Development of long‐distance power supply system with high power laser over single mode fiber

2021 ◽  
Author(s):  
Yu Hualong ◽  
Wang Shiyu ◽  
Wu Jiachen
Keyword(s):  
High Power ◽  
Power Supply ◽  
Power Supply System ◽  
Single Mode ◽  
Single Mode Fiber ◽  
Supply System ◽  
High Power Laser ◽  
Power Laser ◽  
Long Distance

Fabricating Lensed Fiber Using a Novel Polishing Method

2009 ◽  
Vol 131 (4) ◽  
Author(s):  
Yih-Tun Tseng ◽  
Jhong-Bin Huang ◽  
Wei-Jyun Su
Keyword(s):  
High Power ◽  
Communication Systems ◽  
Coupling Efficiency ◽  
Single Mode ◽  
High Power Laser ◽  
Power Laser ◽  
Long Distance ◽  
Mode Field ◽  
Optical Communication Systems ◽  
Distance Communication

In optical communication systems, 980 nm high-power laser modules are applied for long-distance communication amplifiers. Since the mode field of the 980 nm laser diodes is different from single-mode fibers, coupling losses may occur. In order to improve this problem, lensed fibers have been used widely recently, such as lensed fiber employing quadrangular-pyramid-shaped fiber endface (QPSFE). The QPSFE can easily yield any elliptical microlens aspect ratio to match the far field of the high-power laser diode but the fiber endface must be polished and then spliced during present manufacturing process. It is a time-consuming task and the melting depth of the fiber endface is controlled with difficulty. This study develops a novel fiber endface polishing method for manufacturing the lensed fiber employing QPSFE. Using this new method, the coupling efficiency exceeds 70%.

Long-Term Reliability of Pure Silica Core Single-Mode Fiber When Exposed to High-Power Laser Light

2004 ◽  
Vol 16 (4) ◽  
pp. 1110-1112 ◽  
Author(s):  
K. Kurokawa ◽  
C. Fukai ◽  
J. Zhou ◽  
K. Tajima ◽  
K. Nakajima ◽  
...  
Keyword(s):  
High Power ◽  
Laser Light ◽  
Single Mode ◽  
Single Mode Fiber ◽  
High Power Laser ◽  
Power Laser ◽  
Pure Silica ◽  
Silica Core

Long-term reliability of single-mode fibers when exposed to high-power laser light

2005 ◽  
Vol 23 (9) ◽  
pp. 2713-2718
Author(s):  
C. Fukai ◽  
K. Kurokawa ◽  
K. Tajima ◽  
K. Nakajima ◽  
I. Sankawa ◽  
...  
Keyword(s):  
High Power ◽  
Laser Light ◽  
Single Mode ◽  
High Power Laser ◽  
Power Laser

Discussion about the Information Management and the Intellectualization of Unattended Substation

2011 ◽  
Vol 317-319 ◽  
pp. 1353-1356
Author(s):  
Yu Shu Li ◽  
Zhi Hong Guo ◽  
Guang Ming Yi
Keyword(s):  
Information Management ◽  
Communication Technology ◽  
Computer Technology ◽  
Power Supply ◽  
Power Supply System ◽  
Supply System ◽  
Remote Measurement ◽  
Long Distance ◽  
Profound Influence ◽  
Operational Guidance

Carry on unattended substation at the voltage of 220kV and the following is a technological innovation which having the profound influence to the current power supply system, is also the most important technology safeguard measure of the downsizing for efficiency in the power supply system. Along with the development of modern communication technology, computer technology, network technology, automatic control technology, image technology, monitoring technology and weak electricity integration technology, we had already realized the image and the sound signal's digitization, the audio and video signal's processing and the long-distance transmission. To the substation, besides the remote measurement, the remote signaling, the remote control, and the remote regulating functions which have already realized, the remote monitoring has also increased which called “five remote”. The “five remote” caused unattended substation become the reality and give a higher request to the information management and the intellectualization simultaneously. According to many years unattended substation's operational guidance experience, I proposed my ideas about the information management and the intellectualization of unattended substation, I hope that it is helpful to the promotion of the unattended substation.

High power IGBT bridge application for the harmonic suppression on the load side of the power supply system of the Spanish Stellarator TJ-II

2005 ◽  
Vol 75-79 ◽  
pp. 123-126 ◽  
Author(s):  
P. Méndez ◽  
I. Kirpitchev ◽  
M. Blaumoser ◽  
M. Visiers ◽  
A. Agudo ◽  
...  
Keyword(s):  
High Power ◽  
Power Supply ◽  
Power Supply System ◽  
Supply System ◽  
Harmonic Suppression
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