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光学非线性激活函数器件的原理与应用 光学非线性激活函数器件的原理与应用
4区 物理与天体物理
Acta Optica Sinica Pub Date : 2023-01-01 DOI: 10.3788/aos230903
吕青鸿 Qinghong Lü, 马睿 Ma Rui, 肖莘宇 Xiao Shenyu, 俞维嘉 Yu Weijia, 刘知非 Liu Zhifei, 胡小永 Hu Xiaoyong, 龚旗煌 Gong Qihuang
{"title":"光学非线性激活函数器件的原理与应用","authors":"吕青鸿 Qinghong Lü, 马睿 Ma Rui, 肖莘宇 Xiao Shenyu, 俞维嘉 Yu Weijia, 刘知非 Liu Zhifei, 胡小永 Hu Xiaoyong, 龚旗煌 Gong Qihuang","doi":"10.3788/aos230903","DOIUrl":"https://doi.org/10.3788/aos230903","url":null,"abstract":"神经网络中的非线性激活层可以改变多层网络数据间的线性变换关系，使神经网络得以进行更复杂的学习。为实现处理速度更快，能耗更低的运算，近年来光子领域的神经网络逐渐受到重视，一系列光学非线性激活函数器件应运而生。本文综述了近年来在光学神经网络中引入非线性激活函数的工作，从光学非线性函数的物理机制及其在光学神经网络中的应用出发，对该领域的工作进行了回顾；总结并讨论了光学神经网络中光学非线性激活函数器件发展所面临的挑战及变化趋势，并基于此展望了其发展前景。","PeriodicalId":7103,"journal":{"name":"Acta Optica Sinica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135105670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
干涉型全光学光声光谱气体传感技术研究进展 干涉型全光学光声光谱气体传感技术研究进展
4区 物理与天体物理
Acta Optica Sinica Pub Date : 2023-01-01 DOI: 10.3788/aos230490
宫振峰 Gong Zhenfeng, 吴国杰 Wu Guojie, 幸佳伟 Xing Jiawei, 张馨予 Zhang Xinyu, 梅亮 Mei Liang
{"title":"干涉型全光学光声光谱气体传感技术研究进展","authors":"宫振峰 Gong Zhenfeng, 吴国杰 Wu Guojie, 幸佳伟 Xing Jiawei, 张馨予 Zhang Xinyu, 梅亮 Mei Liang","doi":"10.3788/aos230490","DOIUrl":"https://doi.org/10.3788/aos230490","url":null,"abstract":"光声光谱技术作为一种超高灵敏度的气体检测技术，声波传感器作为核心部件直接影响着系统的体积和检测极限。传统光声光谱技术使用电容式麦克风作为声波探测单元，但该器件的电学特性易受到高温环境和电磁干扰影响。在全光学光声光谱系统中，利用光学声波传感器对光声信号进行探测，避免了电子探测元件的使用，具有环境适应性强、灵敏度高等优点，且系统中全光学的设计可以极大地减小光声传感单元的体积。综述了基于干涉型光学声波传感器的全光学光声光谱气体传感技术的研究进展，并展望了其未来的发展方向。","PeriodicalId":7103,"journal":{"name":"Acta Optica Sinica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135105707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
激光辐照法快速制备Co/C粒子吸波材料 激光辐照法快速制备Co/C粒子吸波材料
4区 物理与天体物理
Acta Optica Sinica Pub Date : 2023-01-01 DOI: 10.3788/aos230807
王晓农 Wang Xiaonong, 李晓霞 Li Xiaoxia, 白秀军 Bai Xiujun, 刘琦 Liu Qi, 王斌 Wang Bin
{"title":"激光辐照法快速制备Co/C粒子吸波材料","authors":"王晓农 Wang Xiaonong, 李晓霞 Li Xiaoxia, 白秀军 Bai Xiujun, 刘琦 Liu Qi, 王斌 Wang Bin","doi":"10.3788/aos230807","DOIUrl":"https://doi.org/10.3788/aos230807","url":null,"abstract":"针对隐身和电磁防护技术对轻质、高效新型吸波材料的需求，以ZIF-67为前驱体，通过1064 nm激光辐照快速制备Co/C复合粒子。研究辐照功率对Co/C复合材料物相、微结构、电磁参数及其2~18 GHz波段吸波性能的影响。结果表明，激光辐照制备的Co纳米晶尺寸可稳定在5~20 nm，复合材料展现出丰富的Co-C界面，从而利于提升材料对电磁波的介电损耗能力。特别地，45 mW激光辐照获得的Co/C工作频段可覆盖完整的X波段（厚度为2.6 mm），最低反射损耗高达-53.9 dB，展现出优异的吸波能力。","PeriodicalId":7103,"journal":{"name":"Acta Optica Sinica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135105961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
