Optimization of transfer of laser-cooled atom cloud to a quadrupole magnetic

Pramana

H S Rawat¹  S P Ram1¹  S K Tiwari¹  S R Mishra¹ 

[1] Laser Physics Applications Section, Raja Ramanna Centre for Advanced Technology, Indore 452 013, India$$

关键词: Laser cooling;    optical molasses;    double-MOT;    magnetic trapping;    phase-space density.;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

We present here our experimental results on transfer of laser-cooled atom cloud to a quadrupole magnetic trap. We show that by choosing appropriately the ratio of potential energy in magnetic trap to kinetic energy of cloud in molasses, we can obtain the maximum phase-space density in the magnetic trap. These results guide us to choose the value of current to be switched in the quadrupole coils used for magnetic trapping for a given temperature of the cloud after molasses. This study is also useful to set the initial phase-space density of the cloud before evaporative cooling.

【 授权许可】

Unknown