Soft-x-ray emission from small-sized Ne clusters heated by intense, femtosecond laser pulses

被引：13

作者：

Mocek, T ^{[1
]}

Kim, CM ^{[1
]}

Shin, HJ ^{[1
]}

Lee, DG ^{[1
]}

Cha, YH ^{[1
]}

Hong, KH ^{[1
]}

Nam, CH ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Phys, Yusong Gu, Taejon 305701, South Korea

来源：

PHYSICAL REVIEW E | 2000年 / 62卷 / 03期

关键词：

D O I：

10.1103/PhysRevE.62.4461

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Soft-x-ray emission from a cryogenically cooled Ne jet irradiated; by intense, 25-fs laser pulses was measured. The Ne spectrum started to drastically change in emitting ions from Ne5+ to Ne7+ below the preexpansion temperature of - 120 degrees C. The significant change in the spectrum is attributed to the collisional heating of small-sized Ne clusters formed in the cooled jet. The increase of the laser pulse length from 25 fs to 100 fs resulted in further increase of x-ray emission from Ne7+ states.

引用

页码：4461 / 4464

页数：4

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