摘要
Two Nd：YAG lasers operating at 1064 nm are separately servo-locked to two vertically mounted ultra-stable cavities. The optical heterodyne beat between two cavity-stabilized lasers shows that the linewidth of each laser reaches 2 Hz and the average frequency drift reduces to less than 1 Hz/s.
Two Nd：YAG lasers operating at 1064 nm are separately servo-locked to two vertically mounted ultra-stable cavities. The optical heterodyne beat between two cavity-stabilized lasers shows that the linewidth of each laser reaches 2 Hz and the average frequency drift reduces to less than 1 Hz/s.
基金
Project supported by the National Natural Science Foundation of China (Grant No 60490280)
the State Key Development for Basic Research Program of China (Grant Nos 2006CB806005 and 2006CB921104)
the Science and Technology Commission of Shanghai Municipality, China (Grant Nos 06JC14026 and 07JC14019)
Shanghai Pujiang Talent Program, China (Grant No 07PJ14038)
the Program for Changjiang Scholars and Innovative Research Teams, China
