Note: A novel dual-channel time-of-flight mass spectrometer for photoelectron imaging spectroscopy

被引：45

作者：

Qin, Zhengbo ^{[1
]}

Wu, Xia ^{[1
]}

Tang, Zichao ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2013年 / 84卷 / 06期

基金：

中国国家自然科学基金;

关键词：

MULTIPLY-CHARGED ANIONS; CLUSTER ANIONS; NEGATIVE-IONS; DYNAMICS;

D O I：

10.1063/1.4811739

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A novel dual-channel time-of-flight mass spectrometer (D-TOFMS) has been designed to select anions in the photoelectron imaging measurements. In this instrument, the radiation laser can be triggered precisely to overlap with the selected ion cloud at the first-order space focusing plane. Compared with that of the conventional single channel TOFMS, the in situ mass selection performance of D-TOFMS is significantly improved. Preliminary experiment results are presented for the mass-selected photodetachment spectrum of F- to demonstrate the capability of the instrument. (C) 2013 AIP Publishing LLC.

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