Results 291 to 300 of about 382,121 (363)

Breakpoint and Moisture Detection Method Based on Distributed Brillouin Optical Fiber Built in Buffer Layer of High-Voltage XLPE Cable

IEEE Sensors Journal
In recent years, the water-blocking tape in high-voltage (HV) crosslinked polyethylene (XLPE) cable has suffered from penetrating moisture frequently, which affects its safe and stable operation, while there are no effective detection methods yet.
Yanting Cheng, Y. Hao, Qishun Li, B. Hui, Wanxing Tian, Haotian Tan, Linhao Chen, Licheng Li   +7 more
semanticscholar   +1 more source

Distributed Optical Fiber Detection Based on BOTDR for Buffer Layer Defects of High-Voltage XLPE Cable With Corrugated Aluminum Sheath

IEEE transactions on dielectrics and electrical insulation
In recent years, buffer layer defects have occurred in high-voltage (HV) crosslinked polyethylene (XLPE) cable frequently, which affects its safe and stable operation, while there are no effective detection methods yet.
Yanting Cheng, Y. Hao, Wanxing Tian, Peng Zhao, Haotian Tan, Qishun Li, Licheng Li   +6 more
semanticscholar   +1 more source

Efficient Designs of Optical LIFO Buffer with Switches and Fiber Delay Lines

IEEE Transactions on Communications, 2011
The lack of optical buffer is still one of the main problems that hinder the development of all optical networks. Current works on this topic mainly focus on the emulation of optical buffers based on a combination of fiber delay line (FDL) and switch. These works have demonstrated the feasibility of FDL-based emulation for many kinds of optical buffers,
X. Wang, X. Jiang, PATTAVINA, ACHILLE
openaire   +3 more sources

Effect of buffer coating on static fatigue of optical fibers in bending

Optical Fiber Communication, 1987
An important concern in achieving long service lifetime of optical fibers, particularly in adverse environments, is their susceptibility to mechanical failure by static fatigue. This phenomenon of delayed fracture is believed to be caused by the growth over time of microscopic surface flaws into larger critical flaws.
Lee M. Middleman, Daniel R. Roberts, Enrique Cuellar   +2 more
openaire   +2 more sources

Fiber optic loop buffer switch incorporating 3R regeneration

Optical and Quantum Electronics, 2011
In this paper, an all-optical regenerator based, photonic packet switch architecture, which consists of fiber loop for the storage of the contending packets, is proposed. In the loop buffer, the available buffer space may not be fully utilized due to the re-circulation limit (maximum number of re-circulations that data can take before it can be ...
Rajiv Srivastava, Rajiv Srivastava, Yatindra Nath Singh   +2 more
openaire   +2 more sources

Design Optimization of Pd-Coated Side-Polished Single Mode Optical Fiber Hydrogen Sensors

IEEE Sensors Journal, 2018
Palladium (Pd)-based optical fiber sensors exhibit large sensitivity to detect hydrogen. We performed design study on Pd-coated side-polished optical fiber sensors using modal approach.
M. Singh, Santosh Kumar Chaurasia
semanticscholar   +1 more source

Fast Light in Optical Fiber for Trap-Door Data Buffering

Advances in Optical Sciences Congress, 2009
Constraints encountered in data-buffering via slow light are circumvented by using a trap-door technique based on fast light. We will describe the model and our experimental efforts to realize this buffer using Brillouin gain in optical fiber. Article not Available.
Selim M. Shahriar, Honam Yum
openaire   +2 more sources

Buffering effect of fiber coating and its influence on the proof test load in optical fibers

Applied Optics, 1990
The tensile force experienced by a coated glass fiber during proof testing is applied to the coating and, therefore, may be reduced because of the buffering effect of the coating. In this study such an effect is evaluated on the basis of an analytical stress model.
openaire   +3 more sources

Fabrication of fiber optic Bragg gratings: effect of ultraviolet light absorption by the fiber buffer

SPIE Proceedings, 2000
Fiber-optic Bragg gratings are fabricated in hydrogen-loaded communications-grade optical fibers using 244 nm continuous wave light. The fiber-buffer is only partially stripped to allow the ultraviolet grating writing beam to enter the fiber. This light is completely absorbed by the buffer behind the fiber. The absorption of ultraviolet light by the
Anup Sharma, Y. Wang, Joseph Grant
openaire   +2 more sources

Single-photon buffer at a telecommunication wavelength using a fiber-optic switch

2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2017
We demonstrated an efficient fiber-optic single-photon buffer (SPB) at 1550 nm. The SPB can control and give discrete time delays to a single-photon. Moreover the SPB is passively polarization-stable, and consequently the polarization-based quantum state of light can be maintained.
Akiko Tada, Shuichiro Inoue, Naoto Namekata   +2 more
openaire   +2 more sources