Fast photography of XeCl laser-induced plasma of graphite in vacuum and in nitrogen atmosphere

被引：12

作者：

Acquaviva, S

De Giorgi, ML

机构：

[1] Univ Lecce, Dipartimento Fis, I-73100 Lecce, Italy

[2] INFM, I-73100 Lecce, Italy

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2003年 / 36卷 / 02期

关键词：

D O I：

10.1088/0953-4075/36/2/306

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Fast photography with a gated intensified close-coupled device camera was applied to provide a visualization of the temporal and spatial evolution of chemical species in a plasma induced by a 308 nm laser during graphite ablation, in vacuum and in nitrogen atmosphere. A sequence of frames of the luminous plume was recorded, using narrow interference filters, and plasma expansion velocity was estimated from the acquired images. Present observations agree with optical emission spectroscopic investigations performed under the same experimental conditions.

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页码：247 / 260

页数：14

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