高伯龙科学精神的实践与启示 高伯龙科学精神的实践与启示
4区 物理与天体物理
Acta Optica Sinica Pub Date : 2023-01-01 DOI: 10.3788/aos231396
罗晖 Luo Hui, 刘和明 Liu Heming, 谭中奇 Tan Zhongqi, 张斌 Zhang Bin
{"title":"高伯龙科学精神的实践与启示","authors":"罗晖 Luo Hui, 刘和明 Liu Heming, 谭中奇 Tan Zhongqi, 张斌 Zhang Bin","doi":"10.3788/aos231396","DOIUrl":"https://doi.org/10.3788/aos231396","url":null,"abstract":"高伯龙院士是我国著名的理论物理学家、激光物理专家、激光陀螺研制领域创始人，被称为“激光陀螺奠基人”，是我国国防科技战线“科技报国、创新为战”的杰出代表。本文简要回顾高伯龙院士带领团队数十年锚定目标、迎难而上，研制成功激光陀螺并开展工程应用的科研历程；阐述高院士科学精神的基本内涵，并结合我校激光陀螺技术创新团队近些年的科研工作实践，浅谈高伯龙科研精神对于新时代科技工作者开展科研工作，尤其是进行有组织的科研等的启示，以此共勉。","PeriodicalId":7103,"journal":{"name":"Acta Optica Sinica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135151869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
悬浮粒子的光学散射相关测量与分析方法 悬浮粒子的光学散射相关测量与分析方法
4区 物理与天体物理
Acta Optica Sinica Pub Date : 2023-01-01 DOI: 10.3788/aos231206
曾楠 Zeng Nan, 杨立坤 Yang Likun
{"title":"悬浮粒子的光学散射相关测量与分析方法","authors":"曾楠 Zeng Nan, 杨立坤 Yang Likun","doi":"10.3788/aos231206","DOIUrl":"https://doi.org/10.3788/aos231206","url":null,"abstract":"从技术上获取悬浮粒子与光相互作用的指标体系，从理论上模拟悬浮粒子与光相互作用的过程和机制，进而借助光散射技术对悬浮粒子的微物理属性进行定性定量的识别、区分和反演，是相关领域研究者的关注焦点。光学测量中的偏振散射分析，不仅能实现原有粒子散射过程的检测，还能借助偏振矢量分析有效扩展实验数据的信息维度，从而为不同粒子类别和属性差异的细化识别提供可能。本文针对悬浮粒子的测量与分析问题，从测量技术、计算理论、实测数据分析几个方面对光散射相关进展进行了综述，并重点关注了基于粒子散射偏振分析提取的悬浮粒子研究进展。","PeriodicalId":7103,"journal":{"name":"Acta Optica Sinica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135151871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
基于矢量光场的等离激元模式调控 基于矢量光场的等离激元模式调控
4区 物理与天体物理
Acta Optica Sinica Pub Date : 2023-01-01 DOI: 10.3788/aos230854
肖发俊 Xiao Fajun, 赵建林 Zhao Jianlin
{"title":"基于矢量光场的等离激元模式调控","authors":"肖发俊 Xiao Fajun, 赵建林 Zhao Jianlin","doi":"10.3788/aos230854","DOIUrl":"https://doi.org/10.3788/aos230854","url":null,"abstract":"表面等离激元因其极强的束缚光场能力，成为亚波长尺度下研究光与物质相互作用的理想平台，也是构建未来小型化、低功耗、高便携光电子器件的核心单元。更多维度、更加精确和灵活地调控等离激元的模式性质对推动其基础和应用研究至关重要。近年来，光场调控技术的发展，拓展了人们利用光场的维度，也赋予光场更强大的操控等离激元模式的能力。本文简述了矢量光场与等离激元模式作用的基本理论与物理机制，回顾了近年来矢量光场调控等离激元模式激发、耦合和远场辐射的研究进展，并介绍了相关研究在增强光谱、纳米颗粒光捕获、纳米位移传感等方面的应用。","PeriodicalId":7103,"journal":{"name":"Acta Optica Sinica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135151872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
多维度超表面光场调控和全息显示技术 多维度超表面光场调控和全息显示技术
4区 物理与天体物理
Acta Optica Sinica Pub Date : 2023-01-01 DOI: 10.3788/aos230743
李昕 Li Xin, 张时飞 Zhang Shifei, 张晓彤 Zhang Xiaotong, 杨静育 Yang Jingyu, 郑龙昊 Zheng Longhao, 黄玲玲 Huang Lingling, 王涌天 Wang Yongtian
