Referencing femtosecond laser frequency combs to a He-Ne/CH4 optical frequency standard

Author(s):  
Evgeny V. Kovalchuk ◽  
Achim Peters
2009 ◽  
Vol 48 (4) ◽  
pp. 042301 ◽  
Author(s):  
Shigeo Nagano ◽  
Hiroyuki Ito ◽  
Ying Li ◽  
Kensuke Matsubara ◽  
Mizuhiko Hosokawa

Author(s):  
T.W Hänsch ◽  
J Alnis ◽  
P Fendel ◽  
M Fischer ◽  
C Gohle ◽  
...  

Precision spectroscopy of the simple hydrogen atom has inspired dramatic advances in optical frequency metrology: femtosecond laser optical frequency comb synthesizers have revolutionized the precise measurement of optical frequencies, and they provide a reliable clock mechanism for optical atomic clocks. Precision spectroscopy of the hydrogen 1S–2S two-photon resonance has reached an accuracy of 1.4 parts in 10 14 , and considerable future improvements are envisioned. Such laboratory experiments are setting new limits for possible slow variations of the fine structure constant α and the magnetic moment of the caesium nucleus μ Cs in units of the Bohr magneton μ B .


2011 ◽  
Vol 19 (3) ◽  
pp. 2052 ◽  
Author(s):  
Jan Hald ◽  
Lars Nielsen ◽  
Jan C. Petersen ◽  
Poul Varming ◽  
Jens E. Pedersen

2015 ◽  
Vol 23 (9) ◽  
pp. 11227 ◽  
Author(s):  
Marco Triches ◽  
Mattia Michieletto ◽  
Jan Hald ◽  
Jens K. Lyngsø ◽  
Jesper Lægsgaard ◽  
...  

2021 ◽  
Vol 51 (6) ◽  
pp. 473-478
Author(s):  
S V Chepurov ◽  
N A Pavlov ◽  
Alexey Anatol'evich Lugovoy ◽  
Sergei Nikolaevich Bagayev ◽  
Aleksei Vladimirovich Taichenachev

Author(s):  
Jonathan Gillot ◽  
Joannes Barbarat ◽  
Hector Alavarez-Martinez ◽  
Rodolphe Le Targat ◽  
Paul-Eric Pottie ◽  
...  

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