نتایج جستجو برای: driven cavity
تعداد نتایج: 302995 فیلتر نتایج به سال:
A driven optical cavity containing a nonlinear medium can support stable, soliton-like objects, bright non-diffracting spots of light on a uniform background. Importantly, the nonlinear medium need not support ordinary (propagating) spatial solitons, and cavity solitons have been both predicted and observed in a saturable absorber, and predicted to even exist in self-defocusing media. The histo...
We review the quantum theory of cooling of a mechanical oscillator subject to the radiation pressure force due to light circulating inside a driven optical cavity. Such optomechanical setups have been used recently in a series of experiments by various groups to cool mechanical oscillators (such as cantilevers) by factors reaching 10, and they may soon go to the ground state of mechanical motio...
We investigate steady state entanglement in an open quantum system, specifically a single atom in a driven optical cavity with cavity loss and spontaneous emission. The system reaches a steady pure state when driven very weakly. Under these conditions, there is an optimal value for atom-field coupling to maximize entanglement, as larger coupling favors a loss port due to the cavity enhanced spo...
This paper deals with the numerical study of bifurcations in the twodimensional lid-driven cavity. Two specific geometries are considered. The first geometry is the two-sided non facing (2SNF) cavity: the velocity is imposed on the upper and the left sides of the cavity. The second geometry is the four-sided (4S) cavity where all the sides have a prescribed motion. For the first time, the linea...
The HGC loaded with MA cores has been developed[1] for the JHF (Japan Hadron Facility) proton synchrotrons. The maximum voltage of 20 kV has been obtained by the cavity of 40 cm in length. The cavity was driven by a pushpull amplifier using two 150 kW tetrodes. The frequency sweeping from 1 to 5 MHz has been achieved without any tuning circuit because of its broadband characteristics of the MA-...
The construction of the new laser-driven proton therapy facility (CLAPA-II), designed by Peking University, has begun in Beijing. This paper describes design a cavity beam position monitor (CBPM) for CLAPA-II. which is accelerated to 100 MeV 2-PW Laser parameters 108∼1010 particles range, 1 Hz repetition rate, 20∼40 mm length range. A non-interceptor BPM needed characterize motion state real ti...
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