太赫兹波段作为全光谱波段内唯一尚未完全开发的波段,其特性具有极大的科学研究价值和教学意义。太赫兹时域光谱仪是实现该波段光谱表征的仪器,同时也是实现全光谱探测的重要组成。本文采用3D Studio Max、WebGL、AR等技术设计开发了包...太赫兹波段作为全光谱波段内唯一尚未完全开发的波段,其特性具有极大的科学研究价值和教学意义。太赫兹时域光谱仪是实现该波段光谱表征的仪器,同时也是实现全光谱探测的重要组成。本文采用3D Studio Max、WebGL、AR等技术设计开发了包括实验导读与虚拟仿真实验操作等内容在内,兼具演示教学、交互式仿真练习、操作考评和交流研讨四大核心功能的太赫兹时域光谱仪虚拟仿真实验平台。该平台科学实用、仿真还原度高且不受时空限制,为传统实验教学做出了重要补充。在优化实验教学方式、改善教学效果、探索线上+线下混合式教学模式,促进虚拟仿真技术与太赫兹领域的深度融合等方面起到了重要作用。展开更多
Copper sulfate pentahydrate is investigated by terahertz time-domain spectroscopy. It is shown that the terahertz absorption coefficients are correlated with the particle size of the samples, as well as the heating ra...Copper sulfate pentahydrate is investigated by terahertz time-domain spectroscopy. It is shown that the terahertz absorption coefficients are correlated with the particle size of the samples, as well as the heating rates of the ambient temperature. Furthermore, the water molecules of copper sulfate pentahydrate can be quantitatively characterized due to the high sensitivity of the terahertz wave to water molecules. Based on such results, the status of water incorporated in mineral opal is also characterized using terahertz time-domain spectroscopy. It indicates that terahertz technology can be considered as an efficient method to detect the dehydration of minerals.展开更多
文摘太赫兹波段作为全光谱波段内唯一尚未完全开发的波段,其特性具有极大的科学研究价值和教学意义。太赫兹时域光谱仪是实现该波段光谱表征的仪器,同时也是实现全光谱探测的重要组成。本文采用3D Studio Max、WebGL、AR等技术设计开发了包括实验导读与虚拟仿真实验操作等内容在内,兼具演示教学、交互式仿真练习、操作考评和交流研讨四大核心功能的太赫兹时域光谱仪虚拟仿真实验平台。该平台科学实用、仿真还原度高且不受时空限制,为传统实验教学做出了重要补充。在优化实验教学方式、改善教学效果、探索线上+线下混合式教学模式,促进虚拟仿真技术与太赫兹领域的深度融合等方面起到了重要作用。
基金Project supported by the National Natural Science Foundation of China(Grant No.61805214)the Fundamental Research Funds for the Central Universities,China(Grant No.2652017142)
文摘Copper sulfate pentahydrate is investigated by terahertz time-domain spectroscopy. It is shown that the terahertz absorption coefficients are correlated with the particle size of the samples, as well as the heating rates of the ambient temperature. Furthermore, the water molecules of copper sulfate pentahydrate can be quantitatively characterized due to the high sensitivity of the terahertz wave to water molecules. Based on such results, the status of water incorporated in mineral opal is also characterized using terahertz time-domain spectroscopy. It indicates that terahertz technology can be considered as an efficient method to detect the dehydration of minerals.