RESONANT-LINE OVERLAP FOR PHOTOPUMPING AND SPOILING OF X-RAY LASING TRANSITIONS IN NEON-LIKE FE-XVII AND CU-XX

被引:8
作者
BEIERSDORFER, P
ELLIOTT, SR
NILSEN, J
机构
[1] Lawrence Livermore National Laboratory, Livermore
来源
PHYSICAL REVIEW A | 1994年 / 49卷 / 04期
关键词
D O I
10.1103/PhysRevA.49.3123
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
High-precision measurements (25-175 ppm) have been performed of selected 2p-3s and 2p-4d transitions in neonlike Fe and Cu that are of possible use in resonant photopumping x-ray lasing experiments. A marginal resonance of 600 ppm is found for the 2p-4d transition in neonlike Fe with the 1s-2p transition in hydrogenic Ne. By contrast, an excellent resonance of 200 ppm is determined for photopumping of the 2p-4d transition in neonlike Cu with the 1s-2p transition in heliumlike Mg, suggesting that the Cu-Mg pair is a good candidate for resonant photopumping experiments. Moreover, the separation of the 2p-3s transition in neonlike Fe and the 1s-2p transition in heliumlike F is measured to assess the resonance for use in a scheme to spoil x-ray lasing. The overlap (2000 ppm), however, appears insufficient.
引用
收藏
页码:3123 / 3126
页数:4
相关论文
共 29 条
[1]   PHOTOPUMPING AND FLUORESCENCE IN A LASER-PRODUCED PLASMA .1. EXPERIMENTAL RESULTS [J].
BACK, CA ;
CHENAISPOPOVICS, C ;
LEE, RW .
PHYSICAL REVIEW A, 1991, 44 (10) :6730-6742
[2]   LOW-ENERGY X-RAY SPECTROMETER FOR AN ELECTRON-BEAM ION-TRAP [J].
BEIERSDORFER, P ;
WARGELIN, BJ .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1994, 65 (01) :13-17
[3]   MEASUREMENTS OF LINE OVERLAP FOR RESONANT PHOTOPUMPING OF 4-]4 TRANSITIONS IN HIGHLY CHARGED NICKEL-LIKE IONS [J].
BEIERSDORFER, P ;
NILSEN, J ;
OSTERHELD, A ;
VOGEL, D ;
WONG, K ;
MARRS, RE ;
ZASADZINSKI, R .
PHYSICAL REVIEW A, 1992, 46 (01) :R25-R28
[4]   DEMONSTRATION OF A NARROW-DIVERGENCE X-RAY LASER IN NEONLIKE TITANIUM [J].
BOEHLY, T ;
RUSSOTTO, M ;
CRAXTON, RS ;
EPSTEIN, R ;
YAAKOBI, B ;
DASILVA, LB ;
NILSEN, J ;
CHANDLER, EA ;
FIELDS, DJ ;
MACGOWAN, BJ ;
MATTHEWS, DL ;
SCOFIELD, JH ;
SHIMKAVEG, G .
PHYSICAL REVIEW A, 1990, 42 (11) :6962-6965
[5]   THE 1986 ADJUSTMENT OF THE FUNDAMENTAL PHYSICAL CONSTANTS [J].
COHEN, ER ;
TAYLOR, BN .
REVIEWS OF MODERN PHYSICS, 1987, 59 (04) :1121-1148
[6]   CHARGE-DEPENDENT WAVELENGTH SHIFTS AND LINE-INTENSITIES IN THE DIELECTRONIC SATELLITE SPECTRUM OF HELIUMLIKE IONS [J].
CORNILLE, M ;
DUBAU, J ;
LOULERGUE, M .
PHYSICAL REVIEW A, 1985, 32 (05) :3000-3004
[8]   MEASUREMENT OF LINE OVERLAP FOR RESONANT PHOTOPUMPING OF TRANSITIONS IN NEON-LIKE IONS BY NICKEL-LIKE IONS [J].
ELLIOTT, S ;
BEIERSDORFER, P ;
NILSEN, J .
PHYSICAL REVIEW A, 1993, 47 (02) :1403-1406
[9]   OBSERVATION OF HIGH-GAIN IN NE-LIKE AG LASERS [J].
FIELDS, DJ ;
WALLING, RS ;
SHIMKAVEG, GM ;
MACGOWAN, BJ ;
DASILVA, LB ;
SCOFIELD, JH ;
OSTERHELD, AL ;
PHILLIPS, TW ;
ROSEN, MD ;
MATTHEWS, DL ;
GOLDSTEIN, WH ;
STEWART, RE .
PHYSICAL REVIEW A, 1992, 46 (03) :1606-1609
[10]   VERIFICATION OF X-RAY-LINE COINCIDENCES BY HIGH-RESOLUTION SPECTROSCOPY [J].
GABEL, K ;
BERGMANN, C ;
FILL, E ;
FORSTER, E ;
USCHMANN, I .
APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY, 1993, 56 (01) :3-7