Accumulated Photon Echo Spectroscopy of Ordered (CaF2) and Disordered (CaF2-YF3) crystals with Nd3+ ions

K. W. Steeg, R. Reeves, V. Fedorov, A. Karasik, T. Basiev, R. Powell
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Abstract

Numerous experimental investigations of homogeneous line broadening (Γh) of RE3+ ions in crystals and glasses in frequency and time domain [1] have shown that Γh for glasses exceed those for crystals by more than one order of magnitude at low temperatures (T) for the same ions and transitions. Discrepancies between theory and experimental results make it difficult to determine an influence of host disordering on the Γh in a wide temperature range. In this work we measured and compared Γh, values for ordered CaF2 and disordered CaF2-YF3 crystals doped with Nd3+ ions.
含有Nd3+离子的有序(CaF2)和无序(CaF2- yf3)晶体的累积光子回波光谱
对晶体和玻璃中RE3+离子在频域和时域上的均匀谱展宽(Γh)的大量实验研究[1]表明,对于相同的离子和跃迁,在低温(T)下,玻璃中的Γh比晶体中的要高出一个数量级以上。由于理论和实验结果的差异,很难确定在较宽的温度范围内宿主无序化对Γh的影响。在这项工作中,我们测量并比较了Γh,掺Nd3+离子的有序CaF2和无序CaF2- yf3晶体的值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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