Bessel beam coherent anti-Stokes Raman scattering microscopy

被引:19
作者
Heuke, Sandro [1 ]
Legesse, Fisseha Bekele [1 ]
Akimov, Denis [1 ]
Huebner, Uwe [1 ]
Dellith, Jan [1 ]
Schmitt, Michael [1 ,2 ,3 ]
Popp, Juergen [1 ,2 ,3 ]
机构
[1] Leibniz Inst Photon Technol Jena IPHT, D-07745 Jena, Germany
[2] Univ Jena, Inst Phys Chem, D-07743 Jena, Germany
[3] Univ Jena, Abbe Ctr Photon, D-07743 Jena, Germany
关键词
CARS MICROSCOPY; FIELD; DIFFRACTION; SYSTEM;
D O I
10.1364/JOSAB.32.001773
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report about laser scanning coherent anti-Stokes Raman scattering (CARS) microscopy using a Bessel beam to enhance the lateral resolution. This study covers a numerical investigation that predicts an improvement in the lateral resolution by a factor of up to 1.33, while the axial depth of view increases up to a factor of 2 for an ideal Bessel beam serving as both a pump and a probe. Further, we present a simple experimental implementation of a Bessel-like beam by adding only two axicons and a telescope to a conventional CARS laser scanning microscopy setup. The predicted resolution improvement is demonstrated for well-scattering, structured polymer samples. (C) 2015 Optical Society of America
引用
收藏
页码:1773 / 1779
页数:7
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