Integrated design of a compact magneto-optical trap for space applications
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摘要:
In this Letter,we describe an optical assembly that is designed for the engineering application of the atomic laser cooling techniques.Using a folded optical path scheme,we have built a miniaturized,compact magneto-optical trap (CMOT) for an 87Rb atomic fountain clock.Compared with the conventional magneto-optical traps used in other clocks,our system is more robust,more compact,more stable,and saves about 60% laser power.This optical setup has operated for about a year in our fountain system,passed the thermal cycle tests and the mechanical vibration and shock tests,and maintained a high performance without a need for realignment.