Coherence-based axial point-spread function engineering for two-photon excited polymerization

被引：0

作者：

Dobner, Sven ^{[1
]}

Hoehl, Martin ^{[1
]}

Luepken, Niklas M. ^{[1
]}

Fallnich, Carsten ^{[1
]}

机构：

[1] Univ Munster, Inst Appl Phys, D-48149 Munster, Germany

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2014年 / 116卷 / 04期

关键词：

NM RESOLUTION; FLUORESCENCE; EXCITATION; PHOTOPOLYMERIZATION; FABRICATION;

D O I：

10.1007/s00340-014-5763-8

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show in proof-of-principle experiments an axial resolution improvement in two-photon-excited fluorescence and polymerization enabled by the short coherence length of two counter-propagating ultrashort laser pulses. The interference of these pulses generate a spatial interference fringe pattern, whose width scales inversely to the spectral bandwidth and is therefore considerably shorter than the effective focal length of a laser beam conventionally focused from only one side.

引用

页码：793 / 798

页数：6

共 48 条

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