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强激光场驱动的原子里德堡态激发及电离（特邀） 强激光场驱动的原子里德堡态激发及电离（特邀）
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235207.0732001
赵勇 ZHAO Yong, 周月明 ZHOU Yueming
{"title":"强激光场驱动的原子里德堡态激发及电离（特邀）","authors":"赵勇 ZHAO Yong, 周月明 ZHOU Yueming","doi":"10.3788/gzxb20235207.0732001","DOIUrl":"https://doi.org/10.3788/gzxb20235207.0732001","url":null,"abstract":"强场飞秒激光作用于原子时，原子中的电子除了发生多光子电离、隧穿电离等过程外，还有很大的概率处于高激发态。这种高激发态的原子在超强超短激光场中非常稳定，并且与强场中的其它许多现象密切相关，例如，中性粒子加速、多光子拉比振荡、近阈值谐波辐射等，因此近十几年来是强场超快物理领域的研究热点之一。在这些研究中，强激光场中里德堡原子的产生机制、激光对里德堡态的调控、里德堡态强场电离及稳定性等，是关注的主要问题。本文将概述强激光驱动的里德堡态的产生机制，包括多光子共振激发，受挫隧穿电离等。重点介绍强激光场驱动的里德堡态原子激发过程中的多种干涉现象。这些干涉现象提供了里德堡原子强场激发的动态过程信息。同时，还将介绍激发态原子在强激光场中的电离过程，特别是圆偏光驱动的里德堡原子电离的圆二色性。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"140 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":"135156083","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
“超快激光诱导自组织周期微纳结构”专题导读 “超快激光诱导自组织周期微纳结构”专题导读
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235207.0752300
石理平 Shi Liping, 贾天卿 Jia Tianqing, 杨建军 Yang Jianjun
{"title":"“超快激光诱导自组织周期微纳结构”专题导读","authors":"石理平 Shi Liping, 贾天卿 Jia Tianqing, 杨建军 Yang Jianjun","doi":"10.3788/gzxb20235207.0752300","DOIUrl":"https://doi.org/10.3788/gzxb20235207.0752300","url":null,"abstract":"","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"1 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":"135156291","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
基于自适应截断模拟曝光和无监督融合的低照度真彩色图像增强算法 基于自适应截断模拟曝光和无监督融合的低照度真彩色图像增强算法
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235209.0910002
韩永成 HAN Yongcheng, 张闻文 ZHANG Wenwen, 何伟基 HE Weiji, 陈钱 CHEN Qian
{"title":"基于自适应截断模拟曝光和无监督融合的低照度真彩色图像增强算法","authors":"韩永成 HAN Yongcheng, 张闻文 ZHANG Wenwen, 何伟基 HE Weiji, 陈钱 CHEN Qian","doi":"10.3788/gzxb20235209.0910002","DOIUrl":"https://doi.org/10.3788/gzxb20235209.0910002","url":null,"abstract":"针对图像增强算法中普遍存在暗部区域细节丢失、亮部区域过度增强等问题，提出了基于自适应截断模拟曝光和深度融合的增强算法。对原始低照度图像进行模拟曝光，通过卷积网络学习曝光序列对应的权重图并在网络内部实现加权融合，获得增强结果。在生成模拟曝光序列的过程中，对图像进行亮暗区域分割，然后对其进行截断性自适应伽马校正，最后通过引导滤波降噪获得合适的曝光序列。获得多曝光序列后，通过基于空洞卷积的上下文聚合网络，实现快速灵活地加权融合，得到最终增强结果。收集了大量公开数据集，并使用微光夜视相机和三通道真彩色相机收集了实验室环境测试集，在不同数据集上和经典主流算法进行了对比实验。实验结果表明，本算法的NIQE、PSNR和SSIM指标都是最好的，其中NIQE降低了4.49%，PSNR提高了4.28%，SSIM提高了1.94%。此外，算法的色彩还原效果也很好，色差指标是所有算法中最小的，在8.71×10-2 lx照度下，本算法色差减小了14.83%，在1.02×10-2 lx下减小了3.05%。本文算法可以明显提高图像亮度和对比度，鲁棒性较好，不会产生过度增强现象，有效恢复图像细节的同时兼顾色彩信息，增强结果真实自然。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"7 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":"135156292","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STM32的半导体激光器输出功率和工作温度稳定性研究 基于STM32的半导体激光器输出功率和工作温度稳定性研究
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235208.0814002
