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Proceedings Paper

Directionality in laser fabrication of 3D graphitic microwires in diamond
Author(s): B. Sun; P. S. Salter; M. J. Booth
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Paper Abstract

Graphitic wires embedded beneath the surface of single crystal diamond are promising for a variety of applications. Through a combination of ultra short (femtosecond) pulsed fabrication, high numerical aperture focusing and adaptive optics, graphitic wires can be written along any 3D path. Here, we demonstrate a non-reciprocal directional dependence to the graphitization process: the features are distinct when the fabrication direction is reversed. The non-reciprocal effects are significantly determined by the laser power, the fabrication speed, the light polarization and pulse front tilt. The influences of these factors are studied.

Paper Details

Date Published: 4 March 2016
PDF: 8 pages
Proc. SPIE 9736, Laser-based Micro- and Nanoprocessing X, 973612 (4 March 2016); doi: 10.1117/12.2212686
Show Author Affiliations
B. Sun, Univ. of Oxford (United Kingdom)
Friedrich-Alexander Univ. Erlangen-Nurnberg (Germany)
P. S. Salter, Univ. of Oxford (United Kingdom)
M. J. Booth, Univ. of Oxford (United Kingdom)
Friedrich-Alexander Univ. Erlangen-Nurnberg (Germany)

Published in SPIE Proceedings Vol. 9736:
Laser-based Micro- and Nanoprocessing X
Udo Klotzbach; Kunihiko Washio; Craig B. Arnold, Editor(s)

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