中国光学十大进展:可调谐微透镜阵列的研究进展(特邀)

China's Top 10 Optical Breakthroughs:Research Progress of Tunable Microlens Arrays(Invited)

微透镜阵列作为一种光学元件,凭借高分辨率、无限景深的特性可以实现高质量成像,在光通信、光传感等领域也有重要应用。近年来,光电子学、微纳米技术、智能材料等学科的发展促进了对微透镜阵列进行调谐的相关研究,使得微透镜阵列突破了固定焦距的缺陷,大大提高了器件的灵活性。总结微透镜的形状调谐、折射率调谐和超透镜的调谐3个方面的最新研究进展,详细地阐述微透镜阵列的调谐原理和过程,探讨各种调谐方式的优势和不足之处,并介绍了可调谐微透镜阵列的应用前景,最后展望了可调谐微透镜阵列未来的发展趋势。

Microlens arrays,as an optical element,can realize high-quality imaging because of their high resolution and infinite depth of field.Additionally,they exhibit important applications in the fields of optical communication and optical sensing.In recent years,advancements in optoelectronics,micro and nanotechnology,smart materials,and other disciplines have spurred research on the tunability of microlens arrays,enabling microlens arrays to overcome the defects of fixed focal lengths.Furthermore,tunable microlens arrays greatly improve the flexibility of devices.This paper summarizes the recent research progress in three aspects,including shape tuning of microlenses,refractive index tuning,and superlens tuning;describes the principles and methodologies involved in tuning microlens arrays in detail;discusses the advantages and drawbacks of various tuning methods;introduces the application potential of tunable microlens arrays;and finally envisages their future development trends.