Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Houzhi Cai"'
Publikováno v:
Photonics, Vol 10, Iss 3, p 267 (2023)
The final stage of an inertial confinement fusion (ICF) experiment requires the diagnostic instruments to have the ability to obtain multiple images with high spatiotemporal resolution due to its extremely short duration. However, the influence of fi
Externí odkaz:
https://doaj.org/article/da508e63dbc541ea90216bfee05de888
Publikováno v:
Photonics, Vol 10, Iss 3, p 297 (2023)
In the process of image reconstruction of compressed sensing algorithms, building a measurement matrix related to the parameters of the imaging system is necessary to improve its imaging quality. Additionally, building a compressed ultrafast imaging
Externí odkaz:
https://doaj.org/article/0421fa4978334ee7b3f6766831f32df7
Publikováno v:
IEEE Access, Vol 9, Pp 142147-142155 (2021)
Based on high efficiency and wide spectral splitter film and Fresnel lens, we have theoretically investigated a full solar-spectrum power-generation system. Designed nano-multilayers are fabricated on Fresnel lens. Then short wavelengths (400 nm ~ 11
Externí odkaz:
https://doaj.org/article/cfd2f3563fdf46a58760ad2afdbb3db3
Publikováno v:
IEEE Access, Vol 9, Pp 144080-144084 (2021)
The energy distribution of output electrons (EDOE) from a microchannel plate (MCP) is measured using electrons emitted by a vacuum photodiode excited by a 266 nm Ti-sapphire femtosecond laser. The photoelectrons emitted from the photocathode are focu
Externí odkaz:
https://doaj.org/article/d702e61c10a64e0a9d13437a4bab618f
Autor:
Wenyong Fu, Junkun Huang, Dong Wang, Yunfei Lei, Yong Wang, Pokun Deng, Jinhua Long, Houzhi Cai, Jinyuan Liu
Publikováno v:
IEEE Access, Vol 8, Pp 47533-47537 (2020)
A pulse dilation photomultiplier tube (PD-PMT) has been developed. The photoelectrons energy is modulated by a time-dependent electric field between photocathode and ground mesh. Then, the photoelectron pulse is dilated as it transits in a relatively
Externí odkaz:
https://doaj.org/article/e387b88c3b7a4acdbf02b7821bd6e443
Publikováno v:
IEEE Access, Vol 8, Pp 189974-189981 (2020)
Based on thin film optics (TFO) and finite element method (FEM), we have theoretically investigated improving external quantum efficiency (EQE) by anti-reflection (AR) films constructed from subwavelength nano multi-layers (NML) of low and high index
Externí odkaz:
https://doaj.org/article/b88ace46d55f4f6cbf8714e32ac6dfdd
Publikováno v:
IEEE Access, Vol 7, Pp 158557-158562 (2019)
An ultrafast x-ray detector consisted of an electron pulse time-dilation device, a combined electromagnetic lens system, a microchannel plate (MCP) gated imager, and an electrical pulse generator is reported. The time-dilation device is used to magni
Externí odkaz:
https://doaj.org/article/0985df8d9fa14f3b962ab5ffa67aefb6
Autor:
Dong Wang, Yong Wang, Junkun Huang, Wenyong Fu, Yunfei Lei, Pokun Deng, Houzhi Cai, Jinyuan Liu
Publikováno v:
IEEE Access, Vol 7, Pp 176394-176403 (2019)
We theoretically investigate the anti-reflection (AR) films based on nano multi-layers (NML) of TiO2 and SiO2. This kind of NML dielectric structures have the advantages of low-cost and flexible. Six kinds of transparent conductive substrate (TCS) ha
Externí odkaz:
https://doaj.org/article/a7b8d2c139c649f19f80ed36ea84fba6
Autor:
Houzhi Cai, Pokun Deng, Wenyong Fu, Dong Wang, Yunfei Lei, Junkun Huang, Yong Wang, Jinyuan Liu
Publikováno v:
IEEE Access, Vol 7, Pp 98781-98785 (2019)
A time-resolved x-ray imager based on the gated microchannel plate (MCP) technology is reported. The single MCP microstrip line with a width of 20 mm is formed to improve the spatial resolving capability. The microstrip line cathode coated on the MCP
Externí odkaz:
https://doaj.org/article/d3685668a11e40b08d5cec3ee2b67a0e
Publikováno v:
Nanomaterials, Vol 12, Iss 12, p 2075 (2022)
TaS2 as transition metal dichalcogenide (TMD) two-dimensional (2D) material has sufficient unstructured bonds and large inter-layer spacing, which highly supports transporting and absorbing mercury ions. The structural characterizations and simulatio
Externí odkaz:
https://doaj.org/article/0ff84f0c6f4143a2815e3ff30ab62a60