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6 October 2023 Low-power super-resolution optical data storage enabled by high-order upconversion
Simone Lamon, Hui Zhang, Qiming Zhang, Min Gu
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Proceedings Volume PC12684, ODS 2023: Industrial Optical Devices and Systems; PC1268406 (2023) https://doi.org/10.1117/12.2675081
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
Far-field super-resolution optical technology provides ways for high-capacity super-resolution optical data storage. Typical techniques necessitate high laser beam power and lead to photo-damage. Since they can convert near-infrared excitation to ultraviolet and visible emission, upconversion nanoparticles have potential for photo-activation. Furthermore, they have excited energy levels with long lifetime for low-power super-resolution optical microscopy. We demonstrate the application of upconversion nanoparticles with high-order luminescence emission for low-power super-resolution photo-activation for low-power super-resolution optical data storage. Upconversion nanoparticles were mixed with photo-active compounds. To stimulate photo-activation in the nanocomposite, super-resolution irradiation was used. Written features demonstrated super-resolution size upon low laser beam power.
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Simone Lamon, Hui Zhang, Qiming Zhang, and Min Gu "Low-power super-resolution optical data storage enabled by high-order upconversion", Proc. SPIE PC12684, ODS 2023: Industrial Optical Devices and Systems, PC1268406 (6 October 2023); https://doi.org/10.1117/12.2675081
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KEYWORDS
Super resolution
Upconversion
Optical storage
Nanoparticles
Optical microscopy
Photons
Quantum capacity
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