首页> 外文期刊>Chinese Journal of Lasers. B >Light Intensity Distribution in Laser Interference Crystallization by Using a Phaser-shift Grating and Talbot Effect
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Light Intensity Distribution in Laser Interference Crystallization by Using a Phaser-shift Grating and Talbot Effect

机译:相移光栅和塔尔伯特效应在激光干涉结晶中的光强分布

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摘要

Light intensity distribution in laser interference crystallization with an imperfect phase-shift grating is calculated and compared with that by a perfect one. The effect of zeroorder defecated light on laser interference crystallization is analyzed in detail. The AFM images of a-Si:H film irradiated by a KrF excimer pulsed laser have confirmed our calculated results. Longitudinal periodicity of light intensity distribution is discussed and compared with the Talbot Effect.
机译:计算出具有不完美相移光栅的激光干涉结晶中的光强度分布,并将其与完美的光强度分布进行比较。详细分析了零阶偏转光对激光干涉结晶的影响。用KrF准分子脉冲激光辐照的a-Si:H薄膜的AFM图像证实了我们的计算结果。讨论了光强度分布的纵向周期性,并将其与塔尔博特效应进行了比较。

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