Optimization of the Energy Deposition in Glasses with Temporally-Shaped Femtosecond Laser Pulses
Abstract
Bulk machining of glasses with femtosecond laser pulses enables the fabrication of embedded optical functions. Due to the nonlinear character of the laser-matter interaction, structural modifications can occur within the focal region. To reach a full control of the process, ways of controlling the deposition of the laser energy inside the material have to be unveiled. From static and time-resolved pictures of bulk-excitation of a-SiO2 and borosilicate glass, we show that particular laser temporal shapes such as picosecond sequences can better confine the energy deposition than the femtosecond sequence by reducing the propagation artifacts.
Domains
Optics / Photonic
Fichier principal
template_MSWord_full_paper_LiM2011_Mauclair_pour_HAL.pdf (212.45 Ko)
Télécharger le fichier
Origin : Files produced by the author(s)
Loading...