利用飞秒激光脉冲可以提高相变光记录的变换时间吗?

2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) Pub Date : 2003-06-27 DOI:10.1109/CLEOE.2003.1313819

J. Solís, S. M. Wiggins, C. Afonso

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摘要

非化学计量、富硒、非晶薄膜，如Sb/sub x/Ge/sub 1-x/ (x>0.85)，已被证明是开发超短激光脉冲驱动可重写相变光盘的有希望的候选材料。在本文中，我们研究了薄膜厚度、波长和脉冲时间对皮秒和飞秒激光脉冲下GeSb薄膜晶相和非晶相转变时间的联合影响，旨在寻找进一步改善转变时间的途径。

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Can the transformation time in phase change optical recording be improved by using femtosecond laser pulses?

Nonstoichiometric, Sb-rich, amorphous thin films, such as Sb/sub x/Ge/sub 1-x/ with x>0.85 have been demonstrated to be promising candidates for the development of ultrashort laser pulse driven rewritable phase change optical disks. In this work we have investigated the joint influence of the film thickness, wavelength and pulse duration on the transformation time between the crystalline and the amorphous phases of GeSb films under picosecond and femtosecond laser pulses aiming to find routes for further improvements of the transformation time.

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2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666)

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