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Efficient excitations of radially and azimuthally polarized Nd 3+:YAG ceramic microchip laser by use of subwavelength multilayer concentric gratings composed of Nb2O5/SiO2

文献类型：期刊论文

作者Li Jian-Lang ; Ueda Ken-Ichi ; Zhong Lan-Xiang ; Musha Mitsuru ; Shirakawa Akira ; Sato Takashi
刊名opt. express
出版日期2008
卷号16期号:14页码:10841
关键词Axisymmetric Cylindrical vector beams Grating mirrors Laser diode (LD) Microchip lasers Multilayer gratings Nd:YAG ceramics Output couplers Sub wavelength Two types
ISSN号1094-4087
中文摘要cylindrical vector beams were produced from laser diode end-pumped nd:yag ceramic microchip laser by use of two types of subwavelength multilayer gratings as the axisymmetric-polarization output couplers respectively. the grating mirrors are composed of high- and low-refractive-index (nb2o5/sio2) layers alternately while each layer is shaped into triangle and concentric corrugations. for radially polarized laser output, the beam power reached 610mw with a polarization extinction ratio ( per) of 61: 1 and a slope efficiency of 68.2%; for azimuthally polarized laser output, the beam power reached 626mw with a per of 58: 1 and a slope efficiency of 47.6%. in both cases, the laser beams had near-diffraction limited quality. small differences of beam power, per and slope efficiency between radially and azimuthally polarized laser outputs were not critical, and could be minimized by further optimized adjustment to laser cavity and the reflectances of respective grating mirrors. the results manifested, by use of the photonic crystal gratings mirrors and end-pumped microchip laser configuration, cvbs can be generated efficiently with high modal symmetry and polarization purity. (c) 2008 optical society of america.
收录类别EI
语种英语
公开日期2009-09-18
源URL[http://ir.siom.ac.cn/handle/181231/2865]  
专题上海光学精密机械研究所_先进激光技术与应用系统实验室
推荐引用方式
GB/T 7714		 Li Jian-Lang,Ueda Ken-Ichi,Zhong Lan-Xiang,et al. Efficient excitations of radially and azimuthally polarized Nd 3+:YAG ceramic microchip laser by use of subwavelength multilayer concentric gratings composed of Nb2O5/SiO2[J]. opt. express,2008,16(14):10841, 10848.
APA Li Jian-Lang,Ueda Ken-Ichi,Zhong Lan-Xiang,Musha Mitsuru,Shirakawa Akira,&Sato Takashi.(2008).Efficient excitations of radially and azimuthally polarized Nd 3+:YAG ceramic microchip laser by use of subwavelength multilayer concentric gratings composed of Nb2O5/SiO2.opt. express,16(14),10841.
MLA Li Jian-Lang,et al."Efficient excitations of radially and azimuthally polarized Nd 3+:YAG ceramic microchip laser by use of subwavelength multilayer concentric gratings composed of Nb2O5/SiO2".opt. express 16.14(2008):10841.

入库方式： OAI收割

来源：上海光学精密机械研究所

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