{"title":"多维度超表面光场调控和全息显示技术","authors":"李昕 Li Xin, 张时飞 Zhang Shifei, 张晓彤 Zhang Xiaotong, 杨静育 Yang Jingyu, 郑龙昊 Zheng Longhao, 黄玲玲 Huang Lingling, 王涌天 Wang Yongtian","doi":"10.3788/aos230743","DOIUrl":"https://doi.org/10.3788/aos230743","url":null,"abstract":"超表面器件的亚波长单元结构能够与光产生强烈的相互作用。通过对超原子的优化设计，能够对光场的各个参量进行多维度调控，为包括全息显示在内的众多应用光学领域带来全新的解决思路与方案。针对全息显示中核心光电调制器件能力有限的问题，发挥超表面器件超强的光场控制能力，利用多维度的复用调控，实现对信息通道数量的扩展，提升显示质量与效果。随着对超表面光场调控机制与复用技术的深入研究，超表面自身与相关应用领域都得到了长足发展。本文围绕超表面进行论述，着重介绍本课题组在多维度超表面的光场调控及全息显示中的研究进展。","PeriodicalId":7103,"journal":{"name":"Acta Optica Sinica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135159366","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
双层花状光学涡旋晶格产生及特性研究 双层花状光学涡旋晶格产生及特性研究
IF 1.6 4区 物理与天体物理
Acta Optica Sinica Pub Date : 2023-01-01 DOI: 10.3788/aos220919
韩. Han Bing, 樊海豪 Fan Haihao, 凡梦然 Fan Mengran, 景晓楠 Jing Xiaonan, 温冰艳 Wen Bingyan, 李新忠 Li Xinzhong
{"title":"双层花状光学涡旋晶格产生及特性研究","authors":"韩. Han Bing, 樊海豪 Fan Haihao, 凡梦然 Fan Mengran, 景晓楠 Jing Xiaonan, 温冰艳 Wen Bingyan, 李新忠 Li Xinzhong","doi":"10.3788/aos220919","DOIUrl":"https://doi.org/10.3788/aos220919","url":null,"abstract":"","PeriodicalId":7103,"journal":{"name":"Acta Optica Sinica","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70391554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
匹配干涉结构对远程光纤传感系统噪声的影响 匹配干涉结构对远程光纤传感系统噪声的影响
IF 1.6 4区 物理与天体物理
Acta Optica Sinica Pub Date : 2023-01-01 DOI: 10.3788/aos221071
唐启永 Tang Qiyong, 曹春燕 Cao Chunyan, 夏兴宇 Xia Xingyu, 刘国彬 Liu Guobin, 赵凡 Zhao Fan, 盛靖超 Sheng Jingchao, 郭金溢 Guo Jinyi
{"title":"匹配干涉结构对远程光纤传感系统噪声的影响","authors":"唐启永 Tang Qiyong, 曹春燕 Cao Chunyan, 夏兴宇 Xia Xingyu, 刘国彬 Liu Guobin, 赵凡 Zhao Fan, 盛靖超 Sheng Jingchao, 郭金溢 Guo Jinyi","doi":"10.3788/aos221071","DOIUrl":"https://doi.org/10.3788/aos221071","url":null,"abstract":"","PeriodicalId":7103,"journal":{"name":"Acta Optica Sinica","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70391567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
高峰值功率掺Yb3+石英光纤脉冲单频MOPA 高峰值功率掺Yb3+石英光纤脉冲单频MOPA
IF 1.6 4区 物理与天体物理
Acta Optica Sinica Pub Date : 2023-01-01 DOI: 10.3788/aos221171
石争 Shi Zheng, 盛泉 Sheng Quan, 史朝督 Shi Chaodu, 付士杰 Fu Shijie, 邓勋 Deng Xun, 田浩 Tian Hao, 史伟 Shi Wei, 姚建铨 Yao Jianquan
{"title":"高峰值功率掺Yb3+石英光纤脉冲单频MOPA","authors":"石争 Shi Zheng, 盛泉 Sheng Quan, 史朝督 Shi Chaodu, 付士杰 Fu Shijie, 邓勋 Deng Xun, 田浩 Tian Hao, 史伟 Shi Wei, 姚建铨 Yao Jianquan","doi":"10.3788/aos221171","DOIUrl":"https://doi.org/10.3788/aos221171","url":null,"abstract":"","PeriodicalId":7103,"journal":{"name":"Acta Optica Sinica","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70392270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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