EXPANSION-INDUCED DOPPLER SHIFTS FROM ULTRASHORT-PULSE LASER-PRODUCED PLASMAS

被引:33
作者
MILCHBERG, HM
FREEMAN, RR
机构
[1] UNIV MARYLAND, DEPT ELECT ENGN, COLLEGE PK, MD 20742 USA
[2] AT&T BELL LABS, MURRAY HILL, NJ 07974 USA
来源
PHYSICAL REVIEW A | 1990年 / 41卷 / 04期
关键词
D O I
10.1103/PhysRevA.41.2211
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The expansion of hot, near-solid-density plasmas produced by subpicosecond laser pulses has been measured by monitoring the spectral modifications imposed on the specularly reflected heating pulse. The spectral changes are attributable to Doppler shifts arising from mass motion driven by the heated electrons; a simple model for the expansion is used to estimate electron temperatures in the range 1100 eV, corresponding to incident laser intensities 10121015 W/cm2.. AE © 1990 The American Physical Society.
引用
收藏
页码:2211 / 2214
页数:4
相关论文
共 17 条
[1]  
CAMPBELL EM, 1988, SPIE P, V13
[2]   PICOSECOND AMPLIFICATION AND KINETIC-STUDIES OF XECL [J].
CORKUM, PB ;
TAYLOR, RS .
IEEE JOURNAL OF QUANTUM ELECTRONICS, 1982, 18 (11) :1962-1975
[3]   EXPANSION OF A PLASMA INTO A VACUUM [J].
CROW, JE ;
AUER, PL ;
ALLEN, JE .
JOURNAL OF PLASMA PHYSICS, 1975, 14 (AUG) :65-76
[4]  
DOWNER MC, 1988, ULTRAFAST PHENOMENA, V4
[5]   GENERATION OF NONEQUILIBRIUM ELECTRON AND LATTICE TEMPERATURES IN COPPER BY PICOSECOND LASER-PULSES [J].
EESLEY, GL .
PHYSICAL REVIEW B, 1986, 33 (04) :2144-2151
[6]  
Falcone R. W., 1986, AIP C P, V147, P81
[7]   FEMTOSECOND LASER INTERACTION WITH METALLIC TUNGSTEN AND NONEQUILIBRIUM ELECTRON AND LATTICE TEMPERATURES [J].
FUJIMOTO, JG ;
LIU, JM ;
IPPEN, EP ;
BLOEMBERGEN, N .
PHYSICAL REVIEW LETTERS, 1984, 53 (19) :1837-1840
[8]  
Ginzburg V. L., 1970, PROPAGATION ELECTROM
[9]  
KUHLKE D, 1987, APPL PHYS LETT, V50, P1785, DOI 10.1063/1.97696
[10]   RESISTIVITY OF A SIMPLE METAL FROM ROOM-TEMPERATURE TO 106-K [J].
MILCHBERG, HM ;
FREEMAN, RR ;
DAVEY, SC ;
MORE, RM .
PHYSICAL REVIEW LETTERS, 1988, 61 (20) :2364-2367