2ND-ORDER SPACE FOCUSING IN 2-FIELD TIME-OF-FLIGHT MASS SPECTROMETERS

被引：48
|
作者：
ELAND, JHD
机构：
[1] Phys. Chem. Lab., Oxford Univ.
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 1993年 / 4卷 / 12期
关键词：
Acceleration - Diffusion - Focusing - Instrument testing - Ion sources - Ions - Linearization - Mathematical models - Optical resolving power - Turnaround time - Velocity;
D O I：
10.1088/0957-0233/4/12/035
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Design equations are given for second-order space focusing in two-field time-of-flight mass spectrometers. Simulations and experimental tests confirm that, for diffuse sources and high-energy fragments, second-order designs give superior resolution and linearity of flight time deviations to initial ion velocities.
引用
收藏
页码：1522 / 1524
页数：3
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