中国物理B ›› 2015, Vol. 24 ›› Issue (9): 93701-093701.doi: 10.1088/1674-1056/24/9/093701
• ATOMIC AND MOLECULAR PHYSICS • 上一篇 下一篇
赵延霆, 苏殿强, 姬中华, 张洪山, 肖连团, 贾锁堂
Zhao Yan-Ting (赵延霆), Su Dian-Qiang (苏殿强), Ji Zhong-Hua (姬中华), Zhang Hong-Shan (张洪山), Xiao Lian-Tuan (肖连团), Jia Suo-Tang (贾锁堂)
摘要:
We have employed recoil-induced resonance (RIR) with linewidth on the order of 10 kHz to demonstrate the fast thermometry for ultracold atoms. We theoretically calculate the absorption spectrum of RIR which agrees well with the experimental results. The temperature of the ultracold sample derived from the RIR spectrum is T=84± 4.5 μK, which is close to 85 μK that measured by the method of time-of-flight absorption imaging. To exhibit the fast measurement advantage in applying RIR to the ultracold atom thermometry, we study the dependence of ultracold sample temperature on the trapping beam frequency detuning. This method can be applied to determine the translational temperature of molecules in photoassociation dynamics.
中图分类号: (Mechanical effects of light on atoms, molecules, and ions)