Self-Organizing Half-Wave Gratings on the Surface of Silica Glass

S. A. Bibicheva,A. E. Rupasov,P. A. Danilov, A. A. Ionin, N. A. Smirnov, S. I. Kudryashov, S. N. Shelygina, R. A. Zakoldaev

Optics and Spectroscopy（2024）

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摘要

The interaction of femtosecond laser pulses with the surface of silica glass has been studied. As a result of interference between the incident radiation and surface plasmon polaritons, the formation of self-organizing subwavelength periodic structures with a period of 250 nm was observed. The minimum pulse energy at which recording occurs without surface ablation has been revealed.

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关键词

direct laser recording,femtosecond laser pulses,silica,nanogratings

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