王新宇 Wang Xinyu, 胡以华 Hu Yihua, 杨星 Yang Xing, 顾有林 Gu Youlin, 何海浩 He Haihao, 丁婉莹 Ding Wanying, 王鹏 Wang Peng
{"title":"干燥方法对人工制备生物气溶胶消光性能的影响","authors":"王新宇 Wang Xinyu, 胡以华 Hu Yihua, 杨星 Yang Xing, 顾有林 Gu Youlin, 何海浩 He Haihao, 丁婉莹 Ding Wanying, 王鹏 Wang Peng","doi":"10.3788/aos230942","DOIUrl":"https://doi.org/10.3788/aos230942","url":null,"abstract":"通过建立具有丰富结构细节的生物颗粒形态模型,利用Kramers-Kronig算法、离散偶极子近似方法和蒙特卡罗算法计算了冷冻干燥和热风烘干两种干燥方法对BB0819生物气溶胶消光性能的影响,并通过傅里叶变换和红外光谱方法分析了由两种干燥方法所得孢子形成的生物气溶胶内部组成和蛋白质结构的差异,进一步解释了消光性能变化的原因。通过气溶胶室实验证明了仿真结果的可靠性,实验结果显示:在中红外波段,选用冷冻干燥孢子所形成的生物气溶胶可在3 min内将平均透过率从11.95%降至9.14%;在远红外波段,选用热风烘干孢子所形成的生物气溶胶可在3 min内将平均透过率从34.38%降至26.03%。研究结果阐明了干燥方法对人工制备生物气溶胶消光性能的影响,为在制备过程中提升生物气溶胶消光性能提供了有效参考。","PeriodicalId":7103,"journal":{"name":"光学学报","volume":"26 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":"135152254","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}
李博 Li Bo, 陈胜平 Chen Shengping, 李敬岁 Li Jingsui, 宋家鑫 Song Jiaxin, 宋锐 Song Rui, 韩凯 Han Kai
{"title":"线偏振超连续谱研究进展","authors":"李博 Li Bo, 陈胜平 Chen Shengping, 李敬岁 Li Jingsui, 宋家鑫 Song Jiaxin, 宋锐 Song Rui, 韩凯 Han Kai","doi":"10.3788/aos230923","DOIUrl":"https://doi.org/10.3788/aos230923","url":null,"abstract":"线偏振超连续谱光源是具有线偏振特性的宽光谱激光光源,是连接偏振光学与非线性光学的一个很好的纽带,在高光谱成像照明、光学相干层析等领域有重要应用。近几年关于线偏振超连续谱的研究报道逐渐增多,研究人员已经针对线偏振超连续谱的偏振度提高、相干性增强、光谱平坦度提高、功率提升以及光谱拓展等重点问题开展研究工作,并取得重要进展。本文介绍线偏振超连续谱的研究进展,总结分析线偏振超连续谱产生中的关键技术,并介绍与分析两种针对线偏振超连续谱的偏振消光比测量方法。","PeriodicalId":7103,"journal":{"name":"光学学报","volume":"9 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":"135152255","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}
{"title":"主被动星载大气探测载荷性能对比与分析","authors":"王静松 Wang Jingsong, 刘东 Liu Dong","doi":"10.3788/aos231153","DOIUrl":"https://doi.org/10.3788/aos231153","url":null,"abstract":"卫星遥感能够获取全球范围的大气环境参数,主要包括主动和被动两类探测技术。星载激光雷达作为典型的主动光学遥感载荷可以用于探测全球大气气溶胶、云、大气风场和温室气体等,并可以反演垂直廓线信息。本文概述了星载激光雷达探测技术的发展历程,较为全面地总结了星载激光雷达载荷轨道及技术参数,并与被动光学遥感载荷进行了比较,探讨了主被动星载大气探测载荷各自的优劣势和未来发展趋势。通过对比分析,为未来不同应用场景的大气探测载荷选择提供参考,有助于更好地利用卫星数据反演全球大气参数。","PeriodicalId":7103,"journal":{"name":"光学学报","volume":"101 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":"135152284","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}
聂栩 Nie Xu, 王祖军 Wang Zujun, 王百川 Wang Baichuan, 薛院院 Xue Yuanyuan, 黄港 Huang Gang, 赖善坤 Lai Shankun, 唐宁 Tang Ning, 王茂成 Wang Maocheng, 赵铭彤 Zhao Mingtong, 杨馥羽 Yang Fuyu, 王忠明 Wang Zhongming
{"title":"不同偏置条件下CMOS图像传感器质子辐照损伤效应的实验与分析","authors":"聂栩 Nie Xu, 王祖军 Wang Zujun, 王百川 Wang Baichuan, 薛院院 Xue Yuanyuan, 黄港 Huang Gang, 赖善坤 Lai Shankun, 唐宁 Tang Ning, 王茂成 Wang Maocheng, 赵铭彤 Zhao Mingtong, 杨馥羽 Yang Fuyu, 王忠明 Wang Zhongming","doi":"10.3788/aos230592","DOIUrl":"https://doi.org/10.3788/aos230592","url":null,"abstract":"应用在空间辐射环境下的互补金属氧化物半导体图像传感器(CIS)会受到高能质子辐照损伤,导致性能退化,严重时甚至功能失效。为了分析CIS高能质子辐照损伤机理,本文以0.18 μm工艺CIS为研究对象,利用西安200 MeV质子应用装置开展了注量分别为1×1010、5×1010、1×1011 p/cm2的100 MeV质子辐照实验。获得了单粒子瞬态响应的典型特征和暗信号、暗信号分布、暗信号尖峰及随机电码信号(RTS)等敏感参数的退化规律,揭示了不同偏置条件和不同注量下CIS高能质子辐照损伤的物理机制。实验结果表明:对暗信号而言,加偏置条件比未加偏置条件变化显著;质子辐照诱发的位移损伤和电离损伤引起暗信号的增大;位移损伤诱发的体缺陷诱发暗信号尖峰的产生,且随着辐照注量的增大而增多;空间电荷区中不同类型的体缺陷导致两能级和多能级RTS的产生。","PeriodicalId":7103,"journal":{"name":"光学学报","volume":"143 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":"135659368","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}