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Polarization full feedback external cavity of open loop spectral beam combining based on multi-single emitters laser diode: 《Chinese Optics Letters》2024年第5期80-84,共5页胡满张伟桥曹澎李彤彤周旭彦郑婉华; This work was supported by the Key Technology Research and Development Program of Shandong(Nos.2022CXGC020104 and 2023ZLYS03);the Key-Area Research and Development Program of Guangdong Province(No.2020B090922003).; In this paper,a spectral beam combining(SBC)structure of multi-single emitters laser diode based on a polarization full feedback(PFF)external cavity is proposed and demonstrated.The maximum combining efficiency is 75....; 关键词：diode laser spectral beam combining high efficiency degree of polarization external cavity feedback

Fabrication of side pump combiners when pumping with a laser diode and a fiber laser被引量：1: 《Chinese Optics Letters》2022年第2期67-72,共6页Zhixian Li Min Fu Xiaofan Zhao Hongye Li Zilun Chen Zefeng Wang Jinbao Chen; Side pumping combiners are widely used in fiber laser schemes for their high coupling efficiency, low insertion loss, and multi-point pumping capability. However, side pumping combiners perform differently in coupling...; 关键词：side pumping fiber laser fiber combiner

Miniature optical force levitation system被引量：3: 《Chinese Optics Letters》2022年第1期180-185,共6页Junji Pu Kai Zeng Yulie Wu Dingbang Xiao; supported by the National Natural Science Foundation of China (No. 51975579); Optical levitation technology is a new levitation technology for trapping micro/nano-particles.By taking advantage of the mechanical effect of light,it has the characteristics of non-contact and high sensitivity.Howev...; 关键词：optical levitation system laser diode elliptical Gaussian beam quadrant photoelectric detector MEMS particles cavity

Reduced threshold current density of GaN-based green laser diode by applying polarization doping p-cladding layer: 《Chinese Optics Letters》2021年第12期45-50,共6页Lingrong Jiang Jianping Liu Lei Hu Liqun Zhang Aiqin Tian Wei Xiong Xiaoyu Ren Siyi Huang Wei Zhou Masao Ikeda Hui Yang; supported by the National Natural Science Foundation of China(Nos.61834008,61574160,61804164;61704184);National Key Research and Development Program of China(Nos.2017YFE0131500 and2017YFB0405000);Natural Science Foundation of Jiangsu Province(No.BK20180254);China Postdoctoral Science Foundation(No.2018M630619)。; Absorption induced by activated magnesium(Mg)in a p-type layer contributes considerable optical internal loss in Ga Nbased laser diodes(LDs).An LD structure with a distributed polarization doping(DPD)p-cladding layer(...; 关键词：polarization doping internal loss GaN laser diode

Narrow vertical beam divergence angle for display applications of 645 nm lasers被引量：2: 《Chinese Optics Letters》2021年第10期44-48,共5页Yufei Jia Yufei Wang Xuyan Zhou Linhai Xu Pijie Ma Jingxuan Chen Hongwei Qu Wanhua Zheng; supported in part by the National Key R&D Program of China(Nos.2016YFB0401804 and 2016YFA0301102);the National Natural Science Foundation of China(Nos.91850206 and 62075213)。; We design a 645 nm laser diode(LD)with a narrow vertical beam divergence angle based on the mode expansion layer.The vertical beam divergence of 10.94°at full width at half-maximum is realized under 1.5 A continuous-...; 关键词：beam divergence laser diode SPECKLE laser display

SNR improvement of 8.2 dB in a self-mixing laser diode interferometer by using the difference signal at the output mirrors[Invited]被引量：1: 《Chinese Optics Letters》2021年第9期109-115,共7页Silvano Donati Michele Norgia; At the mirrors of a laser diode self-mixing interferometer,the output beams carry anti-correlated(i.e.f in phase opposition)interferometric signals,whereas the superposed noise fluctuations are(partially)correlated.Th...; 关键词：INTERFEROMETRY SELF-MIXING noise laser diodes

Compact long-working-distance laser-diode-based photoacoustic microscopy with a reflective objective: 《Chinese Optics Letters》2021年第7期56-61,共6页Lijun Deng Qi Chen Yang Bai Guodong Liu Lüming Zeng Xuanrong Ji; supported by the Guangdong Province Introduction of Innovative R&D Team (No.2016ZT06G375);National Natural Science Foundation of China (Nos.11664011,51975131, 11804059, and 51805097);Natural Science Foundation of Jiangxi Province (No.20171ACB20027);2017 Hongcheng Plan of Nanchang Yangshen Electronic Technologies Co.,Ltd。; Photoacoustic microscopy(PAM) has quickly developed into a noninvasive biomedical imaging technique to achieve detection, diagnosis, and monitoring.Compared with Q-switched neodymium-doped yttrium aluminum garnet or o...; 关键词：photoacoustic microscopy long working distance laser diode reflective objective

Laser diode partially end-pumped electro-optically Q-switched Yb:YAG slab laser被引量：4: 《Chinese Optics Letters》2019年第11期58-60,共3页Qian Gao Hengli Zhang Javed Fayyaz; supported by the National Key R&D Program of China(No.2017YFB0405100); A laser diode partially end-pumped, electro-optically Q-switched, Yb:Y3Al5O12(Yb:YAG) slab laser was reported. We obtained output energy of 14.6 mJ/pulse with a pulse width of 30 ns at a repetition frequency of 2 k Hz...; 关键词：YB:YAG pumped switched

Experimental demonstration of underwater optical wireless power transfer using a laser diode: 《Chinese Optics Letters》2018年第8期1-5,共5页Sung-Man Kim Jongmyeong Choi Hyunwoo Jung; supported by the Kyungsung University Research Grants in 2017; We experimentally demonstrate an underwater optical wireless power transfer （OWPT） using a laser diode （LD） as a power transmitter. We investigate the characteristics of a solar cell and a photodiode （PD） as a p...; 关键词：PD LD Experimental demonstration of underwater optical wireless power transfer using a laser diode

Large-range displacement measurement using sinusoidal phase-modulating laser diode interferometer: 《Chinese Optics Letters》2017年第10期56-60,共5页Ming Zhang Chang Ni Yu Zhu Leijie Wang Chuxiong Hu Jinchun Hu; supported by the National Natural Science Foundation of China under Grant No.51475262; A signal processing method of realizing a large-range displacement measurement in a sinusoidal phase- modulating laser diode interferometer is proposed. The method of obtaining the dynamic value of the effective sinus...; 关键词：Large-range displacement measurement using sinusoidal phase-modulating laser diode interferometer

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