Spectroscopic study of thulium doped transparent glass ceramics

Abstract

A systematic investigation on fluorescence spectroscopy of trivalent thulium doped in oxyfluoride glass ceramics containing LaF 3 nanocrystals has been carried out in a spectral range from 400 to 900 nm under the direct excitation of 1 D 2 level at a low temperature. Specific optical transitions related to the fluorescence emissions are studied based on experimental measurements in frequency and time domain. Fluorescence emissions from the ions in crystal phase are distinguished from what in glass phase and their spectroscopic properties are explored. The dynamical process shows that the temporal decay of fluorescence emission consists of two parts: a rapid decay from the ions in glass phase and a slower decay from the ions in crystal phase.

Strong Single-Band Down-Conversion Emission in Tm³⁺-Doped NaYF₄ Microparticles

“…稀土掺杂的微/纳米晶体在光动力学治疗﹑太 阳能光伏电池﹑DNA检测、药物传输、细胞组织 以及活体成像和免疫等领域具有极大的应用价值. [1][2][3][4][5][6] 尤其, 稀土纳米晶体作为荧光探针结合了稀土离子…”

Enhancement of Thulium–Ytterbium doped fiber laser efficiency using dual‐pumping method

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