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| 1 | Enhancement of second-order harmonic generation in polarized BaTiO_3 thin films embedded with Ag nanoparticles显示文摘RECENTLY, much attention has been paid to optical properties of ferroelectric thin films. Be- | ZHOU Ji, LI Longtu, GUI Zhilun, ZHANG Xiaowen, K. M. Moulding and D. J. Barber1 Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China 2 Department of Physics, The Hong Kong University of Science and Technology, Hong Kong, China | 1997 | Chinese Science Bulletin1997，42，15： | 2 |
| 2 | Effective suppression of the photodarkening effect in high-power Yb-doped fiber amplifiers by H2 loading显示文摘The radical suppression of the photodarkening effect and laser performance deterioration via H2 loading were demonstrated in high-power Yb-doped fiber(YDF)amplifiers.The photodarkening loss at equilibrium was114.4 d B/m at 702 nm in the pristine fiber,while it vanished in the H2-loaded fiber.To obtain a deeper understanding of the impact of photodarkening on laser properties,the evolution of the mode instability threshold and output power in fiber amplifiers was investigated.After pumping for 300 min,the mode instability threshold of the pristine fiber dropped from 770 to 612 W,and the periodic fluctuation of the output power became intense,finally reaching 100 W.To address the detrimental effects originating from photodarkening,H2 loading was applied in contrast experiments.The output power remained stable,and no sign of mode instability was observed in the H2-loaded fiber.Moreover,the transmittance at 638 nm confirmed the absence of the photodarkening effect.The results pave the way for the further development of high-power fiber lasers. | RUITING CAO GUI CHEN YISHA CHEN ZHILUN ZHANG XIANFENG LIN BIN DAI LUYUN YANG JINYAN LI | 2020 | Photonics Research2020，8，3： | 2 |
| 3 | Effects of CaF2 addition on the microstructure and microwave dielectric properties of ZnNb2O6 ceramics显示文摘 | ZHANG YINGCHUN YUE ZHENXING GUI ZHILUN | 2003 | Ceram International2003，29，： | 1 |
| 4 | Microwave dielectric properties of CuO - V2O5 - Bi2O3 - Doped ZnNb2O6 ceramics with low sintering temperature 显示文摘 | ZHANG YINGCHUN YUE ZHENXING GUI ZHILUN | 2005 | Journal of Electmceramics2005，14，： | 1 |
| 5 | Modulation effect of Mn2+on dielectric properties of Ba Ti O3-based X7R显示文摘 | Li Longtu Zhao Jianqiang Gui Zhilun | 2000 | Materials Letters2000，，： | 1 |
| 6 | Low - temperature sintering and high frequency properties of Cu- modified Co2Z hexaferrite 显示文摘 | Xiaohui Wang Longtu Li Shuiyuan Su Zhilun Gui | 2003 | J European Ceramic Society2003，23，： | 1 |
| 7 | Microstructure and densification mechanism of low temperature sintering Bi-Substituted yttrium iron garnet显示文摘 | Hongjie Zhao Ji Zhou Bo Li Zhilun Gui Longtu Li | 2008 | Journal of Electroceramics (-)2008，，1： | 1 |
| 8 | Temp raturestable Bal-xCdxTiO3 die- leetries显示文摘 | Jianquan Qi Zhilun Gui Wen Li Yongli Wang Yajing Wu Longtu Li | 2002 | Materials Letters2002，56，： | 1 |
| 9 | , Enhancement of PTCR effect of sernieonducting Ba1-xSrxTiO3 by Sb2O3 vapor显示文摘 | Jianquan Qi Zhilun Gui Yajing Wu | 2001 | Sensor and Actuators A2001，93，： | 1 |
| 10 | Enhancement of dielectric properties by additions of Ni nano-particles to a X7R-type barium titanate ceramic matrix显示文摘 | Renzheng Chen Xiaohui Wang Hai Wen Longtu Li Zhilun Gui | 2004 | Ceramics International2004，，7： | 1 |
| 11 | Low-sintering composite multilayer ceramic capacitors with X7R specification 显示文摘 | Zhilun Gui Longtu Li | 2001 | Mater Sci Eng2001，83，： | 1 |
| 12 | Influence of manganese on PTCR effect in BaTiO3-based ceramics doped with Bi2O3 vapour显示文摘 | QI Jianquan GUI Zhilun WU Yajing | 2002 | Materials Chemistry and Physics2002，，73： | 1 |
| 13 | Study on a new type of linear piezoelectric stepper motor显示文摘 | Dong Shuxiang Li Longtu Gui Zhilun | 1995 | IEEE Transactions on Components Packaging and Manufacturing Technology Part A1995，18，2： | 1 |
| 14 | Analysis of the Electrical Properties of PZT by a BP Artificial Neural Network显示文摘 | Kai Cai Juntao Xia Longtu Li Zhilun Gui | 2006 | Computational Materials Science2006，34，： | 1 |
| 15 | Study on characteristic of standing wave motors显示文摘 | Li Longtu Dong Shuxiang Gui Zhilun | 1995 | IEEE: 713-7161995，，： | 1 |
| 16 | Preparation and microwave dielectric properties of Ba4(Sm1?x Nd x )9.3Ti18O54 ceramics via a citrate sol-gel process显示文摘 | Zhenxing Yue Chengbin Qin Yingchun Zhang Fei Zhao Zhilun Gui Longtu Li | 2004 | Journal of Materials Science2004，，3： | 1 |
| 17 | Synthesis of Nanocrystalline Ferrites by Sol-gel Combustion Process:the Influence of pH Value of Solution显示文摘 | Yue Zhenxing Guo Wenyu Zhou Ji Gui Zhilun Li Longtu | 2004 | Journal of Magnetism and Magnetic Materials2004，270，： | 1 |
| 18 | Enhancement of PTCR effect of semiconducting Bal - xSrxTiO3 by Sb2O3 vapor显示文摘 | Qi Jianquan Gui Zhilun Wu Yajing | 2001 | Sensor and Actuators A2001，93，： | 1 |
| 19 | Complex Y-type hexagonal ferrites: an ideal material for high-frequency chip magnetic components 显示文摘 | Yang Bai Ji Zhou Zhilun Gui | 2003 | Journal of Magnetism and Magnetic Materials2003，264，： | 1 |
| 20 | The PTCR effect in BaTiO3 ceramics modified by donor dopant 显示文摘 | Zhilun Gui | 2002 | Ceramics International2002，28，： | 1 |
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