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检索条件："关键词=Oscillators "
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Investigations on beam quality improvement of an NCPM-KTA-based high energy optical parametric oscillator using an unstable resonator with a Gaussian reflectivity mirror被引量：4
《Chinese Optics Letters》2022年第9期31-37,共7页Jun Meng Chen Li Zhenhua Cong Zhigang Zhao Shang Wang Gaoyou Liu Zhaojun Liu 
supported in part by the National Natural Science Foundation of China(Nos.62075116 and 62075117);Key Research Program of Shandong Province(No.2019JMRH0111);Natural Science Foundation of Shandong Province(Nos.ZR2019MF039 and ZR2020MF114);Founding for Qilu Young Scholars from Shandong University;China Postdoctoral Science Foundation(No.2021TQ0190)。
Beam quality improvements by a large margin for signal and idler beams of a high energy 100 Hz KTiOAsO_(4)(KTA)non-critical phase matching(NCPM)optical parametric oscillator(OPO)were demonstrated using an unstable res...
关键词：optical parametric oscillators unstable resonator beam quality 
Generation of high energy and good beam quality pulses with a master oscillator power amplifier被引量：2
《Chinese Optics Letters》2004年第7期399-401,共3页李志刚 Z.Xiong Nicholas Moore Chen Tao G.C.Lim 黄维玲 黄德修 
A high efficiency and high peak power laser system with short-pulse and good beam quality has been demonstrated by using a master oscillator power amplifier with two-pass amplification configuration. The master oscill...
关键词：Laser pulses Optical parametric oscillators Power amplifiers Pulse amplifiers Semiconductor lasers 
Numerical Integration of Forced and Damped Oscillators through a New Multistep Method
《Journal of Applied Mathematics and Physics》2019年第10期2440-2458,共19页M. Cortés-Molina F. García-Alonso J. A. Reyes 
Forced and damped oscillators appear in the mathematical modelling of many problems in pure and applied sciences such as physics, engineering and celestial mechanics among others. Although the accuracy of the T-functi...
关键词：Numerical Solutions of ODE’s PERTURBED and DAMPED Oscillators Initial Value Problems (IVP) MULTISTEP Methods 
Two dimensional coupled oscillators array with rhombus structure and its application in active antenna array被引量：3
《Science in China(Series F)》2008年第12期2074-2086,共13页ZHAI LongJun JIANG YongHua LIU LongHe 
Beam scanning and forming can be achieved by coupled oscillators array without phase shifter. Active antenna array based on coupled oscillators array has the virtue of low cost, high integration, and high efficiency. ...
关键词：coupled oscillators array rhombus structure active antenna array STABILITY phase control 
关于振荡器频率稳定度的研究被引量：2
《山西电子技术》2008年第2期80-81,共2页卫江红 胡晓花 
在振荡器中,通常用频率稳定度来评价振荡频率的性能。着重分析了导致振荡频率不稳定的因素,详细地阐述了提高频率稳定度的主要措施和稳定方法,并给出了一种稳定度高的振荡电路的设计实例。
关键词：振荡器 频率 稳定度 
A Result on the Quasi-periodic Solutions of Forced Isochronous Oscillators at Resonance
《Chinese Annals of Mathematics,Series B》2015年第4期523-542,共20页Bin LIU Yingchao TANG 
supported by the National Natural Science Foundation of China(No.10325103);the Chinese Scholarship Council(No.201206010092)
In this paper, the authors are concerned with the forced isochronous oscillators with a repulsive singularity and a bounded nonlinearity x'' + V'(x) + g(x) = e(t, x, x'),where the assumptions on V, g and e are regular...
关键词：Isochronous oscillators Repulsive singularity Invariant curves Timereversibility Quasi-periodic solutions Lazer-Landesman conditions Boundedness of solutions 
High repetition rate picosecond LiNbO3 THz parametric amplifier and parametric gain被引量：1
《Chinese Optics Letters》2020年第5期55-58,共4页Yuting Yang Gang Zhao Yue Huang Liwen Feng Senlin Huang Kexin Liu 
the National Key Research and Development Program of China(No.2017YFA0701000);the National Natural Science Foundation of China(No.11735002).
A high repetition rate,picosecond terahertz(THz)parametric amplifier with a LiNbO3(LN)crystai has been demonstrated in this work.At a 10 kHz repetition rate,a peak power of 200 W and an average power of 12 pW have bee...
关键词：far infrared or terahertz nonlinear optics parametric processes parametric oscillators and amplifiers 
10 Gb/s 16-quadrature amplitude modulation signal delivery over a wireless fiber system by using a directly modulated laser for electrical/optical conversion
《Chinese Optics Letters》2015年第6期1-4,共4页赵伦 余建国 
partially supported by the National Natural Science Foundation of China under Grant Nos.61377079 and 61372035
We propose and experimentally demonstrate a novel scheme to realize electrical/optical （E/O） conversion on the receiver side of a wireless fiber integration system at the W band. At the receiver, a directly modulate...
关键词：Detector circuits Error correction Millimeter waves MODULATION Optical communication Oscillators (electronic) Quadrature amplitude modulation Single mode fibers 
Environmentally stable Er-fiber mode-locked pulse generation and amplification by spectrally filtered and phase-biased nonlinear amplifying long-loop mirror被引量：4
《High Power Laser Science and Engineering》2019年第3期95-101,共7页Zhengru Guo Qiang Hao Junsong Peng Heping Zeng 
supported by the National Key Research and Development Program (No. 2018YFB0407100);National Natural Science Foundation of China (Nos. 11434005 and 11621404);Key Project of Shanghai Education Commission (No. 2017-01-07-00-05-E00021)
We report on environmentally stable long-cavity ultrashort erbium-doped fiber lasers,which self-start mode-locking at quite low thresholds by using spectrally filtered and phase-biased nonlinear amplifying long-loop m...
关键词：ERBIUM fibers FIBER LASERS FIBER optics AMPLIFIERS and oscillators MODE-LOCKED LASERS 
Synchronizing of Hyperchaos by White Noise
《Chinese journal of nuclear physics》1997年第1期63-64,共2页Fang Jinqing Xu Shuyan China Institute of Atomic Energy,P.O.Box 275—27,Beijing 102413 
The project supported by China National Foundation of Nuclear Science;the National Project of Science and Technology for Returned Students
Chaotic synchronization can be achieved by large enough external noise strength.It is shown that a pair of generic systems in the same potential evolving to equilibrium thr-ough standard Langevin dynamics with the sam...
关键词：WHITE noise Generalized VAN der POL oscillators SYNCHRONIZATION of HYPERCHAOS 
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