SELF-IMAGING

作品数:15被引量:20H指数:3
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Mismatch analysis of all-fiber coherent beam combiners based on the self-imaging effect
《High Power Laser Science and Engineering》2024年第2期1-15,共15页Yuefang Yan Yu Liu Haoyu Zhang Yuwei Li Chao Guo Qiang Shu Wenhui Huang Feng Jing Rumao Tao 
All-fiber coherent beam combiners based on the self-imaging effect can achieve a near-perfect single laser beam,which can provide a promising way to overcome the power limitation of a single-fiber laser.One of the key...
关键词:ALL-FIBER coherent beam combination mismatch analysis SELF-IMAGING 
Directly and instantly seeing through random diffusers by self-imaging in scattering speckles
《PhotoniX》2023年第1期674-687,共14页Jietao Liu Wenhong Yang Guofeng Song Qiaoqiang Gan 
Imaging through scattering medium is challenging but important for different applications.Most advances rely on computational image reconstruction from scattering signals.In these conventional investigations,speckles ...
关键词:speckle RANDOM INSTANT 
Principle and numerical demonstration of high power all-fiber coherent beam combination based on self-imaging effect in a square core fiber被引量:4
《Photonics Research》2022年第2期444-455,共12页Yuefang Yan Yu Liu Haoyu Zhang Yue Li Yuwei Li Xi Feng Donglin Yan Jianjun Wang Honghuan Lin Feng Jing Wenhui Huang Rumao Tao 
National Key Research and Development Program of China (2017YFB1104401);National Natural Science Foundation of China (61905226)。
The self-imaging effect in a square core fiber has been investigated, and an integrated all-fiber combiner has been proposed based on a large mode area double clad fiber, which can be employed to construct high power ...
关键词:FIBER power beam 
Temporal Airy–Talbot effect in linear optical potentials被引量:1
《Chinese Optics Letters》2021年第8期105-110,共6页Tianwen Han Hao Chen Wenwan Li Bing Wang Peixiang Lu 
supported by the National Natural Science Foundation of China(Nos.11674117 and 11974124)。
We investigate the Airy–Talbot effect of an Airy pulse train in time-dependent linear potentials.The parabolic trajectory of self-imaging depends on both the dispersion sign and the linear potential gradient.By impos...
关键词:Airy pulse Talbot and self-imaging effect DISPERSION linear potential 
Subwavelength self-imaging in cascaded waveguide arrays被引量:5
《Advanced Photonics》2020年第3期29-34,共6页Wange Song Hanmeng Li Shenglun Gao Chen Chen Shining Zhu Tao Li 
The authors acknowledge the financial support from the National Key R&D Program of China(2017YFA0303701,2016YFA0202103);National Natural Science Foundation of China(91850204,11674167).Tao Li acknowledges support from Dengfeng Project B of Nanjing University.The authors have no conflicts of interest to disclose.
Self-imaging is an important function for signal transport,distribution,and processing in integrated optics,which is usually implemented by multimode interference or diffractive imaging process.However,these processes...
关键词:SELF-IMAGING resolution limit silicon waveguide array photonic integration 
Nonuniform self-imaging of achromatic Talbot lithography被引量:2
《Chinese Optics Letters》2019年第6期75-79,共5页Huijuan Xia Shumin Yang Liansheng Wang Jun Zhao Chaofan Xue Yanqing Wu Renzhong Tai 
supported by the National Key R&D Program of China(No.2017YFA0206001);the National Natural Science Foundation of China(Nos.11505275,51705369,11275255,11475251,and 11875314);the Shanghai Science and Technology Commission Research Projects(No.17JC1400802)
Achromatic Talbot lithography(ATL)with high resolution has been demonstrated to be an excellent technique for large area periodic nano-fabrication.In this work,the uniformity of pattern distribution in ATL was studied...
关键词:ACHROMATIC Talbot LITHOGRAPHY HAS been demonstrated NONUNIFORM PATTERN distribution 
Simple phase extraction in x-ray differential phase contrast imaging
《Chinese Physics B》2016年第2期563-567,共5页刘鑫 郭金川 雷耀虎 李冀 牛憨笨 
Project supported by the National Natural Science Foundation of China(Grant Nos.61101175,61571305,and 61227802)
A fast and simple method to extract phase-contrast images from interferograms is proposed, and its effectiveness is demonstrated through simulation and experiment. For x-ray differential phase contrast imaging, a stro...
关键词:x-ray imaging x-ray interferometry Talbot and self-imaging effects phase contrast imaging 
Diffractive self-imaging based on selective etching of a ferroelectric domain inversion grating被引量:1
《Chinese Optics Letters》2015年第2期9-12,共4页陈云琳 范天伟 曼佟 
supported by the National Natural Science Foundation of China(No.61178052);the Ph.D. Programs Foundation of the Ministry of Education of China(No.20130009110008)
A hexagonal array grating based on selective etching of a 2D ferroelectric domain inversion in a periodically poled Mg O-doped Li Nb O3 crystal is fabricated. The effects to the diffractive self-imaging as a function ...
关键词:Diffraction gratings ETCHING Ferroelectric materials 
Coherent beam combination of fiber lasers with a strongly confined tapered self-imaging waveguide:theoretical modeling and simulation被引量:3
《Photonics Research》2013年第4期186-196,共11页Rumao Tao Xiaolin Wang Hu Xiao Pu Zhou Lei Si 
Innovation Foundation for Excellent Graduates in National University of Defense Technology under grant B120704.
Coherent beam combination(CBC)of fiber lasers based on self-imaging properties of a strongly confined tapered waveguide(SCTW)is studied systematically.Analytical formulas are derived for the positions,amplitudes,and p...
关键词:WAVEGUIDE fiber BEAM 
Compact beam splitters based on self-imaging phenomena in one-dimensional photonic crystal waveguides
《Chinese Optics Letters》2012年第11期28-31,共4页陈兵 黄琳 李永东 刘纯亮 刘贵忠 
supported by the National Natural Science Foundation of China(No.61007027);the Fundamental Research Funds for Central Universities,China
A fundamental 1× 2 beam splitter based on the self-imaging phenomena in multi-mode one-dimensional (1D) photonic crystal (PC) waveguides is presented, and its transmission characteristics are investigated using t...
关键词:Finite difference time domain method Frequency bands Laser optics Optical instruments Optical waveguides Photonic crystals Structural optimization Time domain analysis WAVEGUIDES 
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