材料科学
极化
铌酸锂
飞秒
光学
铁电性
激光器
光纤激光器
光电子学
波长
物理
电介质
作者
Xin Chen,Xin Chen,Shan Liu,Dawei Liu,Boon Wan Tan,Yi Zhang,Huan Chen,Yan Sheng,Junli Wang
出处
期刊:Applied Optics
[The Optical Society]
日期:2023-07-19
卷期号:62 (23): 6212-6212
被引量:1
摘要
In this study, we demonstrate the optical induction of ferroelectric domain inversion on the -z surface of lithium niobate crystals using a 1035 nm femtosecond fiber laser. We investigate the effects of laser power and focusing parameters on domain morphology. The results revealed that domains exhibit an irregular random distribution at low power, whereas regularly arranged domains were formed near the crystal damage threshold. Furthermore, with sufficiently high power, lens focusing enables the fabrication of uniformly sized domains exceeding 100 µm. The results suggest potential applications for controlling domain morphology and the duty cycle, and fabricating ferroelectric functional devices.
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