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Proceedings Paper

Handling and assembling of low-density foam structures fabricated by two-photon polymerization
Author(s): O. Stein; Y. Liu; J. Streit; R. Cahayag; Y. Lu; N. Petta
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Paper Abstract

Low-density foam targets for laser induced shock wave propagation experiments were produced via laser direct writing from polymeric materials. These targets were designed with dimensions of 2.0X0.25X0.3mm with a density of 100mg/cm3 and included a fully polymerized ablation layer, 15μm thick, written contiguously with the low density material in a single fabrication step. We developed a unique protocol in order to assist in the release and harvest of the foam targets from the glass substrate on which they were fabricated. The fabrication process, as well as the assembly and handling of these delicate brittle samples is described in this paper, demonstrating the flexibility, versatility and efficiency of two photon polymerization as fabrication technique that may complement conventional approaches for low density materials fabrication. An ongoing research effort is being conducted in order to reduce to the minimum the content of stitching defects between the target’s building blocks.

Paper Details

Date Published: 31 August 2017
PDF: 9 pages
Proc. SPIE 10354, Nanoengineering: Fabrication, Properties, Optics, and Devices XIV, 103540L (31 August 2017); doi: 10.1117/12.2274564
Show Author Affiliations
O. Stein, Schafer Livermore Lab. (United States)
Y. Liu, Univ. of Nebraska-Lincoln (United States)
J. Streit, Schafer Livermore Lab. (United States)
R. Cahayag, Schafer Livermore Lab. (United States)
Y. Lu, Univ. of Nebraska-Lincoln (United States)
N. Petta, Schafer Livermore Lab. (United States)


Published in SPIE Proceedings Vol. 10354:
Nanoengineering: Fabrication, Properties, Optics, and Devices XIV
Eva M. Campo; Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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