2hv-FM) currently used in modern life sciences. Lateral and axial SPIM point spread function (PSF) extents are measured by using fluorescent beads to determine the 3D resolution. The results are compared with values derived from an analytical theory and numerical simulations. The discrepancies are found to be less than 5%. The axial extent of a SPIM-PSF (10 X /0.3 W) is approximately 5.7 mu m. This value is almost a factor of 2 smaller than in CFM, more than 2.5 times smaller than in FM, and more than three times smaller than in 2hv-FM. SPIM outperforms 2ht/-FM and FM, while CFM has a better axial resolution at NAs above 0.8. (c) 2006 Optical Society of America.

引用

页码：1477 / 1479

页数：3

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