Towards the distribution network of time and frequency

M. Lipiński; P. Krehlik; Ł. Śliwczyński; Ł. Buczek; J. Kołodziej; J. Nawrocki; P. Nogaś; P. Dunst; D. Lemański; A. Czubla; J. Pieczerak; W. Adamowicz; T. Pawszak; J. Igalson; A. Binczewski; W. Bogacki; P. Ostapowicz; M. Stroiński; K. Turza

doi:10.1117/12.2066627

12 May 2014 Towards the distribution network of time and frequency

M. Lipiński, P. Krehlik, Ł. Śliwczyński, Ł. Buczek, J. Kołodziej, J. Nawrocki, P. Nogaś, P. Dunst, D. Lemański, A. Czubla, J. Pieczerak, W. Adamowicz, T. Pawszak, J. Igalson, A. Binczewski, W. Bogacki, P. Ostapowicz, M. Stroiński, K. Turza

Author Affiliations +

Proceedings Volume 9228, Optical Fibers and Their Applications 2014; 92280L (2014) https://doi.org/10.1117/12.2066627
Event: 15th Conference on Optical Fibers and Their Applications, 2014, Lipowy Most, Poland

Abstract

In the paper the genesis, current stage and perspectives of the OPTIME project are described. The main goal of the project is to demonstrate that the newdeveloped at AGH technology of fiber optic transfer of the atomic clocks reference signals is ready to be used in building the domestic Time and Frequency distribution network. In the first part we summarize the two-year continuous operation of 420 kmlong link connecting the Laboratory of Time and Frequency at Central Office of Measures GUM in Warsaw and Time Service Laboratory at Astrogeodynamic Obserwatory AOS in Borowiec near Poznan. For the first time, we are reporting the two year comparison of UTC(PL) and UTC(AOS) atomic timescales with this link, and we refer it to the results of comparisons performed by GPS-based methods. We also address some practical aspects of maintaining time and frequency dissemination over fiber optical network. In the second part of the paper the concept of the general architecture of the distribution network with two Reference Time and Frequency Laboratories and local repositories is proposed. Moreover the brief project of the second branch connecting repositories in Poznan Polish Supercomputing and Networking Center and Torun Nicolaus Copernicus University with the first end-users in Torun such as National Laboratory of Atomic, Molecular and Optical Physics and Nicolaus Copernicus Astronomical Center is described. In the final part the perspective of developing the network both in the domestic range as far as extention with the international connections possibilities are presented.

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M. Lipiński, P. Krehlik, Ł. Śliwczyński, Ł. Buczek, J. Kołodziej, J. Nawrocki, P. Nogaś, P. Dunst, D. Lemański, A. Czubla, J. Pieczerak, W. Adamowicz, T. Pawszak, J. Igalson, A. Binczewski, W. Bogacki, P. Ostapowicz, M. Stroiński, and K. Turza "Towards the distribution network of time and frequency", Proc. SPIE 9228, Optical Fibers and Their Applications 2014, 92280L (12 May 2014); https://doi.org/10.1117/12.2066627

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KEYWORDS

Fiber optics

Networks

Adaptive optics

Interference (communication)

Fiber optic networks

Global Positioning System

Atomic clocks

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