输出性能可调控的随机激光器的研究进展  

Research progress of random lasers with tunable output performances

作　　者：卞耀兴 沈会会 刘大禾[1] 高亚婧 王兆娜[1] BIAN YaoXing;SHEN HuiHui;LIU DaHe;GAO YaJing;WANG ZhaoNa(Applied Optics Beijing Area Major Laboratory,Department of Physics,Beijing Normal University,Beijing 100875,China)

机构地区：[1]北京师范大学物理学系,应用光学北京市重点实验室,北京100875

出　　处：《中国科学：物理学、力学、天文学》2022年第7期169-186,共18页Scientia Sinica Physica,Mechanica & Astronomica

基　　金：国家自然科学基金(编号:92150109,61975018)资助项目。

摘　　要：随机激光器因其具有较低的空间相干性、设计灵活、结构简单等优势在无散斑成像、生物传感、信息安全、光电器件设计等领域有很好的应用前景.近年来,研究者越来越重视对随机激光器输出性能的调控,以进一步满足其在不同领域的实际应用需要.因此,深入理解随机激光的工作机制,总结随机激光光场的调控方法,对该领域的发展具有重要的指导意义.本文回顾了随机激光器的发展历程,讨论了随机激光器的工作机制,系统地综述了输出性能可调控的随机激光器的研究进展.最后提出了随机激光器在不同领域的应用前景和挑战,并对随机激光的性能调控和应用进行了展望.Random lasers have broad potential applications in many fields of speckle-free imaging,biological sensing,information security,and optoelectronics due to their unique characteristics of low spatial coherence,flexible design,and simple structure.In recent years,researchers have paid more attention to regulating the output performances of random lasers to further satisfy their practical application requirements in different fields.Therefore,understanding the working mechanism of random lasers and summarizing the methods of regulating the random lasing optical field have important guiding significance for promoting the random laser.Here,we review the development of random lasers,focusing on the working mechanism of random lasers.The research progress on tunable output performances is then systematically reviewed.Finally,we give the prospects and challenges in random lasers.

关 键 词：随机激光 多重散射 局域表面等离激元共振 输出性能调控 

分 类 号：TN248[电子电信—物理电子学]