COLLISIONLESS ABSORPTION IN SHARP-EDGED PLASMAS

被引：304

作者：

GIBBON, P

BELL, AR

机构：

[1] MAX PLANCK INST BIOPHYS CHEM,W-3400 GOTTINGEN,GERMANY

[2] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,BLACKETT LAB,LONDON SW7 2BZ,ENGLAND

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 68卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.68.1535

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The absorption of subpicosecond, obliquely incident laser light is studied using a 1 1/2 D particle-in-cell code. Density scale lengths from L/lambda = 0.01 to 2 and laser irradiances between I-lambda-2 = 10(14) and 10(18) W cm2-mu-m2 are considered. "Vacuum heating" [F. Brunel, Phys. Rev. Lett. 59, 52 (1987)] dominates over resonance absorption for scale lengths L/lambda < 0.1, and is most efficient when upsilon(osc)/c congruent-to 3.1 (L/lambda)2. Absorbed energy is carried mainly by a "superhot" electron population with U(hot) approximately (I-lambda-2)1/3-1/2.

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页码：1535 / 1538

页数：4

相关论文

共 21 条

[1] LASER INTERACTION WITH A SHARP-EDGED OVERDENSE PLASMA [J].

BONNAUD, G ;

GIBBON, P ;

KINDEL, J ;

WILLIAMS, E .

LASER AND PARTICLE BEAMS, 1991, 9 (02) :339-354

[2] OBLIQUE-INCIDENCE OF A STRONG ELECTROMAGNETIC-WAVE ON A COLD INHOMOGENEOUS ELECTRON-PLASMA - RELATIVISTIC EFFECTS [J].

BOURDIER, A .

PHYSICS OF FLUIDS, 1983, 26 (07) :1804-1807

[3] ANOMALOUS ABSORPTION OF HIGH-INTENSITY SUBPICOSECOND LASER-PULSES [J].

BRUNEL, F .

PHYSICS OF FLUIDS, 1988, 31 (09) :2714-2719

[4] NOT-SO-RESONANT, RESONANT ABSORPTION [J].

BRUNEL, F .

PHYSICAL REVIEW LETTERS, 1987, 59 (01) :52-55

[5] INTERACTION OF A 1 PSEC LASER-PULSE WITH SOLID MATTER [J].

CHAKER, M ;

KIEFFER, JC ;

MATTE, JP ;

PEPIN, H ;

AUDEBERT, P ;

MAINE, P ;

STRICKLAND, D ;

BADO, P ;

MOUROU, G .

PHYSICS OF FLUIDS B-PLASMA PHYSICS, 1991, 3 (01) :167-175

[6] PROPERTIES OF RESONANTLY HEATED ELECTRON DISTRIBUTIONS [J].

ESTABROOK, K ;

KRUER, WL .

PHYSICAL REVIEW LETTERS, 1978, 40 (01) :42-45

[7] 2-DIMENSIONAL RELATIVISTIC SIMULATIONS OF RESONANCE-ABSORPTION [J].

ESTABROOK, KG ;

VALEO, EJ ;

KRUER, WL .

PHYSICS OF FLUIDS, 1975, 18 (09) :1151-1159

[8]

ESTABROOK KG, 1986, UNPUB ANN LASER PROG, P2

[9] ABSORPTION OF FEMTOSECOND LASER-PULSES IN HIGH-DENSITY PLASMA [J].

FEDOSEJEVS, R ;

OTTMANN, R ;

SIGEL, R ;

KUHNLE, G ;

SZATMARI, S ;

SCHAFER, FP .

PHYSICAL REVIEW LETTERS, 1990, 64 (11) :1250-1253

[10] THEORY AND SIMULATION OF RESONANT ABSORPTION IN A HOT PLASMA [J].

FORSLUND, DW ;

KINDEL, JM ;

LEE, K ;

LINDMAN, EL ;

MORSE, RL .

PHYSICAL REVIEW A, 1975, 11 (02) :679-683