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Conferences > PIBM > 2017 > W3A > W3A.37

Long-term ultra-low-level power STED nanoscopy

Xusan Yang, Chenshuo Ma, Fan Wang, Dayong Jin, and Peng Xi

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Abstract

Through the strategic application of upconversion rare-earth nanoparticles (UCNPs), this work has reduced the intensity of the traditional super-resolution by 2-3 orders of magnitude. It reveals a new mechanism of stimulated emission caused by the photon avalanche effect. With only 30mW continuous laser, resolution down to 28nm has been attained, which is only 1/36 of the excitation wavelength.

© 2017 Optical Society of America

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