CO2 Laser Ablation Area Scaling and Redeposition on Flat Polyoxymethylene Targets
Sinko, John Elihu and Ogita, Naoya and Sasoh, Akihiro and Scharring, Stefan and Eckel, Hans-Albert and Röser, Hans-Peter
CO2 Laser Ablation Area Scaling and Redeposition on Flat Polyoxymethylene Targets.
In: International Symposium on High Power Laser Ablation 2010, 1278, pp. 538-547.
American Institute of Physics, Melville, NY.
High Power Laser Ablation 8, 18.-22. April 2010, Santa Fe, New Mexico, USA.
One of the remaining subjects of interest for laser ablation propulsion study is whether special benefits or challenges exist when applying a particularly large or small laser spot area to a target. This subject is of high importance for topics including laser removal of space debris, micropropulsion, and design of laser propulsion vehicles. Analysis of spot area-dependent effects is complex since ablation phenomena differ between atmosphere and vacuum conditions. Progress has
also been impeded by the difficulty of setting control parameters (particularly fluence) constant while the spot area is adjusted. It is virtually impossible for one group to address small- and large-area effects using a single high-power laser system. Recent collaborative experiments using 100-J class
and 10-J class CO2 lasers have advanced the understanding of laser propulsion area scaling. Experiments were conducted below the threshold for plasma formation. The dependence of various laser propulsion parameters on the laser spot area has been investigated within areas covering approximately 0.5-50 cm2 on the target.
|Document Type:||Conference or Workshop Item (Speech, Paper)|
|Title:||CO2 Laser Ablation Area Scaling and Redeposition on Flat Polyoxymethylene Targets|
|Authors||Institution or Email of Authors|
|Sinko, John Elihu||Micro-Nano Global Center of Excellence, Graduate School of Engineering, Nagoya, Japan|
|Ogita, Naoya||Department of Aerospace Engineering, Nagoya University, Japan|
|Sasoh, Akihiro||Department of Aerospace Engineering, Nagoya University, Japan|
|Röser, Hans-Peter||Institut für Raumfahrtsysteme, Universität Stuttgart|
|Journal or Publication Title:||International Symposium on High Power Laser Ablation 2010|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 538-547|
|Phipps, Claude||Photonic Associates, LLC|
|Publisher:||American Institute of Physics, Melville, NY|
|Series Name:||AIP Conference Proceedings|
|Keywords:||Laser ablation, Area scaling, Impulse measurement, Laser propulsion|
|Event Title:||High Power Laser Ablation 8|
|Event Location:||Santa Fe, New Mexico, USA|
|Event Type:||international Conference|
|Event Dates:||18.-22. April 2010|
|Organizer:||Claude Phipps, Photonic Associates LLC|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||Aircraft Research|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L AR - Aircraft Research|
|DLR - Research theme (Project):||L - Laser Research and Technology|
|Institutes and Institutions:||Institute of Technical Physics|
|Deposited On:||19 Sep 2012 14:27|
|Last Modified:||12 Dec 2013 21:46|
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