Physical origin of nanograting formation on fused silica with femtosecond pulses
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Laser physics study of the physical origin of nanograting formation in fused silica; the object is a material process.
This physics study explains nanograting formation in fused silica, not research methodology.
Laser physics study of nanograting formation on fused silica.
Abstract
We present a comprehensive analysis of physical evolution of nanograting formation based on an experiment performed with femtosecond pulses focused under moderate focusing conditions and where pulse energy is slowly increased as the focused beam is moved along the sample surface. The results demonstrate that nanograting inscription is initiated at the location of the maximum plasma density and evolves through local intensity side lobes, whose locations are self-regulated in a closed feedback loop, in agreement with the plasmonic model.
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The record
- Venue
- Applied Physics Letters
- Topic
- Laser Material Processing Techniques
- Field
- Engineering
- Canadian institutions
- Université Laval
- Funders
- Fonds de recherche du Québec – Nature et technologies
- Keywords
- FemtosecondMaterials sciencePlasmonPlasmaOpticsPulse (music)OptoelectronicsLaserPhysics
- Has abstract in OpenAlex
- yes