Beating photo-degradation in sum-frequency imaging of chiral organic media

被引：5

作者：

Taupier, Gregory ^{[1
]}

Boeglin, Alex ^{[1
]}

Cregut, Olivier ^{[1
]}

Mager, Loic ^{[1
]}

Barsella, Alberto ^{[1
]}

Gasior, Katarzyna ^{[1
]}

Rehspringer, Jean-Luc ^{[1
]}

Dorkenoo, Kokou D. ^{[1
]}

机构：

[1] Univ Strasbourg, CNRS, Inst Phys & Chim Mat Strasbourg, UMR 7504, F-67034 Strasbourg 2, France

来源：

OPTICAL MATERIALS | 2015年 / 45卷

关键词：

Nonlinear microscopy; Multiphoton processes; Organic materials; THIN-FILMS; GENERATION; MICROSCOPY; STATE;

D O I：

10.1016/j.optmat.2015.02.033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Sum-frequency generation from chiral bulk media holds the promise of a powerful tool in the investigation of biological as well as artificial materials containing optically active elements. Since this technique is based on a nonlinear optical effect, the high intensities of the illuminating light sources may induce spurious artifacts. Using simple conjugated chromophores, we demonstrate that multi-photon induced irreversible photolysis may be avoided while keeping undiminished levels of sum-frequency signals. In addition we show that the concurrent multi-photon induced luminescence may provide complementary means of imaging samples. (C) 2015 Published by Elsevier B.V.

引用

页码：22 / 27

页数：6

共 11 条

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