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  • 2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference
  • (Optica Publishing Group, 2017),
  • paper CM_7_6

Femtosecond laser inscription of Bragg gratings formed on a thin GaN film grown on a sapphire substrate

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Abstract

Bragg gratings were inscribed on the surface of thin GaN film grown on a sapphire substrate. These gratings are generated by illumination of 800 nm femtosecond pulses through a phase mask and a cylindrical lens.

© 2017 IEEE

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