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玻璃多维光存储技术研究进展 玻璃多维光存储技术研究进展
4区 物理与天体物理
CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG Pub Date : 2023-01-01 DOI: 10.3788/cjl230693
吴佳佳 Wu Jiajia, 高凯 Gao Kai, 陈晨端 Chen Chenduan, 王志强 Wang Zhiqiang, 邱建荣 Qiu Jianrong, 谭德志 Tan Dezhi
{"title":"玻璃多维光存储技术研究进展","authors":"吴佳佳 Wu Jiajia, 高凯 Gao Kai, 陈晨端 Chen Chenduan, 王志强 Wang Zhiqiang, 邱建荣 Qiu Jianrong, 谭德志 Tan Dezhi","doi":"10.3788/cjl230693","DOIUrl":"https://doi.org/10.3788/cjl230693","url":null,"abstract":"大数据时代海量数据的产生和积累对存储性能提出了更高的要求，因此实现低能耗、长期安全、高效的数据存储是数字化社会建设的当务之急。聚焦以玻璃作为存储介质的光存储技术，概述了该技术的研究进展和维度复用情况，并对其面临","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"2014 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135105332","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
基于光学纳米结构的物理型信息安全技术 基于光学纳米结构的物理型信息安全技术
4区 物理与天体物理
CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG Pub Date : 2023-01-01 DOI: 10.3788/cjl230750
薛建材 Xue Jiancai, 周长达 Zhou Changda, 何国立 He Guoli, 李锶阳 Li Siyang, 周张凯 Zhou Zhangkai
{"title":"基于光学纳米结构的物理型信息安全技术","authors":"薛建材 Xue Jiancai, 周长达 Zhou Changda, 何国立 He Guoli, 李锶阳 Li Siyang, 周张凯 Zhou Zhangkai","doi":"10.3788/cjl230750","DOIUrl":"https://doi.org/10.3788/cjl230750","url":null,"abstract":"信息安全对人类社会极为重要，关系到个人和各类组织的财产与安全，因此一直以来受到人们的极大关注。其中，物理型信息安全技术因其物理载体和实现原理的多样性和隐匿性而具有极高的安全性。当前，通过引入特征尺寸小、功能丰富的光学纳米结构，物理型信息安全技术借助纳米尺度光场调控的新方法和新实践，在信息容量、安全性和功能性等方面都得到了极大提升。为厘清该领域的发展脉络与方向，本文将回顾近年来基于光学纳米结构的物理型信息安全技术的新发展，介绍该技术的基本原理、实现方法与优势特点，重点阐述其中的基于表面结构色图像、全息和轨道角动量的信息安全技术。此类信息安全技术不仅对于军用、民用机密信息防护具有重要意义，而且在商标防伪和身份认证等领域也有着巨大的应用潜能。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135105333","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
Inconel 690局部干法水下激光焊接接头组织及性能研究 Inconel 690局部干法水下激光焊接接头组织及性能研究
4区 物理与天体物理
CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG Pub Date : 2023-01-01 DOI: 10.3788/cjl221294
朱兆剑 Zhu Zhaojian, 韩柯 Han Ke, 李洪亮 Li Hongliang, 朱强 Zhu Qiang
{"title":"Inconel 690局部干法水下激光焊接接头组织及性能研究","authors":"朱兆剑 Zhu Zhaojian, 韩柯 Han Ke, 李洪亮 Li Hongliang, 朱强 Zhu Qiang","doi":"10.3788/cjl221294","DOIUrl":"https://doi.org/10.3788/cjl221294","url":null,"abstract":"采用气体辅助排水装置对Inconel 690合金进行水下局部干法激光焊接，研究了热输入和离焦量对焊缝成形、横截面几何特征、对接接头缺陷和力学性能的影响，从而实现工艺参数优化。结果表明：热输入对焊缝的宽度影响较大，熔池的Marangoni流动和金属蒸气的喷发导致顶部区域宽度扩大。焊缝的结晶形态由平面状经过胞状转变为树枝状。随着焊接热输入的减小，焊缝晶粒尺寸减小，力学性能则不断增强。焊缝的宽度随离焦量的增加而改变，离焦量为零时，接头力学性能最佳。水下和陆上焊接获得的接头显微组织均由胞状晶、柱状晶和树枝晶组成。陆上焊接接头枝晶间存在Cr和Ni元素偏析现象。而水下焊接过程中水的快速冷却作用有助于改善接头枝晶间的合金偏析程度，但恶化了合金元素晶内偏析。在最佳焊接工艺参数下，水下焊接接头的抗拉强度和陆上焊接接头相似，冲击韧性亦达到陆上焊接接头的90%，显微硬度则高于陆上焊接接头。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135106097","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
自研高掺Nd石英单模光纤实现890 nm及910 nm单频激光 自研高掺Nd石英单模光纤实现890 nm及910 nm单频激光
