韩文斌 Han Wenbin, 孙德辉 Sun Dehui, 王蒙 Wang Meng, 李陈哲 Li Chenzhe, 刘首廷 Liu Shouting, 刘宏 Liu Hong
{"title":"高能强场太赫兹源与铌酸锂晶体","authors":"韩文斌 Han Wenbin, 孙德辉 Sun Dehui, 王蒙 Wang Meng, 李陈哲 Li Chenzhe, 刘首廷 Liu Shouting, 刘宏 Liu Hong","doi":"10.3788/cjl230780","DOIUrl":"https://doi.org/10.3788/cjl230780","url":null,"abstract":"高能强场太赫兹(THz)源在国土安全、通信雷达、生物医疗等领域有重要的应用价值。然而,一直以来THz源的辐射输出能量小、转化效率低,阻碍了强场THz前沿科学与应用研究的发展。基于铌酸锂倾斜波前技术,飞秒激光抽运铌酸锂晶体有望实现能量更高的极端强场THz输出。从材料角度阐述了铌酸锂强场THz源产出的研究进展,总结了强场THz源对铌酸锂晶体的性能要求:均匀掺镁铌酸锂、低浓度掺镁近化学计量比铌酸锂、大口径铌酸锂晶体。最后,介绍了近年来周期极化铌酸锂和铌酸锂单晶薄膜等微纳结构的调控在THz源领域的应用研究。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135104985","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}
魏小柯 Wei Xiaoke, 吴旭 Wu Xu, 陆小森 Lu Xiaosen, 王俊杰 Wang Junjie, 李婧楠 Li Jingnan, 杨颜锶 Yang Yansi, 褚欣博 Chu Xinbo, 王奇亮 Wang Qiliang, 金钻明 Jin Zuanming, 彭滟 Peng Yan
{"title":"抗血栓药物拜瑞妥的远红外光谱研究","authors":"魏小柯 Wei Xiaoke, 吴旭 Wu Xu, 陆小森 Lu Xiaosen, 王俊杰 Wang Junjie, 李婧楠 Li Jingnan, 杨颜锶 Yang Yansi, 褚欣博 Chu Xinbo, 王奇亮 Wang Qiliang, 金钻明 Jin Zuanming, 彭滟 Peng Yan","doi":"10.3788/cjl230523","DOIUrl":"https://doi.org/10.3788/cjl230523","url":null,"abstract":"以治疗血栓的新型药物拜瑞妥为例,利用远红外光谱,实现了药物快速准确的定量分析。首先,基于密度泛函理论进行理论仿真,分析了拜瑞妥基团结构的振动模式,预测其在0~100 cm-1波数范围内存在多种共振吸收。接着,利用远红外光谱仪对拜瑞妥进行检测,获得了与理论仿真结果高度一致的实验谱图,明确了拜瑞妥在远红外频段的特征吸收峰。最后,对不同质量拜瑞妥样品进行了测试,研究了拜瑞妥的特征吸收峰强度与其质量之间的线性关系,以多个特征峰为指标进行联合分析,实现了拜瑞妥药物含量的快速定量分析。研究结果有助于推动相关抗血栓药物的快速检测手段的发展。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135105677","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}