Results 231 to 240 of about 10,599,323 (287)

Wavelength-Tunable, Low-Angular Dispersion, and Narrowband Thermal Emitters by Incorporating Ge₂Sb₂Te₅ Layer into Grating-Assisted Multilayered Structures. [PDF]

ACS Appl Mater Interfaces
Chang YW, Ho PW, Hsiao HH.
europepmc   +1 more source

Ultrawide-FOV full-color waveguides free of rainbow and fishbone artifacts via physics-constrained generative metagrating design. [PDF]

Sci Adv
Wang M, Li Y, Li H, Wu F, Yu Z, Xia H, Zhang Q, Zhang C, Liu Y, Xie H, Wang C, Zheng Z.   +11 more
europepmc   +1 more source

Dynamic control of laser driven electron acceleration in a photonic structure using programmable optical pulses. [PDF]

Nat Commun
Crisp S, England RJ, Ody A, Musumeci P.
europepmc   +1 more source

Angle-based fluorescence thermometry with high sensitivity and high resolution. [PDF]

Nat Commun
Zhou X, Xu K, Li Z, Dong Y, Chao J, Zhai Y, Jin Y, Xu S, Wang M.   +8 more
europepmc   +1 more source

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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, Vikram Bhatia, Ashish M Vengsarkar   +2 more
exaly   +3 more sources

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
Byoung-Yoon Kim, I K Hwang, In Kag Hwang
exaly   +3 more sources

Arc-Induced Long-Period Gratings

Fiber and Integrated Optics, 2005
Abstract The electric arc technique allows the inscription of long-period gratings (LPGs) virtually in all types of fibers, including non-photosensitive fibers, the case of non-Ge–doped photonic crystal fibers being of particular interest. LPGs written in standard fibers using this technique have shown a high thermal stability.
Gaspar Rego, José Luís Santos, Paulo V. S. Marques   +2 more
exaly   +2 more sources