PLASMA TEMPERATURE IN OPTICAL-FIELD IONIZATION OF GASES BY INTENSE ULTRASHORT PULSES OF ULTRAVIOLET-RADIATION

被引：54
|
作者：
BLYTH, WJ
PRESTON, SG
OFFENBERGER, AA
KEY, MH
WARK, JS
NAJMUDIN, Z
MODENA, A
DJAOUI, A
DANGOR, AE
机构：
[1] UNIV ALBERTA,DEPT ELECT ENGN,EDMONTON,AB T6G 2G7,CANADA
[2] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
[3] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,BLACKETT LAB,LONDON SW7 2AZ,ENGLAND
来源：
PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 04期
关键词：
D O I：
10.1103/PhysRevLett.74.554
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Plasma electron temperatures from 3 eV to >1 keV have been measured or inferred in 1018 W cm-2 optical field ionization of helium and neon at electron densities ranging from 1017 to 1021 cm-3 by laser pulses of 350 fs duration and 248 nm wavelength. Increase of temperature with gas density is dominated at high densities by a combination of nonlinear inverse bremsstrahlung and stimulated Raman scattering heating which are identified as factors limiting progress to shorter extreme ultraviolet laser wavelength in recombination of optical field ionized plasmas. © 1995 The American Physical Society.
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页码：554 / 557
页数：4
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