Multiphoton upconversion thin film materials

Yong Yi; Han-Don Sun; Hui-Bie F. Xu; Guang Huang; Xinjian Yi

doi:10.1117/12.305398

15 April 1998 Multiphoton upconversion thin film materials

Yong Yi, Han-Don Sun, Hui-Bie F. Xu, Guang Huang, Xinjian Yi

Proceedings Volume 3280, Rare-Earth-Doped Devices II; (1998) https://doi.org/10.1117/12.305398
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

The upconversion fluophosphor codoped erbium-ytterbium was powdered into a grain diameter of near 1 micrometers . The upconversion powder was mixed with glue and addition agent. The colloid was printed on a sheet of paper forming a pattern shaped by a mask. The upconversion powder is white and the glue is transparent. As-printed pattern is too thin to see by human eyes. An intense visible pattern in green with wavelength of 542 nm has been observed at room temperature on the sheet of the paper using a GaAs infrared light emission diode as a pump source with a main wavelength of 900 nm. The fabrication process of the invisible pattern on the paper has been described in detail. The upconversion mechanism has been discussed.

Citation Download Citation

Yong Yi, Han-Don Sun, Hui-Bie F. Xu, Guang Huang, and Xinjian Yi "Multiphoton upconversion thin film materials", Proc. SPIE 3280, Rare-Earth-Doped Devices II, (15 April 1998); https://doi.org/10.1117/12.305398

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