4区 物理与天体物理
CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG Pub Date : 2023-01-01 DOI: 10.3788/cjl230664
王亚飞 Wang Yafei, 陈应刚 Chen Yinggang, 王世凯 Wang Shikai, 阳求柏 Yang Qiubai, 孙焰 Sun Yan, 王孟 Wang Meng, 张磊 Zhang Lei, 王欣 Wang Xin, 温磊 Wen Lei, 冯素雅 Feng Suya, 于春雷 Yu Chunlei, 胡丽丽 Hu Lili, SemenovSergey Lvovich S Emenovsergey Lvovich
{"title":"自研高掺Nd石英单模光纤实现890 nm及910 nm单频激光","authors":"王亚飞 Wang Yafei, 陈应刚 Chen Yinggang, 王世凯 Wang Shikai, 阳求柏 Yang Qiubai, 孙焰 Sun Yan, 王孟 Wang Meng, 张磊 Zhang Lei, 王欣 Wang Xin, 温磊 Wen Lei, 冯素雅 Feng Suya, 于春雷 Yu Chunlei, 胡丽丽 Hu Lili, SemenovSergey Lvovich S Emenovsergey Lvovich","doi":"10.3788/cjl230664","DOIUrl":"https://doi.org/10.3788/cjl230664","url":null,"abstract":"","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135106114","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
飞秒激光脉冲焊接透明微晶玻璃的实验研究 飞秒激光脉冲焊接透明微晶玻璃的实验研究
4区 物理与天体物理
CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG Pub Date : 2023-01-01 DOI: 10.3788/cjl221445
陈观华 Chen Guanhua, 肖蒲庐 Xiao Pulu, 张翔 Zhang Xiang, 陈宇 Chen Yu, 袁孝 Yuan Xiao
{"title":"飞秒激光脉冲焊接透明微晶玻璃的实验研究","authors":"陈观华 Chen Guanhua, 肖蒲庐 Xiao Pulu, 张翔 Zhang Xiang, 陈宇 Chen Yu, 袁孝 Yuan Xiao","doi":"10.3788/cjl221445","DOIUrl":"https://doi.org/10.3788/cjl221445","url":null,"abstract":"利用飞秒激光脉冲开展了零热膨胀系数Li2O-Al2O3-SiO2（LAS）透明微晶玻璃的非光学接触式焊接研究，分析了不同能量飞秒激光焊接LAS透明微晶玻璃的焊缝形貌和剪切强度，并对焊接后LAS透明微晶玻璃的透过率进行了测量。在激光脉冲宽度为300 fs、波长为1030 nm、单脉冲能量为3.0 μJ时，焊接后LAS透明微晶玻璃的剪切强度高达23.51 MPa，光学透过率相对于原始LAS透明微晶玻璃下降了5%。随着单脉冲能量的增加，LAS透明微晶玻璃的光学透过率发生不同程度的下降，改性区域逐渐远离焦点，向激光源方向移动，使得分界面处的焊缝宽度先增大至10.7 μm而后逐渐减小。X射线衍射分析结果表明，在该激光参数下实现了LAS透明微晶玻璃焊接而未产生新的晶相。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"157 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135104402","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
y向搭接率对铝合金表面复合漆层激光清洗的影响 y向搭接率对铝合金表面复合漆层激光清洗的影响
4区 物理与天体物理
CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG Pub Date : 2023-01-01 DOI: 10.3788/cjl221339
张天刚 Zhang Tiangang, 段俊杰 Duan Junjie, 刘天翔 Liu Tianxiang, 侯晓云 Hou Xiaoyun, 张志强 Zhang Zhiqiang
{"title":"y向搭接率对铝合金表面复合漆层激光清洗的影响","authors":"张天刚 Zhang Tiangang, 段俊杰 Duan Junjie, 刘天翔 Liu Tianxiang, 侯晓云 Hou Xiaoyun, 张志强 Zhang Zhiqiang","doi":"10.3788/cjl221339","DOIUrl":"https://doi.org/10.3788/cjl221339","url":null,"abstract":"采用纳秒脉冲光纤激光器对2A12铝合金基材表面丙烯酸聚氨酯复合漆层进行了激光清洗实验，研究了不同y向搭接率（ηy）对除漆效果的影响。结果表明，当ηy为0和20%时，面漆全部去除，底漆部分去除；当ηy=40%时，仅少量底漆残留，大部分氧化膜被破坏，基材显露；当ηy=60%时，复合漆层全部去除，基材烧损。研究发现，随着ηy值逐渐增大，清洗表面烧蚀现象明显增加，漆层烧蚀气化将导致面漆着色剂和功能氧化粒子脱漆沉积于烧蚀凹坑表面；清洗表面残余漆层形成了凹坑-间隔-凹坑的清洗特征，表明清洗过程中烧蚀-等离子冲击（屏蔽）-烧蚀交替进行，烧蚀与等离子冲击作用均会对清洗表面产生热影响，导致残余漆层丙烯酸树脂链段自由基发生位置重排，同时诱发残余漆层产生热应力除漆机制；激光等离子冲击和热应力破坏是导致清洗表面残余漆层碎裂分层或物理剥离的主要原因。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135104972","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
