Generation of high-aspect ratio, dense nano-plasmas in solid dielectrics with femtosecond Bessel beams

F. Courvoisier; B. Morel; P.J. Charpin; M. Hassan; K. Ardaneh; V.V. Belloni; R. Meyer; L. Furfaro; L. Froehly; R. Giust

JSAP-Optica Joint Symposia 2022 Abstracts
(Optica Publishing Group, 2022),
paper 23p_C205_6

Generation of high-aspect ratio, dense nano-plasmas in solid dielectrics with femtosecond Bessel beams

F. Courvoisier, B. Morel, P.J. Charpin, M. Hassan, K. Ardaneh, V.V. Belloni, R. Meyer, L. Furfaro, L. Froehly, and R. Giust

JSAP-Optica Joint Symposia 2022

Sendai Japan
20–23 September 2022
ISBN: 978-4-86348-801-4

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Lasers and laser materials processing (LLMP)

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F. Courvoisier, B. Morel, P. J. Charpin, M. Hassan, K. Ardaneh, V. V. Belloni, R. Meyer, L. Furfaro, L. Froehly, and R. Giust, "Generation of high-aspect ratio, dense nano-plasmas in solid dielectrics with femtosecond Bessel beams," in JSAP-Optica Joint Symposia 2022 Abstracts, (Optica Publishing Group, 2022), paper 23p_C205_6.

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Abstract

Transparent materials such as glass and sapphire are ubiquitous in modern technology. They are used for consumer electronics, substrates for microsystems, microchips, and encapsulation. However, most of the intended uses require deep drilling, which is extremely demanding for lithography. In this framework, ultrafast laser pulses are ideal since they allow materials to be processed in 3 dimensions from the material’s bulk. In this context, Bessel beams provide novel opportunities for laser processing of transparent materials at an extremely high aspect ratio.

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