Imaging with Diffractive Axicons Rapidly Milled on Sapphire by Femtosecond Laser Ablation

Imaging with Diffractive Axicons Rapidly Milled on Sapphire by Femtosecond Laser Ablation

We show that single-pulse burst fabrication will produce a flatter and smoother profile of axicons milled on sapphire compared to pulse overlapped fabrication which results in a damaged and much rougher surface. The fabrication of large-area (sub-1 cm cross-section) micro-optical components in a sho...

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Bibliographic Details
Main Authors: Daniel Smith, Soon Hock Ng, Molong Han, Tomas Katkus, Vijayakumar Anand, Saulius Juodkazis
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Engineering Proceedings
Subjects:
ablation
femtosecond lasers
diffractive optical elements
imaging
astronomy
Online Access:https://www.mdpi.com/2673-4591/34/1/26

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