飞秒激光加工铌酸锂晶体：原理与应用（英文）

发布时间：2021-04-10 18:07

　　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。 

【文章来源】：物理学进展. 2020,40(03)北大核心CSCD

【文章页数】：15 页

【文章目录】：
CONTENTS
I.INTRODUCTION
II.MECHANISMS OF FS-LASER PROCESSING IN LN CRYSTALS
    A.Ultrafast laser-induced damage in LN crystal
        1. Surface ablation
        2.Microexplosions
    B.Refractive index changes induced by fs-laser irradiation
    C.Spot distortion and aberration compensation technology in LN
III.LN-BASED PHOTONIC DEVICES PROCESSED BY AN FS LASER
    A.LN-based waveguide structures
        1. Type-I waveguides
        2. Type-II waveguides
        3. Type-III waveguides
    B.Photonic devices based on waveguide structures
        1.Integrated LN electro-optic modulators
        2.Frequency converters in LN waveguides
    C.Photonic crystals
    D.High-Q-factor LN-based microresonators
IV.LN NONLINEAR PHOTONIC CRYSTALS
V.CONCLUSION



本文编号：3130097