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首页> 外文期刊>Optics Letters >Three-dimensional photoprecipitation of oriented LiNbO_(3)-like crystals in silica-based glass with femtosecond laser irradiation
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Three-dimensional photoprecipitation of oriented LiNbO_(3)-like crystals in silica-based glass with femtosecond laser irradiation

机译:飞秒激光辐照二氧化硅基玻璃中取向的LiNbO_(3)样晶体的三维光沉淀

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摘要

We demonstrate crystals (LiNbO_(3)-like) that were space-selectively nucleated and grown in the bulk of silica-based glass by femtosecond laser irradiation at a high repetition rate (typ. 300 kHz). Oriented crystals with their polar axis mostly aligned with or perpendicular to the laser scanning direction have been fabricated by manipulation of the temperature gradient in adjusting the laser parameters. The mechanism for the orientation of femtosecond laser-induced crystallization is briefly discussed.
机译:我们演示了晶体(LiNbO_(3)一样),这些晶体通过飞秒激光辐照以高重复频率(典型值为300 kHz)进行空间选择性成核,并在大部分二氧化硅基玻璃中生长。通过调节激光参数中的温度梯度,可以制造出其极性轴基本与激光扫描方向对准或垂直的定向晶体。简要讨论了飞秒激光诱导结晶取向的机理。

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