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首页> 外文期刊>Optical Materials >Spectroscopic characterization of Ho~(3+) doped PbWO_4 crystals for laser and stimulated Raman scattering applications in the mid-infrared spectral range
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Spectroscopic characterization of Ho~(3+) doped PbWO_4 crystals for laser and stimulated Raman scattering applications in the mid-infrared spectral range

机译:Ho〜(3+)掺杂的PbWO_4晶体在中红外光谱范围内的激光和受激拉曼散射应用的光谱表征

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摘要

Spectroscopic characterization of Czochralski grown Ho(0.2%-4%):PbWO_4 crystals were performed over 0.2-8 μm spectral range. Polarized optical absorption, emission and kinetics of fluorescence of ~5I_8 <=> ~5I_7 holmium transitions were studied over 20-300 K temperature interval. The lifetime of ~5I_7 state in the Ho(0.5%):PbWO_4 crystal was measured to be 5.0 ms. The stimulated Raman scattering at 2.5 μm was studied under 1.7 and 2.0 μm excitation.
机译:Czochralski生长的Ho(0.2%-4%):PbWO_4晶体的光谱表征在0.2-8μm的光谱范围内进行。在20-300 K的温度区间内研究了〜5I_8 <=>〜5I_7 transition跃迁的偏振光吸收,发射和荧光动力学。 Ho(0.5%):PbWO_4晶体中〜5I_7状态的寿命经测量为5.0 ms。在1.7和2.0μm激发下研究了2.5μm处的受激拉曼散射。

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