Results 61 to 70 of about 75,635 (165)

Multi-element fiber for space-division multiplexed optical communication system [PDF]

, 2014
This paper reviews a novel approach of implementing space-division multiplexing (SDM) based on Multi-element Fiber (MEF) technology. The MEF geometry provides for ultra-low crosstalk between the spatial channels while full compatibility with standard WDM
J. K. Sahu, D. J. Richardson, May-Smith, T.C., Petropoulos, P., Jain, S., Richardson, D.J., V. J. F. Rancano, T. C. May-Smith, P. Petropoulos, S. Jain, Rancaño, V.J.F., Sahu, J.K.   +11 more
core   +1 more source

Design of All-Solid Dual-Concentric-Core Microstructure Fiber for Ultra-Broadband Dispersion Compensation

Applied Sciences, 2019
In this paper, the all-solid dual-concentric-core microstructure fiber (MSF) with ultra-broadband dispersion compensation characteristics is designed. The effects of microstructure fiber structure parameters on dispersion, phase-matching wavelength, and ...
Chao Wang, Yajing Zhang, Zheng Wu, Guoxu Zhang, Yiyang Zhang, Linghong Jiang   +5 more
doaj   +1 more source

Single-mode sapphire fiber Bragg grating

, 2021
We present here the inscription of single-mode waveguides with Bragg gratings in sapphire. The waveguide Bragg gratings have a novel multi-layer depressed cladding design in the 1550 nm telecommunications waveband.
Stephen M. Morris (1665655), Patrick S. Salter (3959471), Adrian Shipley (11688154), Martin J. Booth (3957014), Mohan Wang (4609120), Frank P. Payne (14411679), Julian A. J. Fells (14411682)   +6 more
core   +1 more source

Quasi-single mode operated few-mode fiber for distributed acoustic sensing

, 2019
We experimentally report a proof-of-concept demonstration of a few-mode fiber (FMF) based distributed acoustic sensor (DAS) design, aiming at upgrading the capabilities of the typical DAS that employs the standard single mode fiber (SMF).
Frode Hveding, Muhammad Arsalan, Yuan Mao, Ashry, Islam, Ng, Tien Khee, Hveding, Frode, Boon S. Ooi, Mao, Yuan, Ooi, Boon S., Islam Ashry, Arsalan, Muhammad, Tien Khee Ng   +11 more
core   +1 more source

Welding with high power fiber lasers - A preliminary study. [PDF]

, 2007
The new generation of high power fiber lasers presents several benefits for industrial purposes, namely high power with low beam divergence, flexible beam delivery, low maintenance costs, high efficiency and compact size.
Costa, A., Miranda, R., Kong, C. J., Quintino, Luísa, Yapp, David, Kumar, Vinod   +5 more
core   +1 more source

Single-mode fiber length for wavefront filtering

, 2008
Stellar nulling interferometry offers the possibility of direct imaging of extrasolar planets necessary for the detection of extra-terrestrial life. Achieving optimum performance from the interferometers requires that the wavefronts of light reaching the
Dasgupta, Sonali, Broderick, N.G.R., Richardson, D.J.   +2 more
core  

56W frequency doubled source at 530 nm pumped by a single-mode single-polarization picosecond Yb³⁺-doped fiber MOPA [PDF]

, 2010
We report a frequency doubled green source at 530nm pumped based on an all-fiber, picosecond, single polarization Yb3+-doped fiber MOPA delivering 20ps pulses at user selectable repetition rates of up to 910MHz and an average output power in excess of ...
Chen, Kang Kang, Alam, Shaif U., Lin, Dejiao, Mc Bride, Roy, Hall, D.W., Price, J. H V, McBride, R., Richardson, D.J., Baker, Howard J., Richardson, David J., Baker, H.J., Malinowski, A., Hayes, John R., Alam, S.-U., Price, J.H.V., Malinowski, Andrew, Hall, Dennis, Hayes, J.R.   +17 more
core   +1 more source

Stress test and analysis based on SMS fiber structure with high sensitivity

Journal of Measurement Science and Instrumentation, 2016
Single mode-multimode-single mode（SMS）sensor is widely used for parameters measurement,such as bending,displacement,temperature,strain,refractive index,etc.Generally,SMS sensor has advantages of simple structure,low cost and easy layout,therefore it has ...
ZHANG Mei-qin, WANG Guan-jun, AN Yong-quan, WANG Zhi-bin   +3 more
doaj  

In-Line Fiber Optic Interferometric Sensors in Single-Mode Fibers

Sensors, 2012
In-line fiber optic interferometers have attracted intensive attention for their potential sensing applications in refractive index, temperature, pressure and strain measurement, <em>etc</em>.
De-Wen Duan, Min Liu, Di Wu, Tao Zhu
doaj   +1 more source

Multi-channel fiber-optic temperature sensor system using an optical time-domain reflectometer

Results in Physics, 2018
In this study, we developed a multi-channel fiber-optic temperature sensor system (FTSS) using an optical time-domain reflectometer (OTDR). The developed FTSS consists of fiber-optic temperature-sensing probes, a fiber-optic coupler, a transmitting ...
H.J. Kim, H. Byun, Y.B. Song, S.H. Shin, S. Cho, C.H. Pyeon, B. Lee   +6 more
doaj   +1 more source