Directionality in laser fabrication of 3D graphitic microwires in diamond

B. Sun; P. S. Salter; M. J. Booth

doi:10.1117/12.2212686

4 March 2016 Directionality in laser fabrication of 3D graphitic microwires in diamond

B. Sun, P. S. Salter, M. J. Booth

Proceedings Volume 9736, Laser-based Micro- and Nanoprocessing X; 973612 (2016) https://doi.org/10.1117/12.2212686
Event: SPIE LASE, 2016, San Francisco, California, United States

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.

Citation Download Citation

B. Sun, P. S. Salter, and M. J. Booth "Directionality in laser fabrication of 3D graphitic microwires in diamond", Proc. SPIE 9736, Laser-based Micro- and Nanoprocessing X, 973612 (4 March 2016); https://doi.org/10.1117/12.2212686

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