ION-CHANNEL LASER

被引:140
作者
WHITTUM, DH [1 ]
SESSLER, AM [1 ]
DAWSON, JM [1 ]
机构
[1] UNIV CALIF LOS ANGELES,DEPT PHYS,LOS ANGELES,CA 90024
关键词
D O I
10.1103/PhysRevLett.64.2511
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A relativistic electron beam propagating through a plasma in the ion-focused regime exhibits an electromagnetic instability with peak growth rate near a resonant frequency 22. Growth is enhanced by optical guiding in the ion channel, which acts as a dielectric waveguide, with fiber parameter V1(I/IA)1/2. A 1D theory for a laser making use of this instability is formulated, scaling laws are derived, and numerical examples are given. Possible experimental evidence is noted. © 1990 The American Physical Society.
引用
收藏
页码:2511 / 2514
页数:4
相关论文
共 27 条
[11]  
Chen P., 1987, PART ACCEL, V20, P171
[12]   COMPARATIVE-STUDY OF AXIAL AND AZIMUTHAL BUNCHING MECHANISMS IN ELECTROMAGNETIC CYCLOTRON INSTABILITIES [J].
CHU, KR ;
HIRSHFIELD, JL .
PHYSICS OF FLUIDS, 1978, 21 (03) :461-466
[13]   RELATIVISTIC ELECTRON-BEAMS AND BEAM-PLASMA INTERACTION [J].
DEJAGHER, PC ;
SLUIJTER, FW ;
HOPMAN, HJ .
PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1988, 167 (04) :177-239
[14]   MICROWAVE EMISSION AND BEAM PROPAGATION MEASUREMENTS IN A HIGH-POWER RELATIVISTIC ELECTRON-BEAM PLASMA SYSTEM [J].
DICAPUA, MS ;
CAMACHO, JF ;
FULKERSON, ES ;
MEEKER, D .
IEEE TRANSACTIONS ON PLASMA SCIENCE, 1988, 16 (02) :217-224
[15]   A UNIFIED THEORY OF MAGNETIC BREMSSTRAHLUNG, ELECTROSTATIC BREMSSTRAHLUNG, COMPTON-RAMAN SCATTERING, AND CERENKOV-SMITH-PURCELL FREE-ELECTRON LASERS [J].
GOVER, A ;
SPRANGLE, P .
IEEE JOURNAL OF QUANTUM ELECTRONICS, 1981, 17 (07) :1196-1215
[16]   ELECTROMAGNETIC-INSTABILITY IN A QUADRUPOLE-FOCUSING ACCELERATOR [J].
HUGHES, TP ;
GODFREY, BB .
PHYSICS OF FLUIDS, 1986, 29 (05) :1698-1703
[17]  
JOSHI C, 1985, AIP C P, V130
[18]   DETAILED SPECTRA OF HIGH-POWER BROAD-BAND MICROWAVE EMISSION FROM INTENSE ELECTRON-BEAM PLASMA INTERACTIONS [J].
KATO, KG ;
BENFORD, G ;
TZACH, D .
PHYSICAL REVIEW LETTERS, 1983, 50 (20) :1587-1590
[19]   FREE-ELECTRON LASERS WITH VARIABLE PARAMETER WIGGLERS [J].
KROLL, NM ;
MORTON, PL ;
ROSENBLUTH, MN .
IEEE JOURNAL OF QUANTUM ELECTRONICS, 1981, 17 (08) :1436-1468
[20]   A FREE-ELECTRON LASER WITH A ROTATING QUADRUPOLE WIGGLER [J].
LEVUSH, B ;
ANTONSEN, TM ;
MANHEIMER, WM ;
SPRANGLE, P .
PHYSICS OF FLUIDS, 1985, 28 (07) :2273-2281