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实验利用商品光纤飞秒激光器,自行构建了一套完整的光学频率梳系统,并获得了约30 dB信噪比的系统频移(fceo)信号.实现了光频梳重复频率(frep)信号及系统频移(fceo)信号的高稳定度锁定,并通过实验验证了光频梳锁定的跟踪精度.基于此稳定光频梳完成了对1064 nm碘稳频Nd:YAG固体激光器的绝对频率测量.实验结果表明,frep的跟踪精度在100 s取样时间时优于3.710-14,测量得到的1064 nm激光器绝对频率为:281630111757362 Hz.这一测量结果与国际计量委员会(CIPM)给出的国际推荐值符合到不确定度之内.An optical frequency comb is built by using a commercial femtosecond laser and signal-noise (S/N) ratio of the fceo signal is obtained to be about 30 dB. Its repetition rate frequency and offset frequency are highly stable and the tracking stability is verified. An absolute frequency measurement of a 1064 nm Nd: YAG laser is realized by using this stabilized optical frequency comb. The tracking stability of the repetition rate frequency is superior to 3.710-14 at 100 s and the absolute frequency of the laser is 281630111757362 Hz. The experimental result is in accordance with the recommended value by International Committee of Weights Measures(CIPM).
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Keywords:
- fiber optical comb /
- frequency stabilization /
- phase-locked technolgy /
- optical frequency metrology
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[1] Udem Th, Reichert J, Holzwarth R,Haensch T W 1999 Phys. Rev. Lett. 82 3568
[2] [3] Nicolas Schuhler, Yves Salvad, Samuel Lvque, Ren Dndliker, Ronald Holzwarth 2006 Optics Letters 31 issue 21, 3101-3103
[4] Li C H, Benedick A J, Fendel P, Glenday A G, Krtner F X, Phillips D F, Sasselov D, Szentgyorgyi A, Walsworth R L 2008 Nature 452 610
[5] [6] Florian Adler, Konstantinos Moutzouris, Alfred Leitenstorfer, Harald Schnatz, Burghard Lipphardt, Gesine Grosche, Florian Tauser 2004 Optics Express 12 5782
[7] [8] [9] Ryu H Y, Lee S H, Lee W K, Moon H S, Suh H S 2008 Opt. Express 3 2867
[10] [11] Hu M L, Wang Q Y, Wang Z, Li Y F, Wang Z, Zhang Z G, Chai L, Zhang R B 2004 Acta Phys. Sin. 53 4243 (in Chinese)[胡名列、王清月、王 专、栗岩峰、王 专、张志刚、柴 路、章若冰 2004 53 4243]
[12] [13] Cao S Y, Cai Y, Wang G Z, Meng F, Zhang Z G, Fang Z J, Li T C 2010 Acta Phys. Sin. 60 073401(in Chinese) [曹士英、蔡 岳、王贵重、孟 飞、张志刚、方占军、李天初 2011 60 073401]
[14] [15] Peng J L, Ahn H, Shu R H,Chui H C,Nicholson J W 2007 Appl. Phys. B 86 49
[16] [17] Jiang Y Y, Bi Z Y, L Robertsson, Ma L S 2005 Metrologia 42 304
[18] [19] Telle H R,Steinmeyer G,Dunlop A E, Stenger J,Sutter D H,Keller u 1999 Appl.Phys.B Lasers Opt.69 327
[20] [21] Fang Z J, Wang Q, Wang M M, Meng F, Lin B K, Li T C 2007 Acta Phys. Sin. 56 10(in Chinese) [方占军、王 强、王民明、孟 飞、林百科、李天初 2007 56 10]
[22] [23] Washburn B R, Fox R W, Newbury N R, Nicholson J W, Feder K, Westbrook P S, Jrgensen C G 2004 Optics Express 12 4999
[24] [25] Knight J C,Birks T A,Russell P St J,Atkin D M l996 Opt.Leu.19 1547
[26] T M Fortier, A Bartels, S A Diddams 2006 Optics Letters 31 1011
[27] [28] Strickland D, Mourou G 1985 Opt. Comm. 56 219
[29] [30] Han H N, Zhang W, Wang P, Li D H, Wei Z Y,Shen N C, Nie Y X, Gao Y P,Zhang S G,Li S Q 2005 Acta Phys. Sin. 54 5(in Chinese)[韩海年、张 炜、王 鹏、李德华、魏志义、沈乃澈、聂玉昕、高玉平、张首钢、李师群 2005 54 5]
[31] [32] Benkler E, Telle H R, Zach A, Tauser F 2005 Opt. Express 13 5662
[33] [34] [35] Zang E J,Cao J P, Li C Y, Li Y 2004 China Laser 31 931(in Chinese)[臧二军、曹建平、李成阳、李 烨 2004 中国激光 31 931]
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