干涉测量
光学
迈克尔逊干涉仪
物理
傅里叶变换
干扰(通信)
估计员
多普勒效应
度量(数据仓库)
相(物质)
频域
数学
数学分析
计算机科学
电信
频道(广播)
统计
量子力学
数据库
作者
Gerardo I. Viza,Julián Martínez-Rincón,Gregory A. Howland,Hadas Frostig,Itay Shomroni,Barak Dayan,John C. Howell
出处
期刊:Optics Letters
[The Optical Society]
日期:2013-08-02
卷期号:38 (16): 2949-2949
被引量:53
摘要
In a recent Letter, Brunner and Simon proposed an interferometric scheme using imaginary weak values with a frequency-domain analysis to outperform standard interferometry in longitudinal phase shifts [Phys. Rev. Lett105, 010405 (2010)]. Here we demonstrate an interferometric scheme combined with a time-domain analysis to measure longitudinal velocities. The technique employs the near-destructive interference of non-Fourier limited pulses, one Doppler shifted due to a moving mirror in a Michelson interferometer. We achieve a velocity measurement of 400 fm/s and show our estimator to be efficient by reaching its Cramér–Rao bound.
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