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飞秒激光加工铌酸锂晶体:原理与应用
作者姓名:Zhou Chao  Ma Jia-Nan  Xu Xiao-Yi  Xu Chuan  Zhang Yong  Zhu Shi-Ning  Xiao Min
摘    要:由于具有超短的脉冲宽度和极高的峰值强度,飞秒激光微加工是一种有效的材料加工方法, 已广泛应用于光子集成器件的加工。铌酸锂晶体具有优异的电光、非线性光学和压电特性,是集成 光学和导波光学中常见的材料。本文综述了飞秒激光对铌酸锂晶体的处理,重点介绍了飞秒激光加 工的物理原理及其制备的铌酸锂基光子器件的最新进展。飞秒激光技术使铌酸锂晶体在微纳光子学 领域具有广阔的应用前景。

关 键 词:飞秒激光    铌酸锂    波导    非线性光子晶体    激光加工

Femtosecond laser processing of lithium niobate crystal: principle and applications
Zhou Chao,Ma Jia-Nan,Xu Xiao-Yi,Xu Chuan,Zhang Yong,Zhu Shi-Ning,Xiao Min.Femtosecond laser processing of lithium niobate crystal: principle and applications[J].Progress In Physics,2020,40(3):69.
Authors:Zhou Chao  Ma Jia-Nan  Xu Xiao-Yi  Xu Chuan  Zhang Yong  Zhu Shi-Ning  Xiao Min
Abstract:Femtosecond (fs)-laser micromachining is an effective material processing method because of its ultrashort pulse width and extremely high peak intensity. Fs-laser micromachining technology has been widely used to process photonic integrated devices. Lithium niobate (LN) crystal is a common material in integrated and guided-wave optics because of its excellent electro-optic, nonlinear optical, and piezoelectric properties. This review describes fs-laser processing of LN crystal, mainly focusing on the physical principle of fs-laser processing and the recent advances of LN-based photonic devices. Fs-laser technology makes LN crystal a promising platform in the field of micro-nano photonics.
Keywords:femtosecond laser    lithium niobate    waveguides    nonlinear photonic crystals    laserprocessing
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