夏志昌 XIA Zhichang, 于永爱 YU Yongai, 尚建华 SHANG Jianhua
{"title":"基于STM32的半导体激光器输出功率和工作温度稳定性研究","authors":"夏志昌 XIA Zhichang, 于永爱 YU Yongai, 尚建华 SHANG Jianhua","doi":"10.3788/gzxb20235208.0814002","DOIUrl":"https://doi.org/10.3788/gzxb20235208.0814002","url":null,"abstract":"半导体激光器的中心波长及输出功率极易受到驱动电流和工作温度的影响，为了获得精确稳定可靠的检测结果，设计了一种基于STM32的中低功率半导体激光器驱动电源和温控系统。所设计驱动电源采用深度负反馈电路，与比例积分微分算法构成双闭环功率控制。采用H桥驱动芯片控制半导体制冷片对半导体激光器温度进行精确控制。实验结果表明，所设计的驱动电流稳定性极好，稳定度在0.3％左右，精度为0.86％；温度调节速度快，长时工作温度控制精度为±0.03 ℃，稳定度可达0.18％；激光器的输出功率稳定性在±2 mW内；激光器的中心波长波动范围为0.007 5 nm，能满足激光器的工作要求。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"97 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":"135157602","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
宽动态范围微光照度源的设计与性能测试 宽动态范围微光照度源的设计与性能测试
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235208.0812004
李越 LI Yue, 袁银麟 YUAN Yinlin, 叶英杰 YE Yingjie, 孔德垚 KONG Deyao, 肖岚 XIAO Lan, 翟文超 ZHAI Wenchao, 郑小兵 ZHENG Xiaobing
{"title":"宽动态范围微光照度源的设计与性能测试","authors":"李越 LI Yue, 袁银麟 YUAN Yinlin, 叶英杰 YE Yingjie, 孔德垚 KONG Deyao, 肖岚 XIAO Lan, 翟文超 ZHAI Wenchao, 郑小兵 ZHENG Xiaobing","doi":"10.3788/gzxb20235208.0812004","DOIUrl":"https://doi.org/10.3788/gzxb20235208.0812004","url":null,"abstract":"为满足微光像增强器等微光传感器的高精度辐射定标需求，设计了宽动态范围微光照度源。该微光照度源由子积分球、母积分球、可调光阑和圆筒光阑组成。调节可调光阑面积，改变子积分球导入母积分球的辐射通量，实现了光源照度6个量级的调节功能，且保证了光源色温不变。圆筒光阑是具有双微孔光阑和消杂光挡板的筒状结构，可以将积分球亮度光源转化为均匀的照度光源。母积分球上设置了集成了半导体制冷片的硅光电二极管监视探测器，可实现光源照度的监测与设置。开展了宽动态范围微光照度源性能测试，测试结果表明：微光照度源的照度覆盖3.8×10-6 lx~12 lx，非稳定度小于0.001 8%。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"55 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":"135157905","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
CH4裂解制备C2H2过程气体空芯光纤增强拉曼光谱检测研究 CH4裂解制备C2H2过程气体空芯光纤增强拉曼光谱检测研究
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235209.0930001
万福 WAN Fu, 王锐 WANG Rui, 孔维平 KONG Weiping, 刘强 LIU Qiang, 孙宏程 SUN Hongcheng, 王明勇 WANG Mingyong, 陈伟根 CHEN Weigen
{"title":"CH4裂解制备C2H2过程气体空芯光纤增强拉曼光谱检测研究","authors":"万福 WAN Fu, 王锐 WANG Rui, 孔维平 KONG Weiping, 刘强 LIU Qiang, 孙宏程 SUN Hongcheng, 王明勇 WANG Mingyong, 陈伟根 CHEN Weigen","doi":"10.3788/gzxb20235209.0930001","DOIUrl":"https://doi.org/10.3788/gzxb20235209.0930001","url":null,"abstract":"基于空芯反谐振光纤设计搭建了光纤增强拉曼光谱检测平台，实现了95%的激光耦合效率；提出CCD和小孔协同降噪方法，使信噪比提高约6倍；相比于未使用光纤时，信噪比提高约270倍。基于单一标准浓度气体分析，确定了用于气体定性的特征拉曼谱峰及标定模型并建立了过程气体定量分析模型，实现了CH4裂解制备C2H2过程气体现场样本的同时检测分析，主要成分包含H2、CO、CO2、CH4、C2H2、C2H6和C2H4。各气体同时最小检出限分别达到6.3、26.6、1.2、2.2、4.2、3.9、9.1 μL/L?bar，各气体含量分别为560 588.51 μL/L、230 678.21 μL/L、33 107.65 μL/L、56 086.77 μL/L、77 945.56 μL/L、1 307.19 μL/L、1 823.55 μL/L，各气体浓度与色谱仪标定值相符，检测误差低于4.95%。该方法为CH4裂解制备C2H2控制提供了重要的途径。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"85 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":"135159335","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
