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首页> 外文期刊>Japanese Journal of Applied Physics. Part 2, Letters & Express Letters >Second Harmonic Generation of Thermally Poled ZnCl_2-B_2O_3-TeO_2 Glasses and Its Mechanism
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Second Harmonic Generation of Thermally Poled ZnCl_2-B_2O_3-TeO_2 Glasses and Its Mechanism

机译:ZnCl_2-B_2O_3-TeO_2热极化玻璃的二次谐波产生及其机理

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摘要

Second harmonic generation (SHG) was observed from halide, in particular, chlorine-containing glasses. The magnitude of SHG increased with increasing ZnCl_2 concentration and poling time. Although the mechanism of SHG is still controversial, the deficiency of cations near the anode surface was detected. However, in this glass system, the polishing of the anode side showed no effect on SHG. However, the polishing of the cathode side significantly decreased the magnitude of SHG. Therefore, the SHG mechanism in this glass system is made evident for the first time in which the movement of anions resulting in an anion-deficient layer near the cathode side is able to cause SHG.
机译:从卤化物,特别是含氯玻璃中观察到二次谐波(SHG)。 SHG的量级随ZnCl_2浓度和极化时间的增加而增加。尽管SHG的机制仍存在争议,但可以检测到阳极表面附近的阳离子不足。但是,在这种玻璃系统中,阳极侧的抛光对SHG没有影响。然而,阴极侧的抛光显着降低了SHG的幅度。因此,该玻璃系统中的SHG机理首次变得明显,其中阴离子的移动导致在阴极侧附近的阴离子缺陷层能够引起SHG。

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