Broad-band fluorescence upconversion for femtosecond spectroscopy

被引：56

作者：

Schanz, R ^{[1
]}

Kovalenko, SA ^{[1
]}

Kharlanov, V ^{[1
]}

Ernsting, NP ^{[1
]}

机构：

[1] Humboldt Univ, Inst Chem, D-10117 Berlin, Germany

来源：

APPLIED PHYSICS LETTERS | 2001年 / 79卷 / 05期

关键词：

D O I：

10.1063/1.1387257

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

With near-infrared gating and improved light collection geometry, the entire fluorescence band can be upconverted in a broad range of 10 000 cm(-1) without readjusting optical elements, thus allowing measurements with a single pump-gate scan. Monitoring of the pump-induced white light continuum provides for the time correction of the up-converted fluorescence spectra. The overall time resolution is then limited by the pump-gate cross correlation. The technique is illustrated with the femtosecond evolution of fluorescence from two molecular probes in solution. (C) 2001 American Institute of Physics.

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页码：566 / 568

页数：3

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