双向平均光速各向同性的实验检验

双向平均光速各向同性的实验检验

陈绍光¹, 刘宝诚², 易鹤龄³, 陈赋⁴, 胡可心⁵, 陆其鹄<⁶, 易孙圣⁷, 彭文豪⁸, 邹文栋⁹, 祝裕斌¹⁰

¹江西省科学院能源所，南昌，330029; ²北京大学地球物理系, 北京, 100871; ³Texas大学物理系, Austin, TX78751, USA; ⁴江西南昌十一中, 南昌, 330008; ⁵中科院声学所，北京，100080; ⁶国家地震局地球物理研究所, 北京, 100081; ⁷中科院物理所, 北京, 100080; ⁸江西宜春地区计量所, 宜春, 336000; ⁹江西省科学院应用物理研究所, 南昌, 330029; ¹⁰中科院声学所, 北京, 100080

收稿日期:1996-09-13 出版日期:1997-09-20 发布日期:1997-09-20

Experimental Test of the Isotropy of Two-way Speed of Light

CHEN Shaoguang¹, LIU Baocheng², YI Heling³, CHEN Fu⁴, HU Kexin⁵, LU Qihu⁶, YI Sunsheng⁷, PENG Wenhao⁸, ZOU Wendong⁹, ZHU Yubin¹⁰

¹Institute of Energy Resources, Jiangxi Academy of Sciences, Nanchang, 330029; ²Department of Geophysics, Peking University, Beijing, 100871; ³Department of Physics, Texas University Austin, Tx78751, USA; ⁴Jiangxi Nanchang 11th Middle School, Nanchang, 330008; ⁵Institute of Acoustics, Academia Sinica, Beijing, 100080; ⁶Institute of Geophysics, SSB, Beijing, 100081; ⁷Institute of Physics, Academia Sinica, Beijing, 100081; ⁸Institute of Measurement, Jiangxi, Yi Chun Prefecture, Yi Chun, 336000; ⁹Institute of Application Physics, Jiangxi Academy of Sciences, Nanchang, 330029; ¹⁰Institute of Acoustics, Academia Sinica, Beijing, 100080

Received:1996-09-13 Online:1997-09-20 Published:1997-09-20

摘要/Abstract

摘要： 用抗共模干扰的激光拍频法使激光器频率不稳定引起的拍频误差减小到ΔV／V＜2×10^-20。用外差移频技术实现周期的细分，再辅以微机存贮技术使频率差分辨率达到1×10^-4Hz。实验检验双向平均光速各向同性达到ΔC／C＜1×10^-18的精度。这一实验结果比国外最高的检验精度ΔC／C≤2.5×10^-15高出了2500倍。

关键词: 双向平均光速, 抗共模干扰激光拍频, 外差移频

Abstract: By means of the common mode restraint technique the error caused by the frequency instability of laser has been decreased to the level of 2×10^-20 in Δv/v. By means of the heterodyne frequency shift technique and the computer storage technique the sensitivity of beat frequency achieved 1×10^-4Hz. In our experiment the isotropy of two-way speed of light has been proved at the level of 1×10^-18 in Δc/c, which represents a 2500-fold improvement on the previous best measurement given by Brillet and Hall.

Key words: two-way speed of light, common mode restraint of laser beat-frequency, heterodyne frequency shift

中图分类号:

O412.1

陈绍光, 刘宝诚, 易鹤龄, 陈赋, 胡可心, 陆其鹄<, 易孙圣, 彭文豪, 邹文栋, 祝裕斌. 双向平均光速各向同性的实验检验[J]. 北京大学学报（自然科学版）.

CHEN Shaoguang,LIU Baocheng,YI Heling,CHEN Fu,HU Kexin,LU Qihu,YI Sunsheng,PENG Wenhao,ZOU Wendong,ZHU Yubin. Experimental Test of the Isotropy of Two-way Speed of Light[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

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https://xbna.pku.edu.cn/CN/Y1997/V33/I5/595