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Proceedings Paper

Towards the distribution network of time and frequency
Author(s): 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
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Paper 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.

Paper Details

Date Published: 12 May 2014
PDF: 6 pages
Proc. SPIE 9228, Optical Fibers and Their Applications 2014, 92280L (12 May 2014); doi: 10.1117/12.2066627
Show Author Affiliations
M. Lipiński, AGH Univ. of Science and Technology (Poland)
P. Krehlik, AGH Univ. of Science and Technology (Poland)
Ł. Śliwczyński, AGH Univ. of Science and Technology (Poland)
Ł. Buczek, AGH Univ. of Science and Technology (Poland)
J. Kołodziej, AGH Univ. of Science and Technology (Poland)
J. Nawrocki, Astrogeodynamic Observatory (Poland)
P. Nogaś, Astrogeodynamic Observatory (Poland)
P. Dunst, Astrogeodynamic Observatory (Poland)
D. Lemański, Astrogeodynamic Observatory (Poland)
A. Czubla, Central Office of Measures (Poland)
J. Pieczerak, Orange Poland (Poland)
W. Adamowicz, Orange Poland (Poland)
T. Pawszak, Orange Poland (Poland)
J. Igalson, Orange Poland (Poland)
A. Binczewski, Poznan Supercomputing and Networking Ctr. (Poland)
W. Bogacki, Poznan Supercomputing and Networking Ctr. (Poland)
P. Ostapowicz, Poznan Supercomputing and Networking Ctr. (Poland)
M. Stroiński, Poznan Supercomputing and Networking Ctr. (Poland)
K. Turza, Poznan Supercomputing and Networking Ctr. (Poland)


Published in SPIE Proceedings Vol. 9228:
Optical Fibers and Their Applications 2014
Jan Dorosz; Ryszard S. Romaniuk, Editor(s)

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