Acta Optica Sinica, Volume. 22, Issue 2, 233(2002)

IR Emission and Frequency Upconversion in Tm3+ Doped Fluoroaluminate Glass

[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
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    The fluoroaluminate glasses doped with Tm 3+ were prepared. The spectroscopic parameters have been calculated for Tm 3+ doped fluoroaluminate (AYF) glass based on the measured absorption spectra using Judd-Ofelt theory. IR emission and frequency upconversion of Tm 3+ doped fluoroaluminate glass were investigated. The results show that the concentration quenching is more significant for 1.45 μm-emission ( 3F 4→ 3H 4) than for 1.77 μm-emission ( 3H 4→ 3H 6) under the 800 nm excitation. The mechanism of upconversion, excited at 655 nm, was proved to be a simple excited state absorption (ESA) process.

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    [in Chinese], [in Chinese], [in Chinese], [in Chinese]. IR Emission and Frequency Upconversion in Tm3+ Doped Fluoroaluminate Glass[J]. Acta Optica Sinica, 2002, 22(2): 233

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    Paper Information

    Category: Materials

    Received: Mar. 2, 2001

    Accepted: --

    Published Online: Aug. 8, 2006

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