Zobrazeno 1 - 10
of 11 690
pro vyhledávání: '"Optical Power"'
Publikováno v:
Guangtongxin yanjiu, Pp 23013101-23013105 (2024)
【Objective】In order to solve the problem of the limited bandwidth of polarization insensitive optical power splitter, an ultra-broadband polarization insensitive optical power splitter based on Silicon Nitride (Si3N4) waveguide is proposed.【Met
Externí odkaz:
https://doaj.org/article/a7dd26e2814540249c7d0ba8bc561da6
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract The deep ultraviolet (DUV) micro-light emitting diode (μLED) has serious electron leakage and low hole injection efficiency. Meanwhile, with the decrease in the size of the LED chip, the plasma-assisted dry etching process will cause damage
Externí odkaz:
https://doaj.org/article/ed6850264b9248d2a47967fec7ff1cb7
Autor:
Huazhong Xiang, Lefei Ma, Xin Zhang, Hui Cheng, Zexi Zheng, Jiabi Chen, Cheng Wang, Dawei Zhang, Songlin Zhuang
Publikováno v:
Frontiers in Physics, Vol 12 (2024)
In this study, we developed a new method for designing progressive addition-multifocus defocused freeform lenses. We used two independent meridians and achieved a smooth gradient transition of additional optical power from the center to the periphera
Externí odkaz:
https://doaj.org/article/d378ee58b02643d1bf422c23b964b5fb
Publikováno v:
Engineering Reports, Vol 6, Iss 10, Pp n/a-n/a (2024)
Abstract Wireless power transfer (WPT) is a promising technology that has the potential to revolutionize the present methods of power transmission. This paper aims to provide an overview of WPT, including its history, a comparative review of methods,
Externí odkaz:
https://doaj.org/article/38bace5303974525b2e8c5db6eca1620
Publikováno v:
Frontiers in Physics, Vol 12 (2024)
The mode coupling in a graded-index polymer photonic crystal fiber (GI PPCF) with a solid core has been investigated using the Langevin equation. Based on the computer-simulated Langevin force, the Langevin equation is numerically integrated. The num
Externí odkaz:
https://doaj.org/article/a798aba2283f417895f23bba5a6f45f6
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 4, Pp 247-251 (2024)
Objective In response to the situation where historical optical power data in metro communication systems is missing despite the sufficient historical related data, an optical power prediction method based on double pooling multilayer perceptron mode
Externí odkaz:
https://doaj.org/article/8cb5b3ea2476448d934d8671adf94444
Autor:
Simon Fafard, Denis Masson
Publikováno v:
Photonics, Vol 11, Iss 7, p 596 (2024)
We demonstrate the use of laser diodes and multijunction photovoltaic power converters to efficiently deliver watts of electrical power for long-distance or cryogenic applications. Transmission through single-mode and multi-mode fibers at the wavelen
Externí odkaz:
https://doaj.org/article/2855f638dcf746989f701ada51c6c6a4
Autor:
Mehtab Singh, Somia A. Abd El-Mottaleb, Hassan Yousif Ahmed, Medien Zeghid, Kottakkaran Sooppy Nisar, Ameenah N. Al-Ahmadi, Mona Mahmoud
Publikováno v:
Alexandria Engineering Journal, Vol 77, Iss , Pp 15-29 (2023)
Free space optics (FSO) communication systems are preferred due to their high transmission capacity so it can support the ever-increasing volume of online traffic. Optical code division multiple access (OCDMA) is ideal for enhancing capacity by utili
Externí odkaz:
https://doaj.org/article/b6f6cd1b208b43d8961ef9afbebc2786
Publikováno v:
International Journal of Technology, Vol 14, Iss 5, Pp 1009-1018 (2023)
In this study, we proposed an adaptive successive interference cancellation (SIC) technique to enhance non-orthogonal multiple access visible light communication (NOMA-VLC) and demonstrate its effectiveness using extensive simulations. NOMA-VLC is
Externí odkaz:
https://doaj.org/article/bb2f0141e79341cda0fdbb44c0293a8a
Autor:
Mengqiong Zhu, Yuanbo Zhang, Shuaicheng Lu, Zijun Wang, Junbing Zhou, Wenkai Ma, Ruinan Zhu, Guanyuan Chen, Jianbing Zhang, Liang Gao, Jiancan Yu, Pingqi Gao, Jiang Tang
Publikováno v:
Frontiers of Optoelectronics, Vol 16, Iss 1, Pp 1-11 (2023)
Abstract Infrared photovoltaic cells (IRPCs) have attracted considerable attention for potential applications in wireless optical power transfer (WOPT) systems. As an efficient fiber-integrated WOPT system typically uses a 1550 nm laser beam, it is e
Externí odkaz:
https://doaj.org/article/bac48351091747bea8666a0e7b567bc0