{"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}
{"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
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