Presentation
5 March 2021 New material measure for the calibration of areal-optical measuring instruments and its demands on fabrication
Julian Hering, Matthias Eifler, Xiukun Hu, Gaoliang Dai, Jörg Seewig, Georg von Freymann
Author Affiliations +
Abstract
For nowadays and future resolution calibration tasks of areal-optical measuring instruments, micro structures with nanometer details, covering as most as possible of these instrument’s characteristics, are needed. Since current calibration measures do not fully satisfy all of these characteristics, we report on a newly chirped topography, that allows for the very first time for a holistic analysis of all the required attributes. To realize this highly resolved micro structure, e.g., an aberration-free laser lithography system will become indispensable in near future. Therefore, we’ve implemented a Gerchberg-Saxton based algorithm, improving any focal intensity distribution by the use of a so-called double-helix.
Conference Presentation
© (2021) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Julian Hering, Matthias Eifler, Xiukun Hu, Gaoliang Dai, Jörg Seewig, and Georg von Freymann "New material measure for the calibration of areal-optical measuring instruments and its demands on fabrication", Proc. SPIE 11696, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XIV, 1169612 (5 March 2021); https://doi.org/10.1117/12.2579635
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KEYWORDS
Calibration

Aberration correction

Lithography

Optical aberrations

Optical calibration

Point spread functions

Standards development

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