Van-Vleck顺磁体的光学超辐射

Feofilov Symposium on Spectropscopy of Crystals Activated by Rare-Earth and Transition Metal Ions Pub Date : 2002-07-12 DOI:10.1117/12.475339

A. Kalachev, V. A. Zuikov, V. Samartsev, A. Shegeda

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引用次数: 0

摘要

本文描述了LaF3:Pr3+晶体双色光学超辐亮度(SR)的实验研究。在液氦温度下对3P0- 3H4(0)跃迁进行了光激发。当抽运10ns脉冲的功率大于一定阈值时，谐振介质在3P0-3H4(0)跃迁方向发射一个持续时间为8- 10ns的SR光脉冲，该脉冲方向相对于抽运脉冲延迟了12- 15ns。当抽运脉冲的峰值功率增加到40 kW时，3P0-3H6(1)的跃迁也出现了SR脉冲。该脉冲的延时时间约为30ns。因此，在所用晶体中观察到双色SR。

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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Optical superradiance in Van-Vleck paramagnets

The paper describes experimental investigations of two-color optical super-radiance (SR) in LaF3:Pr3+ crystal. Optical excitation was made on the transition 3P0- 3H4(0) at liquid helium temperature. When the power of the pumping 10ns-pulse was higher than a certain threshold, the resonant medium emitted an optical SR pulse on 3P0-3H4(0) transition with a duration of 8-10 ns in the direction of the pumping pulse delayed in time by 12-15 ns with respect to the pumping pulse. When the peak power of the pumping pulse increases up to 40 kW, an SR pulse was also observed for the 3P0-3H6(1) transition. The delay time of this pulse was about 30 ns. Thus, the two-color SR in the employed crystal was observed.

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Feofilov Symposium on Spectropscopy of Crystals Activated by Rare-Earth and Transition Metal Ions

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