The role of plasma in ablation of materials by ultrashort laser pulses
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 precipitati...
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| Veröffentlicht in: | Quantum electronics (Woodbury, N.Y.) N.Y.), 2001-05, Vol.31 (5), p.378-382 |
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| container_end_page | 382 |
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| container_issue | 5 |
| container_start_page | 378 |
| container_title | Quantum electronics (Woodbury, N.Y.) |
| container_volume | 31 |
| creator | Klimentov, Sergei M Kononenko, Taras V Pivovarov, Pavel A Garnov, Sergei V Konov, Vitalii I Prokhorov, A M Breitling, D Dausinger, F |
| description | 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. (femtosecond technologies) |
| doi_str_mv | 10.1070/QE2001v031n05ABEH001958 |
| format | Article |
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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. 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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. 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| fulltext | fulltext |
| identifier | ISSN: 1063-7818 |
| ispartof | Quantum electronics (Woodbury, N.Y.), 2001-05, Vol.31 (5), p.378-382 |
| issn | 1063-7818 1468-4799 |
| language | eng |
| recordid | cdi_crossref_primary_10_1070_QE2001v031n05ABEH001958 |
| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | ABLATION ALLOYS CARBON ADDITIONS ELECTROMAGNETIC RADIATION IRON ALLOYS IRON BASE ALLOYS LASER RADIATION MATERIALS SCIENCE MICROSTRUCTURE PARTICLES PLASMA PRECIPITATION PULSES RADIATIONS SCREENING SEPARATION PROCESSES STEELS TRANSITION ELEMENT ALLOYS |
| title | The role of plasma in ablation of materials by ultrashort laser pulses |
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