强场太赫兹脉冲波形和频谱的单发测量技术 强场太赫兹脉冲波形和频谱的单发测量技术
4区 物理与天体物理
CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG Pub Date : 2023-01-01 DOI: 10.3788/cjl230790
雷弘毅 Lei Hongyi, 孙方正 Sun Fangzheng, 陈浩 Chen Hao, 卫妍玉 Wei Yanyu, 张保龙 Zhang Baolong, 廖国前 Liao Guoqian, 李玉同 Li Yutong
{"title":"强场太赫兹脉冲波形和频谱的单发测量技术","authors":"雷弘毅 Lei Hongyi, 孙方正 Sun Fangzheng, 陈浩 Chen Hao, 卫妍玉 Wei Yanyu, 张保龙 Zhang Baolong, 廖国前 Liao Guoqian, 李玉同 Li Yutong","doi":"10.3788/cjl230790","DOIUrl":"https://doi.org/10.3788/cjl230790","url":null,"abstract":"基于超快超强激光的强场太赫兹辐射源通常具有较低的重复频率，此类辐射源的表征和应用对太赫兹时域波形和频谱测量技术提出了新要求。介绍了中国科学院物理研究所光物理重点实验室发展的几种针对太赫兹脉冲时域波形和频谱的单发测量系统，重点讨论了每种方案的设计原理和特点。这些单发探测方案适用于低重复频率的强场太赫兹脉冲源，有助于准确表征太赫兹辐射性质、深入理解太赫兹产生机制、拓展强场太赫兹应用范围。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135105300","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
超表面偏振信息编码 超表面偏振信息编码
4区 物理与天体物理
CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG Pub Date : 2023-01-01 DOI: 10.3788/cjl230724
胡孟霞 Hu Mengxia, 王志强 Wang Zhiqiang, 李向平 Li Xiangping, 邓子岚 Deng Zilan
{"title":"超表面偏振信息编码","authors":"胡孟霞 Hu Mengxia, 王志强 Wang Zhiqiang, 李向平 Li Xiangping, 邓子岚 Deng Zilan","doi":"10.3788/cjl230724","DOIUrl":"https://doi.org/10.3788/cjl230724","url":null,"abstract":"超表面在光偏振调控方面具有卓越的能力，利用超表面结构的偏振控制实现信息编码与加密成为一种新兴的光学编码技术。本文旨在介绍超表面偏振光学及其在信息加密领域的最新进展。首先介绍对光束偏振态进行整体调控的各类超表面偏振光学元件，包括超表面波片、偏振器和偏振分束器，强调了超表面在偏振操控方面的卓越性能；接着深入介绍基于不同微型超表面偏振光学元件进行的像素化偏振信息编码，包括对近场偏振态空间分布进行逐点编码的马吕斯超表面，以及对远场偏振态进行空间编码的偏振全息和矢量全息超表面；然后阐述近场与远场像素化偏振空间编码超表面在信息隐藏与加密领域的应用示范；最后进行简要总结，并展望超表面偏振信息编码技术的未来发展趋势与应用潜力。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135105315","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
激光双光镊在单分子生物物理中的研究进展 激光双光镊在单分子生物物理中的研究进展
4区 物理与天体物理
CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG Pub Date : 2023-01-01 DOI: 10.3788/cjl221542
巩凡 Gong Fan, 任煜轩 Ren Yuxuan
{"title":"激光双光镊在单分子生物物理中的研究进展","authors":"巩凡 Gong Fan, 任煜轩 Ren Yuxuan","doi":"10.3788/cjl221542","DOIUrl":"https://doi.org/10.3788/cjl221542","url":null,"abstract":"光镊采用聚焦的激光束束缚微米、纳米级的粒子，具有亚皮牛级的力分辨率和亚毫秒级的时间响应，在单分子生物物理中具有广泛的应用。通过化学耦链将生物大分子连接到高分子微球上，光镊可以测量大分子的伸长以及受力，进而研究DNA‐蛋白质相互作用、蛋白质折叠及分子马达机械化学性质等动态过程。简要介绍光镊的基本原理和常见的单分子光镊几何构型，并以双光镊为例，介绍如何设计和搭建光镊设备、所涉及的技术原理、稳定性与降噪处理方法以及分辨率测试方法。以国家蛋白质科学研究（上海）设施的双光镊实验装置为例，论述双光镊在单分子生物物理中的应用及进展。最后，对单分子光镊技术的发展前景作出展望。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135105690","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
基于高分辨光声显微成像的肝癌微血管特征分析 基于高分辨光声显微成像的肝癌微血管特征分析
4区 物理与天体物理
CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG Pub Date : 2023-01-01 DOI: 10.3788/cjl230615
孙彤 Sun Tong, 黄国家 Huang Guojia, 张振辉 Zhang Zhenhui
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