IDENTIFICATION AND ELIMINATION OF INTERNAL AND EXTERNAL PARASITIC MULTIPOLE COMPONENTS IN NUCLEAR MICROPROBE LENS SYSTEMS

被引:7
作者
TAPPER, UAS
JAMIESON, DN
SWIETLICKI, E
LOVESTAM, NEG
HANSSON, T
机构
[1] LUND INST TECHNOL,DEPT NUCL PHYS,S-22362 LUND,SWEDEN
[2] COMMISS EUROPEAN COMMUNITIES,JOINT RES CTR,CENT BUR NUCL MEASUREMENTS,B-2440 GEEL,BELGIUM
[3] UNIV MELBOURNE,SCH PHYS,PARKVILLE,VIC 3052,AUSTRALIA
关键词
D O I
10.1016/0168-583X(91)95943-8
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The grid-shadow technique has proved to be an important tool for the characterization of the quadrupole lenses used for focusing the ion beam in nuclear microprobes. A technique is described which can identify and distinguish between beam aberrations, seen in the grid-shadow patterns, caused by parasitic multipoles in the lenses from those caused by stray external fields. Also presented is an on-line method to correct for the internal parasitic fields in the lenses by observing the grid-shadow patterns. thereby improving the spatial resolution in the nuclear microprobe.
引用
收藏
页码:155 / 161
页数:7
相关论文
共 17 条
[1]   MEASUREMENT AND CORRECTION OF PARASITIC SEXTUPOLE COMPONENTS IN MAGNETIC QUADRUPOLE LENSES [J].
BREESE, MBH ;
JAMIESON, DN ;
COOKSON, JA .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1990, 47 (04) :443-452
[2]  
DOYLE BL, 1988, APPLICATIONS ION BEA, P153
[3]  
JAMIESON D, 1985, THESIS MELBOURNE
[4]   THE MEASUREMENT AND CORRECTION OF SPHERICAL-ABERRATION IN A MAGNETIC QUADRUPOLE QUADRUPLET LENS SYSTEM [J].
JAMIESON, DN ;
LEGGE, GJF .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1988, 34 (03) :411-422
[5]   GRID SHADOW PATTERN-ANALYSIS OF ACHROMATIC QUADRUPOLE LENSES [J].
JAMIESON, DN ;
TAPPER, UAS .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1989, 44 (02) :227-232
[6]   ABERRATIONS OF SINGLE MAGNETIC QUADRUPOLE LENSES [J].
JAMIESON, DN ;
LEGGE, GJF .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1987, 29 (03) :544-556
[7]   MULTIPOLE LENSES AND THEIR APPLICATION IN NUCLEAR MICROPROBE LENS SYSTEMS [J].
JAMIESON, DN ;
LEGGE, GJF .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1988, 30 (03) :235-241
[8]   MEASUREMENT OF THE ABERRATIONS OF AN ELECTROSTATIC QUADRUPOLE PROBE FORMING LENS SYSTEM [J].
JAMIESON, DN ;
RYAN, CG ;
SIE, SH .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1991, 54 (1-3) :33-37
[9]   THE DESIGN OF A VERSATILE SCANNING PROTON MICROPROBE OF HIGH-RESOLUTION AND EFFICIENCY [J].
LEGGE, GJF ;
OBRIEN, PM ;
SEALOCK, RM ;
ALLAN, GL ;
BENCH, G ;
MOLONEY, G ;
JAMIESON, DN ;
MAZZOLINI, AP ;
ZHU, J .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1988, 30 (03) :252-259
[10]  
LOVESTAM NEG, UNPUB NUCL INSTR MET