索鹏 Suo Peng, 王晨 Wang Chen, 李高芳 Li Gaofang, 孙凯文 Sun Kaiwen, 张文杰 Zhang Wenjie, 林贤 Lin Xian, 黄志明 Huang Zhiming, 马国宏 Ma Guohong
{"title":"强太赫兹脉冲产生及硒化镓晶体非线性效应研究","authors":"索鹏 Suo Peng, 王晨 Wang Chen, 李高芳 Li Gaofang, 孙凯文 Sun Kaiwen, 张文杰 Zhang Wenjie, 林贤 Lin Xian, 黄志明 Huang Zhiming, 马国宏 Ma Guohong","doi":"10.3788/cjl230798","DOIUrl":"https://doi.org/10.3788/cjl230798","url":null,"abstract":"为探索单周期或亚周期的强场太赫兹脉冲抽运下各种材料的非线性光学响应，基于铌酸锂（LiNbO3）晶体，采用飞秒脉冲倾斜波前技术，获得了单脉冲能量为2.6 μJ、峰值场强为632 kV/cm的强太赫兹脉冲输出，并在该辐射源的基础上搭建了太赫兹抽运-光探测系统。利用该系统研究了硒化镓（GaSe）晶体的非线性光学响应，观测到亚周期的太赫兹脉冲诱导的光学双折射，其引起的相位变化与普克尔斯效应和克尔效应相关。研究结果为强场太赫兹抽运下介质的非线性效应分析提供了思路，为材料的电光系数和非线性折射率系数的测定提供了借鉴。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"96 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":"135152261","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}
龚伟 Gong Wei, 赵文华 Zhao Wenhua, 王心田 Wang Xintian, 李臻赜 Li Zhenze, 王熠 Wang Yi, 赵新景 Zhao Xinjing, 王晴 Wang Qing, 王艳辉 Wang Yanhui, 王磊 Wang Lei, 陈岐岱 Chen Qidai
{"title":"基于机器学习的激光微纳加工研究：应用和前景","authors":"龚伟 Gong Wei, 赵文华 Zhao Wenhua, 王心田 Wang Xintian, 李臻赜 Li Zhenze, 王熠 Wang Yi, 赵新景 Zhao Xinjing, 王晴 Wang Qing, 王艳辉 Wang Yanhui, 王磊 Wang Lei, 陈岐岱 Chen Qidai","doi":"10.3788/cjl230827","DOIUrl":"https://doi.org/10.3788/cjl230827","url":null,"abstract":"随着人工智能技术的不断发展，激光工业制造的智能化已成为重要趋势。机器学习作为人工智能的主要技术之一，已经在相关领域得到了广泛应用，并促进该领域实现巨大突破，推动下一代激光微纳加工技术的发展。为此，本文综述了机器学习在激光微纳加工领域各工艺过程中的重要应用，包括激光微纳加工参数优化与工艺窗口预测、加工过程的实时监测与控制、加工结果的预测以及辅助物理机制的研究，总结并展望了当前已有的机器学习与激光微纳加工交叉方向的改进方案，以及未来可能出现的机器学习与激光微纳加工交叉技术的进一步应用。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"78 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":"135662377","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}
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