设计了一种基于Matlab6.1语言的Er-Yb集成波导放大器CAD(Computer Aided Design,CAD)仿真系统,并对编程序代码的用途进行了说明。该系统可仿真Er-Yb共掺磷酸盐玻璃波导放大器的特性。所具有的图形用户界面(Graphical User Interface,GUI...设计了一种基于Matlab6.1语言的Er-Yb集成波导放大器CAD(Computer Aided Design,CAD)仿真系统,并对编程序代码的用途进行了说明。该系统可仿真Er-Yb共掺磷酸盐玻璃波导放大器的特性。所具有的图形用户界面(Graphical User Interface,GUI)使用户能够很快地改变参数,能立即看出新参数所产生的仿真结果。展开更多
The W(18)O(49) nanoflowers with a diameter of 500 nm are prepared by a facile hydrothermal method. The Er-Yb:NaYF4 nanoparticles are adsorbed on the petals(the position of the strongest local electric field on W...The W(18)O(49) nanoflowers with a diameter of 500 nm are prepared by a facile hydrothermal method. The Er-Yb:NaYF4 nanoparticles are adsorbed on the petals(the position of the strongest local electric field on W(18)O(49) nanoflowers).With a 976 nm laser diode(LD) as an excitation source, the selectively green upconversion luminescence(UCL) is observed to be enhanced by two orders of magnitude in Er-Yb: NaYF4/W(18)O(49) nanoflowers heterostructures. It suggests that the near infrared(NIR)-excited localized surface plasmon resonance(LSPR) of W(18)O(49) is primarily responsible for the enhanced UCL, which could be partly reabsorbed by the W(18)O(49), thus leading to the selective enhancement of green UCL for the Er-Yb: NaYF4. The fluorescence intensity ratio is investigated as a function of temperature based on the intense green UCL, which indicates that Er-Yb: NaYF4/W(18)O(49) nanoflower heterostructures have good potential for developing into temperature sensors.展开更多
文摘设计了一种基于Matlab6.1语言的Er-Yb集成波导放大器CAD(Computer Aided Design,CAD)仿真系统,并对编程序代码的用途进行了说明。该系统可仿真Er-Yb共掺磷酸盐玻璃波导放大器的特性。所具有的图形用户界面(Graphical User Interface,GUI)使用户能够很快地改变参数,能立即看出新参数所产生的仿真结果。
基金Project supported by the National Natural Science Foundation of China(Grant Nos.11474046 and 61775024)the Program for Liaoning Innovation Team in University,China(Grant No.LT2016011)+1 种基金the Science and Technique Foundation of Dalian,China(Grant Nos.2017RD12 and 2015J12JH201)the Fundamental Research Funds for the Central Universities,China(Grant No.DC201502080203)
文摘The W(18)O(49) nanoflowers with a diameter of 500 nm are prepared by a facile hydrothermal method. The Er-Yb:NaYF4 nanoparticles are adsorbed on the petals(the position of the strongest local electric field on W(18)O(49) nanoflowers).With a 976 nm laser diode(LD) as an excitation source, the selectively green upconversion luminescence(UCL) is observed to be enhanced by two orders of magnitude in Er-Yb: NaYF4/W(18)O(49) nanoflowers heterostructures. It suggests that the near infrared(NIR)-excited localized surface plasmon resonance(LSPR) of W(18)O(49) is primarily responsible for the enhanced UCL, which could be partly reabsorbed by the W(18)O(49), thus leading to the selective enhancement of green UCL for the Er-Yb: NaYF4. The fluorescence intensity ratio is investigated as a function of temperature based on the intense green UCL, which indicates that Er-Yb: NaYF4/W(18)O(49) nanoflower heterostructures have good potential for developing into temperature sensors.