Zobrazeno 1 - 10
of 161
pro vyhledávání: '"Yangan Zhang"'
Autor:
Junming Cao, Yuanqing Jiang, Xiaoming Li, Xueguang Yuan, Jinnan Zhang, Qi He, Fei Ye, Geng Luo, Shaohua Guo, Yangan Zhang, Qi Wang
Publikováno v:
Sensors, Vol 24, Iss 1, p 271 (2024)
Fiber-based flexible sensors have promising application potential in human motion and healthcare monitoring, owing to their merits of being lightweight, flexible, and easy to process. Now, high-performance elastic fiber-based strain sensors with high
Externí odkaz:
https://doaj.org/article/cf5dfd060b6b4c8982686265882f40b7
Publikováno v:
Sensors, Vol 23, Iss 20, p 8612 (2023)
In the domain of optical fiber distributed acoustic sensing, the persistent challenge of extending sensing distances while concurrently improving spatial resolution and frequency response range has been a complex endeavor. The amalgamation of pulse c
Externí odkaz:
https://doaj.org/article/a3b8ee9ba5484487879096a7b4f7ca5e
Publikováno v:
Applied Sciences, Vol 13, Iss 20, p 11355 (2023)
This study introduces an innovative phase-sensitive optical time-domain reflectometer (φ-OTDR) technology based on orthogonal frequency-division multiplexing (OFDM) and nonlinear frequency modulation (NLFM) pulse modulation sequences. The proposed a
Externí odkaz:
https://doaj.org/article/7af138fb4194420cb6a31555c2522da5
Publikováno v:
BMC Oral Health, Vol 21, Iss 1, Pp 1-6 (2021)
Abstract Background The objective of this report was to highlight the importance of using a dental operating microscope (DOM) to locate supernumerary canals and diagnose variations in root canals using cone-beam computed tomographic (CBCT) images. Ca
Externí odkaz:
https://doaj.org/article/cb3f3e3bc5a74508b4457707e49ac771
Publikováno v:
Results in Physics, Vol 37, Iss , Pp 105571- (2022)
A switchable and tunable reflective terahertz (THz) polarization converter based on graphene metamaterial is designed and analyzed. By changing the Fermi energy level of graphene, the converter can achieve broadband linear polarization conversion (LP
Externí odkaz:
https://doaj.org/article/1fcd39b0ba334904902cae39d64fe1c4
Publikováno v:
Results in Physics, Vol 31, Iss , Pp 105039- (2021)
An electrically and thermally dual-tunable broadband terahertz absorber based on graphene and strontium titanate is designed and analyzed. The results show that by lifting the Fermi energy of graphene, absorption is significantly enhanced, particular
Externí odkaz:
https://doaj.org/article/c093f7a8bde346609a7a8a0c5f52a637
Publikováno v:
Nanomaterials, Vol 11, Iss 11, p 2807 (2021)
A laterally oriented GaAs p-i-n nanowire solar cell with Ag gratings is proposed and studied via coupled three-dimensional optoelectronic simulations. The results show that the gratings significantly enhance the absorption of nanowire for both TM and
Externí odkaz:
https://doaj.org/article/dcbae3df1d7f4ca6b15c59f5de66fd08
Publikováno v:
Micromachines, Vol 12, Iss 6, p 619 (2021)
In this paper, a switchable and dual-tunable terahertz absorber based on patterned graphene and vanadium dioxide is proposed and analyzed. By controlling the Fermi level of graphene and the temperature of vanadium dioxide, the device’s function can
Externí odkaz:
https://doaj.org/article/c31c143327b84d12b1560da2b6136ea5
Publikováno v:
Micromachines, Vol 11, Iss 12, p 1096 (2020)
A dual-controlled tunable broadband terahertz absorber based on a hybrid graphene-Dirac semimetal structure is designed and studied. Owing to the flexible tunability of the surface conductivity of graphene and relative permittivity of Dirac semimetal
Externí odkaz:
https://doaj.org/article/db165a062cf74d9399ec9ebfbfbc6754
Publikováno v:
Nanomaterials, Vol 10, Iss 12, p 2344 (2020)
A low-threshold miniaturized single-mode nanowire laser operating at telecommunication wavelengths was proposed and simulated. The device was constructed by combining a single InGaAs nanowire with a photonic crystal microcavity and asymmetric distrib
Externí odkaz:
https://doaj.org/article/36b2e815d7ba4c9c9181d9993f68dae5