Results 181 to 190 of about 5,387 (233)

Twisted Fiber Bragg Gratings as a Polarization-Insensitive Element. [PDF]

Sensors (Basel)
Butov OV, Lopunov AI, Ulyanov I, Bazakutsa AP, Gomzin AB, Dolzhenko EI, Pnev AB.   +6 more
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Nanophotonic neural probes for in vivo photostimulation, electrophysiology, and microfluidic delivery. [PDF]

Microsyst Nanoeng
Mu X, Chameh HM, Movahed M, Chen F, Straguzzi JN, Kumar P, Stalmashonak A, Wahn H, Chua H, Luo X, Lo GQ, Poon JKS, Valiante TA, Sacher WD.   +13 more
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A Novel Two-Dimensional Hydrophone Based on Fiber Bragg Gratings. [PDF]

Sensors (Basel)
Chang IN, Li WC, Kuo CC, Liu WF.
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Long-period fiber gratings based on periodic microbends

Optics Letters, 1999
We demonstrate a new type of high-performance long-period fiber grating based on arc-induced periodic microbends. The fabrication method is simple and does not require special fibers. Flexibility in controlling the filter parameters makes it possible to produce arbitrary filter profiles by use of a simple apodization technique, which is difficult to do
Hwang, IK, Yun, SH, Kim, BY Kim, Byoung Yoon   +2 more
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Optical fiber long-period grating sensors

Optics Letters, 1996
We present a novel class of highly sensitive sensors based on long-period fiber gratings that can be implemented with simple and inexpensive demodulation schemes. Temperature, strain, and refractive-index resolutions of 0.65 degrees C, 65.75 micro, and 7.69 x 10(-5), respectively, are demonstrated for gratings fabricated in standard telecommunication ...
V, Bhatia, A M, Vengsarkar
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Long-period fiber grating by electrical discharge

24th European Conference on Optical Communication. ECOC '98 (IEEE Cat. No.98TH8398), 2002
Long-period gratings were manufactured by applying step by step an electric discharge through a standard telecommunication fibre. The induced perturbation was so large that less than 20 steps are necessary to obtain a coupling length.
N. Godbout, X. Daxhelet, A. Maurier, S. Lacroix   +3 more
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Long Period Fiber Gratings Inscribed by Periodically Tapering a Fiber

IEEE Photonics Technology Letters, 2014
A promising technique for inscribing long period fiber gratings (LPFGs) was demonstrated by only using a commercial splicer. The commercial splicer was developed secondarily to build up a new program for periodically tapering a single mode fiber. High-quality LPFGs with a low insertion loss of ~1 dB and a large resonant attenuation of more than -30 dB ...
Guolu Yin, Yiping Wang, Changrui Liao, Jiangtao Zhou, Xiaoyong Zhong, Guanjun Wang, Bing Sun, Jun He   +7 more
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Long-period fiber grating sensors

Optical Fiber Communications, OFC., 2005
Summary form only given. We propose novel long-period grating-based optical fiber sensors that possess high sensitivities and simple demodulation schemes, and can be easily configured for multiparameter measurements.
V. Bhatia, M.K. Burford, K.A. Murphy, A.M. Vengsarkar   +3 more
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Tunable long-period fiber grating

SPIE Proceedings, 2003
Long-period fiber grating (LPFG) having grating periodicity in the hundreds of microns, functions as a band rejection filter. This device is useful for gain equalizing applications of fiber amplifiers.The transmission characteristics are mainly determined by the initial fabricating conditions such as grating periodicity and UV exposure time. Therefore,
Hisami Nishi, Akira Matsumura, Junji Nishii   +2 more
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Long-period fiber gratings

Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides: Applications and Fundamentals, 1997
Long period fiber gratings that couple light from guided core modes to non-guided cladding modes provide a means of introducing wavelength dependent losses in optical fiber systems.1 As a result, these in-fiber devices have found use as gain-equalizers in broadband optical fiber amplifiers,2 as band-rejection filters in high-power cascaded Raman fiber ...
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