Zobrazeno 1 - 10
of 1 759
pro vyhledávání: '"Ultrafast lasers"'
Autor:
Saeid Ebrahimzadeh, Sakib Adnan, Yishen Li, Vito F Pecile, Jakob Fellinger, Sarper Salman, Christoph M Heyl, Ingmar Hartl, Oliver H Heckl, Gil Porat
Publikováno v:
JPhys Photonics, Vol 6, Iss 2, p 02LT01 (2024)
Applications of mode-locked fiber lasers benefit from robust and self-starting mode-locking, spectral tuning, high pulse energy and high average power. All-polarization-maintaining (PM) fiber lasers mode-locked with a phase-biased nonlinear amplifyin
Externí odkaz:
https://doaj.org/article/2210aa9949374bfa9e9ef4c7584e785a
Autor:
Yaoyao Qi, Qixing Yu, Wei Sun, Yaqing Gao, Yu Zhang, Zhenxu Bai, Jie Ding, Bingzheng Yan, Yulei Wang, Zhiwei Lu, Dapeng Yan
Publikováno v:
Photonics, Vol 11, Iss 6, p 534 (2024)
This study reports new types of passive mode-locked Er-doped fiber laser (EDFL) based on a segment of doped fiber saturable absorber (DFSA) with Tm/Ho-doped fiber (THDF), Yb-doped fiber (YDF), and Er-doped fiber (EDF). By employing THDF-SA, a bright
Externí odkaz:
https://doaj.org/article/c9a2cd50c2314b819b38be2d3e8e11f4
Autor:
Chenyang Gao, Yang Gui, Yandang Wang, Xianming Zhang, Gengji Zhou, Meng Pang, Jianwu Ding, Yuxin Leng
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 4, Pp 1-5 (2023)
In this submission, we report a maximum 638-W fiberized chirped-pulse-amplification (CPA) laser system with a bulk reflection grating compressor. The system is able to emit 338-W compressed pulses of 624 fs centered at 1 µm, corresponding to a pulse
Externí odkaz:
https://doaj.org/article/3d144e78c47149a1a36e2c1ae5aef4ff
Akademický článek
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Publikováno v:
PhotoniX, Vol 3, Iss 1, Pp 1-23 (2022)
Abstract Ultrafast Raman fiber laser has been proved to be an effective method to obtain ultrafast optical pulses at special wavelength. Yet, compared with conventional rare-earth doped counterparts, it is challenging for Raman fiber lasers to genera
Externí odkaz:
https://doaj.org/article/dd57cb9df1ed456a925f55b2f4001f85
Publikováno v:
Advanced Physics Research, Vol 2, Iss 4, Pp n/a-n/a (2023)
Abstract As one of the most fascinating phenomena in dissipative systems, soliton explosions have been intensively investigated in the field of nonlinear optics owing to their intriguing dynamics. However, few efforts have been dedicated to precisely
Externí odkaz:
https://doaj.org/article/9c6340c4f7ba4737b3f093d326f795c9
Autor:
I. Tiliouine, G. Granger, C.E. Jimenez-Durango, Y. Leventoux, B. Wetzel, V. Couderc, S. Février
Publikováno v:
Results in Physics, Vol 47, Iss , Pp 106326- (2023)
We report on the generation of two-octave mid-infrared supercontinuum in stock, unprocessed, large core chalcogenide fiber pumped by a fiber-based laser delivering 35 kW, 180 fs pulses at 4.53 μm.
Externí odkaz:
https://doaj.org/article/85513a5a29c445b895af500c23c823b1
Autor:
Li Genglin, Du Wenhui, Sun Shuo, Lu Qingming, Chen Zhixiang, Liu Hongliang, Ma Yandong, Sun Xiaoli, Jia Yuechen, Chen Feng
Publikováno v:
Nanophotonics, Vol 11, Iss 14, Pp 3383-3394 (2022)
Two-dimensional (2D) ternary transition-metal dichalcogenides (TMDCs) are of great research interest because their superior layer-dependent optical modulation properties. In this work, three different kinds of TMDC nanosheets, including hafnium disel
Externí odkaz:
https://doaj.org/article/83aa7954209f499880358c656477f8f0
Autor:
Caterina Gaudiuso, Annalisa Volpe, Francesco Paolo Mezzapesa, Carmine Putignano, Antonio Ancona
Publikováno v:
Micromachines, Vol 15, Iss 1, p 7 (2023)
The modification of the surface topography at the micro- and nanoscale is a widely established as one of the best ways to engineering the surface of materials, to improve the tribological performances of materials in terms of load capacity and fricti
Externí odkaz:
https://doaj.org/article/e027c5f3810e48b59384093fa069c287
Autor:
Ebenezer Owusu-Ansah, Colin Dalton
Publikováno v:
Micromachines, Vol 14, Iss 11, p 2071 (2023)
Femtosecond laser material processing (FLMP) was used to make an X-ray mask in a 500 µm thick tungsten sheet without the use of any chemical etch methods. The laser produced an 800 nm wavelength at a 1 kHz repetition rate and a pulse width of 100 fs
Externí odkaz:
https://doaj.org/article/0b7abf2f2078440fa8bc0d548ed3c341