| 光谱学与光谱分析 |
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| Comprehensive Analysis of Up-Conversion Luminescence Saturation Phenomena of ErYb:Oxyfluoride Vitroceramics |
| CHEN Xiao-bo1, SONG Zeng-fu2 |
1. Applied Optics Beijing Area Major-Laboratory, Beijing Normal University, Beijing 100875, China
2. Physics School, Peking University, Beijing 100871, China |
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Abstract The saturation phenomenon of the up-conversion luminescence of erbium ytterbium co-doped oxyfluoride vitroceramics (ErYb:FOV), when excited by a 966 nm diode-laser, was investigated comprehensively in the present article. A new kind of “characteristic saturation phenomenon”, which results from energy diffusion, was found, i.e. the slope of logI-logP curve, the double logarithmic variation of up-conversion luminescence intensity I upon laser power P, is increased evidently toward regular multi-photon relation with the increase of laser facula. The “typical saturation phenomenon” resulting from ground state population’s exhaustion has huge influence as well, which causes these logI-logP curves to bend gradually with the increase in laser power. Interestingly, this “typical saturation phenomenon” can be decreased obviously and even vanishes when the pumping laser power density is decreased enough.
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Received: 2003-01-08
Accepted: 2003-05-18
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Corresponding Authors:
CHEN Xiao-bo
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| Cite this article: |
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CHEN Xiao-bo,SONG Zeng-fu. Comprehensive Analysis of Up-Conversion Luminescence Saturation Phenomena of ErYb:Oxyfluoride Vitroceramics [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(02): 161-165.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2005/V25/I02/161 |
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