The role of plasma in ablation of materials by ultrashort laser pulses

被引：56

作者：

Klimentov, SM

Kononenko, TV

Pivovarov, PA

Garnov, SV

Konov, VI

Prokhorov, AM

Breitling, D

Dausinger, F

机构：

[1] Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia

[2] Inst Strahlwerkzeuge, D-70569 Stuttgart, Germany

来源：

QUANTUM ELECTRONICS | 2001年 / 31卷 / 05期

关键词：

ablation; femtosecond laser pulses; laser plasma;

D O I：

10.1070/QE2001v031n05ABEH001958

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The ablative formation of deep channels in steel by femtosecond and picosecond laser pulses is studied. A significant screening of the incident energy inside deep channels is found to occur due to the air breakdown at ablated microparticles. The breakdown thresholds and the microparticle precipitation times are estimated. This kind of plasma screening stabilises the linear ablation rate and causes a significant channel broadening.

引用

页码：378 / 382

页数：5

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