OPTICAL GAIN ON THE 476.5 NM ARGON-ION LASER LINE IN A GAS-TARGET EXCITED BY A HEAVY-ION BEAM

被引：6

作者：

ULRICH, A ^{[1
]}

WIESER, J ^{[1
]}

PFAFFENBERGER, R ^{[1
]}

BUSCH, B ^{[1
]}

KROTZ, W ^{[1
]}

KORNER, HJ ^{[1
]}

RIBITZKI, G ^{[1
]}

MURNICK, DE ^{[1
]}

机构：

[1] RUTGERS STATE UNIV,DEPT PHYS,NEWARK,NJ 07102

来源：

ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI | 1991年 / 341卷 / 01期

关键词：

D O I：

10.1007/BF01281282

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Optical gain on the 476.5 nm Ar II 4p-4s ion laser transition has been observed in argon-gas excited by 2.5 ns pulses of 90 MeV S-32 ions with a repetition rate of 4883 Hz. The energy per pulse was 23-mu-J. The projectiles were stopped in the target at pressures between 5 and 20 kPa. Gain was determined from a measured transient increase of the intensity of a 476.5 nm probe laser beam sent along the ion beam axis and back reflected by an aluminum foil. The maximum gain observed was (0.4 +/- 0.1) x 10(-3) at a target-gas pressure of 5 kPa. Control experiments using krypton as target-gas were performed and yielded a null result. The optical gain observed in argon is consistent with the result from an analysis of spectroscopic studies of rare-gas targets excited by heavy ion beams.

引用

页码：111 / 115

页数：5

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