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The Power of Light: Selforganized Formation of Macroscopic Amounts of Silica Melts controlled by Laser Light
Günster, Jens and Oelgardt, Carina and Heinrich, Jürgen G. and Melcher, Jörg (2008) The Power of Light: Selforganized Formation of Macroscopic Amounts of Silica Melts controlled by Laser Light. Applied Physical Letters, 94 (2), . American Institute of Physics. DOI: 10.1063/1.3000637.
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Official URL: http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=APPLAB000094000002021114000001&idtype=cvips&gifs=yes
Abstract
CO2 laser systems with a power output of up to 12 kW continuous wave have been employed for melting high purity amorphous silica (SiO2) powders. Under the intense light irradiation, the migration of matter on the silica sample has been observed. A net mass transport results in the formation of macroscopic structures in the liquid phase. Protrusions of up to 7 mm height are formed against gravitational force and surface tension. For the first time, this work reports on the self-organized formation of macroscopic structures by viscous flow of a dielectric melt driven by laser light.
| Document Type: | Article | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Title: | The Power of Light: Selforganized Formation of Macroscopic Amounts of Silica Melts controlled by Laser Light | ||||||||||
| Authors: |
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| Date: | 13 August 2008 | ||||||||||
| Journal or Publication Title: | Applied Physical Letters | ||||||||||
| Refereed publication: | Yes | ||||||||||
| In ISI Web of Science: | Yes | ||||||||||
| Volume: | 94 | ||||||||||
| DOI: | 10.1063/1.3000637 | ||||||||||
| Page Range: | |||||||||||
| Publisher: | American Institute of Physics | ||||||||||
| Series Name: | APPLIED PHYSICS LETTERS | ||||||||||
| Status: | Published | ||||||||||
| Keywords: | self-organization, laser, ceramic, energy, potential, shrinkage, light-material-interaction | ||||||||||
| HGF - Research field: | no assignement | ||||||||||
| HGF - Program: | no assignment | ||||||||||
| HGF - Program Themes: | L - no assignement | ||||||||||
| DLR - Research area: | Aeronautics | ||||||||||
| DLR - Program: | L - no assignement | ||||||||||
| DLR - Research theme (Project): | ["eprint_fieldopt_dlr_project_search_L000" not defined] | ||||||||||
| Location: | Braunschweig | ||||||||||
| Institutes and Institutions: | Institute of Composite Structures and Adaptive Systems | ||||||||||
| Deposited By: | Dr.-Ing. Jörg Melcher | ||||||||||
| Deposited On: | 03 Feb 2009 | ||||||||||
| Last Modified: | 14 Jan 2010 23:59 |
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