非局域超表面微分器的逆向设计 非局域超表面微分器的逆向设计
4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235209.0923001
秦浩然 QIN Haoran, 寇君龙 KOU Junlong, 朱家荣 ZHU Jiarong, 周子昕 ZHOU Zixin, 王军转 WANG Junzhuan, 陈召宪 CHEN Zhaoxian, 陆延青 LU Yanqing
{"title":"非局域超表面微分器的逆向设计","authors":"秦浩然 QIN Haoran, 寇君龙 KOU Junlong, 朱家荣 ZHU Jiarong, 周子昕 ZHOU Zixin, 王军转 WANG Junzhuan, 陈召宪 CHEN Zhaoxian, 陆延青 LU Yanqing","doi":"10.3788/gzxb20235209.0923001","DOIUrl":"https://doi.org/10.3788/gzxb20235209.0923001","url":null,"abstract":"使用遗传算法合理地迭代与优化非局域超表面的材料分布，完成了一个一维二阶空间微分器的逆向设计。当入射角小于10°时，该微分器具有与目标函数高度吻合的传递函数。为证明该方法的通用性，采用相同的方式设计了一个拉普拉斯变换器。最后，分别验证了两个器件在实际制造中的可行性以及它们识别图像边缘的效果。","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"27 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":"135159349","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
微波耦合四能级原子系统二维电磁感应光栅 微波耦合四能级原子系统二维电磁感应光栅
IF 0.6 4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235201.0105002
夏红铭 XIA Hongming, 张多 ZHANG Duo, 李亚骞 LI Yaqian, 孙照宇 SUN Zhaoyu, 王梅 WANG Mei
{"title":"微波耦合四能级原子系统二维电磁感应光栅","authors":"夏红铭 XIA Hongming, 张多 ZHANG Duo, 李亚骞 LI Yaqian, 孙照宇 SUN Zhaoyu, 王梅 WANG Mei","doi":"10.3788/gzxb20235201.0105002","DOIUrl":"https://doi.org/10.3788/gzxb20235201.0105002","url":null,"abstract":"","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70523959","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
基于双模态融合网络的目标检测算法 基于双模态融合网络的目标检测算法
IF 0.6 4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235201.0110002
孙. S. SUN Ying, 侯志强 HOU Zhiqiang, 杨. Yang Chen, 马素刚 MA Sugang, 范九伦 Fan Jiulun
{"title":"基于双模态融合网络的目标检测算法","authors":"孙. S. SUN Ying, 侯志强 HOU Zhiqiang, 杨. Yang Chen, 马素刚 MA Sugang, 范九伦 Fan Jiulun","doi":"10.3788/gzxb20235201.0110002","DOIUrl":"https://doi.org/10.3788/gzxb20235201.0110002","url":null,"abstract":"","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70524358","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
基于非局部自相似性的双相机压缩光谱图像重建算法 基于非局部自相似性的双相机压缩光谱图像重建算法
IF 0.6 4区 物理与天体物理
光子学报 Pub Date : 2023-01-01 DOI: 10.3788/gzxb20235201.0111003
朱骏捷 ZHU Junjie, 赵巨峰 Zhao Jufeng, 田海军 TIAN Haijun, 崔光茫 Cui Guangmang, 石. S. Shi Zhen
{"title":"基于非局部自相似性的双相机压缩光谱图像重建算法","authors":"朱骏捷 ZHU Junjie, 赵巨峰 Zhao Jufeng, 田海军 TIAN Haijun, 崔光茫 Cui Guangmang, 石. S. Shi Zhen","doi":"10.3788/gzxb20235201.0111003","DOIUrl":"https://doi.org/10.3788/gzxb20235201.0111003","url":null,"abstract":"","PeriodicalId":7111,"journal":{"name":"光子学报","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70524473","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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