نتایج جستجو برای: parametric oscillator

تعداد نتایج: 91124  

Journal: :Japanese Journal of Applied Physics 2018

2007
RICHARD A. MORRISON

Abstract. We study the effects of periodically time varying mass on the stability of the Helmholtz oscillator, which, when linearised, takes the form of Ince’s equation and exhibits parametric resonance. The resonance regions in the parameter space are mapped and we use the Melnikov function to demonstrate that the parametric instability does not affect the qualitative dynamics of the nonlinear...

2011
S. Chaitanya Kumar A. Agnesi P. Dallocchio F. Pirzio G. Reali K. T. Zawilski P. G. Schunemann M. Ebrahim-Zadeh

We report a compact, efficient, 1.5 mJ, 450 MHz, mid-IR picosecond OPO based on CdSiP2, synchronously-pumped at 1064 nm and tunable across 6091–6577 nm, covering the technologically important wavelength range for surgical applications. OCIS codes: 190.4400, 190.4970, 190.7110, 170.6935

Journal: :I. J. Bifurcation and Chaos 2014
Albert C. J. Luo Bo Yu

In this paper, bifurcation trees of periodic motions to chaos in a parametric oscillator with quadratic nonlinearity are investigated analytically as one of the simplest parametric oscillators. The analytical solutions of periodic motions in such a parametric oscillator are determined through the finite Fourier series, and the corresponding stability and bifurcation analyses for periodic motion...

2017
Jiahui Peng

Optical parametric oscillator is an attractive way of generating tunable mid-infrared light in the spectral range where lasers simply do not exist—for the needs of spectroscopy, medical applications, remote sensing, etc. We will go through the fundamentals of the optical parametric oscillator first and then introduce the related new phase-matching, cavity design, and spectroscopic techniques. ©...

Journal: :Physical review letters 2005
Joji Joykutty Vaibhav Mathur V Venkataraman Vasant Natarajan

We demonstrate a novel technique for direct measurement of the oscillation frequency in an optical-tweezers trap. The technique uses the phenomenon of parametric resonance in an oscillator when the stiffness of the trapping potential is modulated. The trapped particle is a strongly damped oscillator; hence, the signature of parametric resonance is not an increase in the amplitude but an increas...

2012
V. K. Chandrasekar M. Senthilvelan

In this paper, we prove that the modified PainlevéInce (PI) equation, the force-free Duffing nonlinear type oscillator (DO) and the Lotka-Volterra (LV) nonlinear ordinary differential equation ODEs can be solved in general parametric form. The developed mathematical methodology and the extracted results, being expressed by way of new theorems including admissible functional transformations and ...

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