This paper describes an optical voltage transducer （OVT） for the 35 kV electric power system based on modular interference in dual-mode highly elliptical-core polarization maintenance fiber （E-Core PMF）. The tempe...This paper describes an optical voltage transducer （OVT） for the 35 kV electric power system based on modular interference in dual-mode highly elliptical-core polarization maintenance fiber （E-Core PMF）. The temperature and environmental perturb- bation can be compensated automatically. In the scheme, a quartz crystal cylinder wrapped with highly elliptical-core fiber plays the role of voltage sensor head. The two interference output lobes＇ intensity from the E-core PMF is modulated with the converse piezoelectric effect of quartz crystal. A PZT wrapped with E-core PMF at ground potential serves as the static modular phase difference control and temperature compensation unit. The experiment results indicate that the OVT designed in this paper has satisfying performance and could successfully rejects the temperature perturbation.展开更多
Peptide-based probes play prominent roles in biomedical research due to their promising properties such as high biocompatibility,fast excretion, favorable pharmacokinetics as well as easy and robust preparation. Consi...Peptide-based probes play prominent roles in biomedical research due to their promising properties such as high biocompatibility,fast excretion, favorable pharmacokinetics as well as easy and robust preparation. Considering the translation of imaging probes into clinical applications, peptide-based probes remain to be the most desirable and optimal candidates. This review summarized the development of peptide-based probes with promising imaging modalities and highlighted the successful applications for in vivo biomedical imaging.展开更多
基金supported by the National Natural Science Foundation of China under Grant No. 50477001.
文摘This paper describes an optical voltage transducer （OVT） for the 35 kV electric power system based on modular interference in dual-mode highly elliptical-core polarization maintenance fiber （E-Core PMF）. The temperature and environmental perturb- bation can be compensated automatically. In the scheme, a quartz crystal cylinder wrapped with highly elliptical-core fiber plays the role of voltage sensor head. The two interference output lobes＇ intensity from the E-core PMF is modulated with the converse piezoelectric effect of quartz crystal. A PZT wrapped with E-core PMF at ground potential serves as the static modular phase difference control and temperature compensation unit. The experiment results indicate that the OVT designed in this paper has satisfying performance and could successfully rejects the temperature perturbation.
基金partially supported by grants from the National Natural Science Foundation of China(NSFC Nos. 21708012,81773674, 81573383,21390402, 81725009, 21788102, 81425015)111 Project (No. B17019)+6 种基金NKR&DPC (No. 2016YFA00900)NSFHP(Nos. 2017CFB151, 2017CFA024, 2017CFB711, 2016ACA126)ABRPSTCS (No. SYG201521)NSFJP (No. BK20160387)Shenzhen Science and Technology Research Grant (No. JCYJ20170303170809222)self-determined research funds of CCNU from the colleges, basic research and operation of MOE for the Central Universities (No. 23020205170469)Wuhan Morning Light Plan of Youth Science and Technology (No. 201705304010321)
文摘Peptide-based probes play prominent roles in biomedical research due to their promising properties such as high biocompatibility,fast excretion, favorable pharmacokinetics as well as easy and robust preparation. Considering the translation of imaging probes into clinical applications, peptide-based probes remain to be the most desirable and optimal candidates. This review summarized the development of peptide-based probes with promising imaging modalities and highlighted the successful applications for in vivo biomedical imaging.
