DIFFRACTIVE

作品数：124被引量：285H指数：12
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Diffraction deep neural network-based classification for vector vortex beams
《Chinese Physics B》2024年第3期387-392,共6页彭怡翔 陈兵 王乐 赵生妹 
Project supported by the National Natural Science Foundation of China(Grant Nos.62375140 and 62001249);the Open Research Fund of National Laboratory of Solid State Microstructures(Grant No.M36055).
The vector vortex beam(VVB)has attracted significant attention due to its intrinsic diversity of information and has found great applications in both classical and quantum communications.However,a VVB is unavoidably a...
关键词：vector vortex beam diffractive deep neural network classification atmospheric turbulence 
Active control of surface plasmon polaritons with phase change materials
《Chinese Physics B》2023年第10期428-432,共5页漆元臻 蒋瞧 向红 韩德专 
Active control of surface plasmon polaritons(SPPs)is highly desired for nanophotonics.Here we employ a phase change material Ge_(2)Sb_(2)Te_(5)(GST)to actively manipulate the propagating direction of SPPs at the telec...
关键词：surface plasmon polaritons phase change materials direction control non-diffractive 
Single-shot phase-shifting digital holography with a photon-sieve-filtering telescope
《Chinese Physics B》2019年第8期156-159,共4页You Li Yao-Cun Li Jun-Yong Zhang Yan-Li Zhang Xue-Mei Li 
Project supported by the Youth Innovation Promotion Association of the Chinese Academy of Sciences(Grant No.2017292);the National Natural Science Foundation of China(Grant No.61775222);the Zhejiang Provincial Natural Science Foundation of China(Grant No.LQ16A050001)
A method of single-shot phase-shifting digital holography with a photon-sieve-filtering telescope is proposed.Three copy images with different phases are first generated by use of a monofocal photon-sieve filter in Ke...
关键词：digital HOLOGRAPHY phase shift DIFFRACTIVE lenses frequency FILTERING 
Characterization of focusing performance of spiral zone plates with fractal structure
《Chinese Physics B》2019年第6期184-188,共5页Hua-Ping Zang Cheng-Long Zheng Zi-Wen Ji Quan-Ping Fan Lai Wei Yong-Jie Li Kai-Jun Mu Shu Chen Chuan-Ke Wang Xiao-Li Zhu Chang-Qing Xie Lei-Feng Cao Er-Jun Liang 
Project supported by the National Natural Science Foundation of China(Grant Nos.11404290 and 61505178);the Major National Scientific Instruments Developing Special Project(Grant No.2012YQ130125);the Postdoctoral Science Foundation of Henan Province,China(Grant No.2013008);the Program for Science&Technology Innovation Talents in Universities of Henan Province,China(Grant No.172102210481);the Key Scientific Research Projects in Universities of Henan Province,China(Grant No.19B140005)
We propose an efficient method of generating a vortex beam with multi-foci by using a fractal spiral zone plate(FSZP), which is designed by combining fractal structure with a spiral zone plate(SZP) in the squared radi...
关键词：OPTICAL VORTICES SPIRAL ZONE PLATE DIFFRACTIVE OPTICAL elements 
Experimental investigation on partially coherent higher-order non-diffractive beams被引量：2
《Chinese Physics B》2011年第9期204-210,共7页陈光明 华黎闽 林惠川 蒲继雄 
Project supported by the National Natural Science Foundation of China (Grant No.60977068);the Foundations of the State Key Laboratory for Transient Optical and Photonic Technology of Chinese Academy of Sciences (Grant No.SKL ST200912)
We experimentally study the generation of a partially coherent non-diffractive beam by focusing a partially coherent vortex beam with an axieon. The investigation results show that when the partially coherent vortex b...
关键词：physical optics higher-order non-diffractive Bessel beam AXICON partially coherence 
Compound diffractive telescope system:design,stray light analysis,and optical test被引量：2
《Chinese Physics B》2010年第1期234-240,共7页岳巾英 刘华 卢振武 许文斌 张虎 张红鑫 刘英 
Project supported by the National High Technology Research and Development Program of China (Grant No. 2006AA12Z127);the National Natural Science Foundation of China (Grant No. 10704072);the Innovation Program of Chinese Academy of Sciences
The compound diffractive telescope is a novel space optical system which combines the structure of compound eyes with diffractive optics and so it has a lighter weight, a wider field of view （FOV）, a lower cost as w...
关键词：lens system design compound eyes structure diffractive lens stray light 
Diffractive characteristics of the liquid crystal spatial light modulator被引量：3
《Chinese Physics B》2007年第6期1665-1671,共7页曹召良 穆全全 胡立发 刘永刚 宣丽 
Project supported by the National Natural Science Foundation of China （Nos 60578035, 50473040） and the Science Foundation of Jilin Province （Nos 20050520, 20050321-2）.
The liquid crystal spatial light modulator （LC SLM） is very suitable for wavefront correction and optical testing and can produce a wavefront with large phase change and high accuracy. The LC SLM is composed of thou...
关键词：liquid crystal spatial light modulator diffraction efficiency PIXEL WAVEFRONT 
A new distribution scheme of decryption keys used in optical verification system with multiple-wavelength information被引量：2
《Chinese Physics B》2005年第10期1996-2003,共8页牛春晖 张岩 顾本源 
A new distribution scheme of decryption keys used in optical verification systems is proposed. The encryption procedure is digitally implemented with the use of an iteration algorithm in computer. Three target images ...
关键词：optical encryption technique multiple-wavelength information diffractive optical system 
Application of an approximate vectorial diffraction model to analysing diffractive micro-optical elements被引量：1
《Chinese Physics B》2005年第6期1136-1141,共6页牛春晖 李志远 叶佳声 顾本源 
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