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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Morphology of waveguide written by femtosecond laser in As2S3 glass
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Morphology of waveguide written by femtosecond laser in As2S3 glass

机译：飞秒激光在As2S3玻璃中写入的波导的形态

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摘要

Femtosecond laser writing in chalcogenide glasses offers great potentialities in photonic devices notably because of their high photo-sensitivity and their wide infrared transparency. We report longitudinal femtosecond inscriptions in As2S3 glass bulks. Refraction index profiles of the waveguides have been reconstructed on the basis of quantitative optical phase microscopy. This technique is able to recover not only the magnitude (including its sign) but also the spatial distribution of the refractive index variation. Experiments have been performed for fixed deposited energy and varying the translation speed. We show that this simple parameter strongly influences the shape of the obtained profile. Discussion on the complex evolution of the magnitude and radius of the modification is proposed.
机译：硫族化物玻璃中的飞秒激光写入在光子设备中具有巨大的潜力，特别是因为它们的高光敏性和宽广的红外透明度。我们报告了As2S3玻璃块中的纵向飞秒铭文。在定量光学相显微镜的基础上，已经重建了波导的折射率分布。该技术不仅能够恢复幅度（包括其符号），而且能够恢复折射率变化的空间分布。已经对固定的沉积能量和改变平移速度进行了实验。我们表明，此简单参数强烈影响获得的轮廓的形状。提出了修改量和半径的复杂演变的讨论。

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