Towards Czech National Research Infrastructure for Clock Network Services

2021 ◽  
Author(s):  
Josef Vojtech ◽  
Martin Cizek ◽  
Jan Hrabina ◽  
Lenka Pravdova ◽  
Ondrej Cip ◽  
...  
Keyword(s):  
Research Infrastructure ◽  
Network Services ◽  
Clock Network

Optical frequency dissemination via fiber networks: The Clock Network Services (CLONETS) project and potential applications in the geosciences

2021 ◽  
Author(s):  
Juergen Kusche ◽  
Keyword(s):  
Optical Fibers ◽  
Network Services ◽  
Plate Motion ◽  
Optical Frequency ◽  
Fiber Network ◽  
Research And Innovation ◽  
Long Baseline ◽  
Clock Network ◽  
Potential Applications ◽  
Precise Time

<p>Precise measurement of time and frequency has been instrumental in the development of modern geosciences. It has enabled us to quantify many observations, including plate motion, the variations of Earth rotation, and modern-day sea level rise.</p><p>Over the past decade, European National Metrology Institutes (NMIs), together with National Research and Education Networks (NRENs) and partners from universities and research institutes have pioneered the dissemination of ultra-stable optical frequency and timing signals via optical fibers. Initially started as proof-of-concept experiments, this technology has matured to aim for a paradigm change: making precise time and frequency signals available to the wider scientific community and thereby enabling new research avenues.</p><p>The CLOck NETwork Services Design Study (CLONETS-DS) is a research and innovation action intended to facilitate the vision of a sustainable, pan-European optical fiber network for precise time and frequency reference dissemination.</p><p>Here, we will present the envisioned technology, its performance parameters, and discuss potential applications, requirements and limitations for geophysical applications, for example in geodesy (chronometric levelling, gravity field observation), seismology, and very-long-baseline interferometry (VLBI).</p>

The CLONETS – Clock Network Services: Strategy and innovation for clock services over optical-fibre networks

2019 ◽  
Author(s):  
Josef Vojtěch ◽  
Jan Radil ◽  
Vladimir Smotlacha ◽  
Radek Velc ◽  
Przemysław Krehlik ◽  
...  
Keyword(s):  
Optical Fibre ◽  
Network Services ◽  
Clock Network

scholarly journals CLONETS - clock network services: Strategy and innovation for clock services over optical-fibre networks

2017 ◽  
Author(s):  
Przemyslaw Krehlik ◽  
Lukasz Sliwczynski ◽  
Jiri Dostal ◽  
Jan Radil ◽  
Vladimir Smotlacha ◽  
...  
Keyword(s):  
Optical Fibre ◽  
Network Services ◽  
Clock Network

CLONETS-DS – Clock Network Services-Design Study Strategy and innovation for clock services over optical-fibre networks in Europe

2021 ◽  
Author(s):  
Josef Vojtěch ◽  
Lada Altmannová ◽  
Vladimír Smotlacha ◽  
Radek Velc ◽  
Rudolf Vohnout ◽  
...  
Keyword(s):  
Optical Fibre ◽  
Network Services ◽  
Design Study ◽  
Study Strategy ◽  
Clock Network
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