Infrared resonance enhanced multiphoton ionization of fullerenes

被引：73

作者：

von Helden, G

Holleman, I

Knippels, GMH

van der Meer, AFG

Meijer, G

机构：

[1] Univ Nijmegen, Dept Mol & Laser Phys, NL-6525 ED Nijmegen, Netherlands

[2] FOM, Inst Plasma Phys Rijnhuizen, NL-3430 BE Nieuwegein, Netherlands

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 26期

关键词：

D O I：

10.1103/PhysRevLett.79.5234

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Gas-phase fullerenes are resonantly heated by a train of high power subpicosecond pulses from a free electron laser (FEL) to internal energies at which they efficiently undergo delayed ionization. When the laser is tuned from 6-20 mu m while the amount of laser produced parent ions is recorded, resonant absorption of 200-600 IR photons, resulting in almost fragmentation-free ion spectra, is observed. Infrared resonance enhanced multiphoton ionization with a FEL is shown to enable extremely sensitive IR spectroscopy with mass selective detection of gas-phase fullerenes. [S0031-9007(97)04923-5].

引用

收藏

页码：5234 / 5237

页数：4

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