In this paper we study the atom dissipation effect in a laser cavity. The cavity field mode is described by the Fox- Li quasimode due to the leakiness of the cavity. Our results show that the atom decay rate versus th...In this paper we study the atom dissipation effect in a laser cavity. The cavity field mode is described by the Fox- Li quasimode due to the leakiness of the cavity. Our results show that the atom decay rate versus the decay rate of the quasimode is a Lorentz type. Effects of the atom-cavity detuning as well as cavity size are also discussed.展开更多
The strong-coupling mode,called the"quasimode",is excited by stimulated Brillouin scattering(SBS)in high-intensity laser-plasma interactions.Also SBS of the quasimode competes with SBS of the fast mode(or sl...The strong-coupling mode,called the"quasimode",is excited by stimulated Brillouin scattering(SBS)in high-intensity laser-plasma interactions.Also SBS of the quasimode competes with SBS of the fast mode(or slow mode)in multiion species plasmas,thus leading to a low-frequency burst behavior of SBS reflectivity.Competition between the quasimode and the ion-acoustic wave(IAW)is an important saturation mechanism of SBS in high-intensity laser-plasma interactions.These results give a clear explanation of the low-frequency periodic burst behavior of SBS and should be considered as a saturation mechanism of SBS in high-intensity laser-plasma interactions.展开更多
基金supported by the National Natural Science Foundation of China (Grant Nos. 11175044 and 11105021)the Natural Science Foundation of Ji lin Province,China (Grant No. 201115007)
文摘In this paper we study the atom dissipation effect in a laser cavity. The cavity field mode is described by the Fox- Li quasimode due to the leakiness of the cavity. Our results show that the atom decay rate versus the decay rate of the quasimode is a Lorentz type. Effects of the atom-cavity detuning as well as cavity size are also discussed.
基金supported by the National Natural Science Foundation of China(Nos.11875091,11575035,11875093,11475030 and 11435011)National Postdoctoral Program for Innovative Talents(No.BX20180055)+1 种基金China Postdoctoral Science Foundation(No.2018M641274)Science Challenge Project(No.TZ2016005).
文摘The strong-coupling mode,called the"quasimode",is excited by stimulated Brillouin scattering(SBS)in high-intensity laser-plasma interactions.Also SBS of the quasimode competes with SBS of the fast mode(or slow mode)in multiion species plasmas,thus leading to a low-frequency burst behavior of SBS reflectivity.Competition between the quasimode and the ion-acoustic wave(IAW)is an important saturation mechanism of SBS in high-intensity laser-plasma interactions.These results give a clear explanation of the low-frequency periodic burst behavior of SBS and should be considered as a saturation mechanism of SBS in high-intensity laser-plasma interactions.
