Historical overview of Ramsey spectroscopy and its relevance on Time and Frequency Metrology

8th Brazilian Congress on Metrology

Amaral, M.M.^1,4 ; Tarelho, L.V.G.^1 ; De Souza, M.A.^1 ; Baratto, A.C.^1 ; Garcia, G.A.^1 ; Muller, S.T.^2 ; De Martin, J.^2 ; Rodriguez, A.S.^2 ; Bebeachibuli, A.^2 ; Magalhães, D.V.^2,3

National Institute of Metrology, Quality and Technology - INMETRO, Av. Nossa Senhora das Graças, 50, Duque de Caxias

RJ

25250-020, Brazil^1

Institute of Physics of São Carlos - University of São Paulo - IFSC-USP, Av. Trabalhador São-Carlense, 400, São Carlos

SP

13566-590, Brazil^2

School of Engineering of São Carlos - University of São Paulo - EESC-USP, Av. Trabalhador São-Carlense, 400, São Carlos

SP

13566-590, Brazil^3

Institute of Nuclear and Energy Research - IPEN, Avenida Lineu Prestes, 2242, São Paulo

SP

05508-000, Brazil^4

关键词: Historical evolutions;    Optical standards;    Oscillatory fields;    Ramsey spectroscopy;    Scientific progress;    Time and frequencies;    Time and frequency standards;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/733/1/012020/pdf
DOI  :  10.1088/1742-6596/733/1/012020

来源: IOP

【 摘 要 】

A brief overview of the historical evolution of the method of successive oscillatory fields developed by Norman Ramsey, and some different implementations of the decurrent methodology are presented. We use time and frequency standards, from Cs atomic beams to optical standards, as examples. The scientific progress and the technological implementation achieved through a partnership between USP-SC and INMETRO are shown on the characterization of each time and frequency standard.