NDLI: An experimental investigation of the trap-dynamics of a cesium magneto-optical trap at high laser intensities

Content Provider	Springer Nature Link
Author	Anwar, Muhammad Faisal, Muhammad Ahmed, Mushtaq
Copyright Year	2013
Abstract	We have developed Pakistan’s first magneto optical trap (MOT) in which we were able to capture as many as 2.8 × 109 Cs atoms and attain densities as high as 2 × 1011 atoms/cm3. The trap performance was optimized by varying the laser intensity from 50 mW/cm2 to 500 mW/cm2 as well as the magnetic field gradient from 5 G/cm to 20 G/cm. We have fully investigated the dynamics of the cesium vapor cell magneto-optical trap (VCMOT) by determining the capture rate L (atoms s−1), background collisional loss rate γ (s−1) and intra-trap excited-state collisional loss parameter β (cm3 s−1) of the cesium atoms in the trap. Also, the cloud expansion and compression with trap laser intensity and magnetic field gradient was observed. The MOT dynamics at high intensities is characterized by high capture rate (4 × 109 atoms/s), high densities, enhanced collisional losses (β ∼ 10−11 cm3 s−1) and cloud expansion due to radiation trapping. The intensities used in this study are the highest ever reported with the cesium MOT.
Starting Page	1
Ending Page	10
Page Count	10
File Format	PDF
ISSN	14346060
Journal	The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics
Volume Number	67
Issue Number	12
e-ISSN	14346079
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-12-23
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cold Matter and Quantum Gas Atomic, Molecular, Optical and Plasma Physics Physical Chemistry Quantum Physics Quantum Information Technology, Spintronics Spectroscopy/Spectrometry Nonlinear Dynamics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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