DLIP holographic structuring: from basic concept to advanced monitoring methods and industrial scale production

Research output: Contribution to book/Conference proceedings/Anthology/ReportConference contributionContributedpeer-review

Contributors

Abstract

This study reports on the application of the Direct Laser Interference Patterning method for the fabrication of holographic motives. The advantages of this method over conventional laser processing methods in terms of resolution, flexibility and throughput are analyzed. It is showed that interference approach for formation of diffraction gratings provides faster fabrication speed together with enhanced visual effect of the structural colors. The control of the period of the formed patterns provided the ability to form exact structural colors, which preserved the visibility of the motives across the whole structured area at certain observation conditions. The capability to improve further the fabrication speed, required for several industrial applications, is demonstrated using a Roll-to-Roll hot embossing system, permitting to replicate holographic motives formed by DLIP on PET foils. Finally, the first tests of inline monitoring method are presented, which is proposed for controlling the quality of the imprinted structures.

Details

Original languageEnglish
Title of host publicationLaser-based Micro- and Nanoprocessing XIII
Editors Udo Klotzbach, Akira Watanabe, Rainer Kling
PublisherSPIE - The international society for optics and photonics
Number of pages8
Publication statusPublished - 2019
Peer-reviewedYes

Publication series

SeriesProceedings Of Spie
Volume10906
ISSN0277-786X

Conference

TitleConference on Laser-Based Micro- and Nanoprocessing XIII (LBMP) at Photonics West Conference
Duration5 - 7 February 2019
CitySan Francisco
CountryCanada

External IDs

Scopus 85068027623
ORCID /0000-0003-4333-4636/work/196675536

Keywords

Keywords

  • Direct Laser Interference Patterning, Roll-to-Roll, Holographic motives, Hot-embossing, Monitoring system

Library keywords