Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Kangsong Tang"'
Autor:
Tingting Chen, Jianhai Sun, Ning Xue, Wen Wang, Zongchang Luo, Qinqin Liang, Tianye Zhou, Hao Quan, Haoyuan Cai, Kangsong Tang, Kaisheng Jiang
Publikováno v:
Microsystems & Nanoengineering, Vol 9, Iss 1, Pp 1-11 (2023)
Abstract Hydrogen sulfide (H2S) detection remains a significant concern and the sensitivity, selectivity, and detection limit must be balanced at low temperatures. Herein, we utilized a facile solvothermal method to prepare Cu-doped SnO2/rGO nanocomp
Externí odkaz:
https://doaj.org/article/8d18a2167cd047e48882ab564b687202
Autor:
Xinxiao Zhang, Jianhai Sun, Kangsong Tang, Hairong Wang, Tingting Chen, Kaisheng Jiang, Tianye Zhou, Hao Quan, Ruihua Guo
Publikováno v:
Microsystems & Nanoengineering, Vol 8, Iss 1, Pp 1-12 (2022)
Abstract Hydrogen (H2) sensors are of great significance in hydrogen energy development and hydrogen safety monitoring. However, achieving fast and effective detection of low concentrations of hydrogen is a key problem to be solved in hydrogen sensin
Externí odkaz:
https://doaj.org/article/3c479778450f47eaa88491abecce218f
Publikováno v:
2020 IEEE 21st International Conference on Vacuum Electronics (IVEC).
Vacuum is an important parameter which is related to TWTs’ long term operation and reliability. Vacuum deteriorate rate in tuning, vibration, thermal and vacuum thermal tests can be used to evaluate a TWT’s functional quality in a short-term way.
Publikováno v:
Journal of Physics: Conference Series. 1885:052052
Efficiency and back-streaming current are important indicators in a traveling wave tube (TWT). A new asymmetric multistage depressed collector (MDC) is needed when designing a K-band 100W space TWT for high collector efficiency and low back-streaming
Publikováno v:
Optoelectronics Letters. 2:118-121
The transmission property of the photonic crystal containing negative index material is analyzed by means of transfer matrix method. It is demonstrated that a defect mode appears in the conventional Bragg gap and the defect mode is sensitive to the p
Publikováno v:
Proceedings of SPIE.
The transmission of a one-dimensional left-handed photonic crystal consisting of alternating slabs of two materials with positive and negative refractive index respectively is investigated with the help of transfer matrix method (TTM). The properties
Publikováno v:
Optoelectronic Materials and Devices for Optical Communications.
We study the transmission of a one-dimensional ternary left-handed photonic crystal which is consisting of three alternating slabs in the form of {ABC} , where A and C represent two kinds of positive- refractive-index materials, and B represents the
Publikováno v:
High-Power Lasers and Applications III.
We study the phenomena of self-focusing and self-defocusing of an optical beam in a nonlinear negative-refractive-index material (NRM). It is shown that an optical beam propagating in NRM experiences self-focusing and self-defocusing for negative and
Publikováno v:
High-Power Lasers and Applications III.
We report on a theoretical analysis of propagation of monochromatic and broadband high-power laser beam through spatial filter. The law of formation of low-frequency modulation rings due to diffraction is obtained. It is found that the filling factor
Publikováno v:
SPIE Proceedings.
We report on a theoretical analysis of a channel dielectric waveguide consisting of periodically interlaced negative refractive index medium and positive index medium. The dispersion relation for TM modes is obtained. The properties of guided wave mo