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Proceedings Paper

Ultra-high-resolution fluorescence images in thin phosphor films
Author(s): N. Riesen; K. Badek; Y. Ruan; T. M. Monro; H. Riesen
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Paper Abstract

Fluorescence images approaching sub-micron resolution are formed in thin nanocrystalline phosphor films. The images are created with UV exposure of the films under chrome-coated quartz masks. The UV light locally changes the valence state of the samarium ions in the nanocrystalline phosphors to activate fluorescence properties. The red fluorescence images are then read-out with blue-violet light. With an imaging resolution approaching the diffraction limit, this technology has potential for anti-counterfeiting labelling or optical data storage applications.

Paper Details

Date Published: 30 December 2019
PDF: 2 pages
Proc. SPIE 11200, AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019, 112000S (30 December 2019); doi: 10.1117/12.2541099
Show Author Affiliations
N. Riesen, Univ. of South Australia (Australia)
The Univ. of Adelaide (Australia)
K. Badek, The Univ. of New South Wales (Australia)
Y. Ruan, The Univ. of Adelaide (Australia)
T. M. Monro, Univ. of South Australia (Australia)
The Univ. of Adelaide (Australia)
H. Riesen, The Univ. of New South Wales (Australia)


Published in SPIE Proceedings Vol. 11200:
AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019
Arnan Mitchell; Halina Rubinsztein-Dunlop, Editor(s)

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