Title
Ciliary white light : optical aspect of ultrashort laser ablation on transparent dielectricsCiliary white light : optical aspect of ultrashort laser ablation on transparent dielectrics
Author
Faculty/Department
Faculty of Sciences. Physics
Research group
Electron microscopy for materials research (EMAT)
Publication type
article
Publication
New York, N.Y.,
Subject
Physics
Source (journal)
Physical review letters. - New York, N.Y.
Volume/pages
110(2013):9, p. 1-5
ISSN
0031-9007
Article Reference
097601
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We report on a novel nonlinear optical phenomenon, coined as ciliary white light, during laser ablation of transparent dielectrics. It is observed in 14 different transparent materials including glasses, crystals, and polymers. This phenomenon is also universal with respect to laser polarization, pulse duration, and focusing geometry. We interpret its formation in terms of the nonlinear diffraction of the laser generated white light by the ablation crater covered by nanostructures. It carries rich information on the damage profile and morphology dynamics of the ablated surface, providing a real time in situ observation of the laser ablation process. DOI: 10.1103/PhysRevLett.110.097601
Full text (open access)
https://repository.uantwerpen.be/docman/irua/6447bd/3819.pdf
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