Ultra-high-resolution fluorescence images in thin phosphor films

N. Riesen; K. Badek; Y. Ruan; T. M. Monro; H. Riesen

doi:10.1117/12.2541099

30 December 2019 Ultra-high-resolution fluorescence images in thin phosphor films

N. Riesen, K. Badek, Y. Ruan, T. M. Monro, H. Riesen

Proceedings Volume 11200, AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019; 112000S (2019) https://doi.org/10.1117/12.2541099
Event: ANZCOP, 2019, Melbourne, Australia

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.

Citation Download Citation

N. Riesen, K. Badek, Y. Ruan, T. M. Monro, and H. Riesen "Ultra-high-resolution fluorescence images in thin phosphor films", 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); https://doi.org/10.1117/12.2541099

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