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Alexander Kuna

Alexander Kuna, Ph.D.

Zaměstnanec ÚFE
Position: Research scientist
Department: Laboratory of the National Time and Frequency Standard
+420 266 773 415
kuna@ufe.cz
Location: Main building of UFE, Praha 8 - Kobylisy

Research interests:

  • Measurement of frequency stability and phase noise in quartz oscillators.
  • Precise time and frequency transfer using satellite positioning systems (GPS, EGNOS, GLONASS, Galileo) and optical networks.

Professional activities:

  • Member of the technical committee for accreditation of calibration laboratories of the Czech Accreditation Institute.
  • Member of the technical committee for time and frequency of EURAMET.
  • Head of the technical committee for time and frequency of the Czech Office for Standards, Metrology and Testing.

Education:

2011  Ph.D., Measurement and Instrumentation, Czech Technical University, Faculty of Electrical Engineering, Prague, Czech Republic

2004  M.Sc., Measurement and Instrumentation, Czech Technical University, Faculty of Electrical Engineering, Prague, Czech Republic

Active grant projects:

Investigator:

Co-investigator:

QueenTec: Quantum Engineering and Nanotechnology

Period: 

1. July 2023 –
30. June 2028

Member:

Closed grant projects

Investigator:

Accurate time/frequency comparison and dissemination through optical telecommunication networks

Period: 

1. January 2013 –
31. May 2015

Co-investigator:

Utilization of signals of the new satellite navigation systems for comparison of time scales

Period: 

1. January 2015 –
31. December 2016
Utilization of the new satellite navigation system generation for comparison of time scales

Period: 

1. January 2011 –
31. December 2012

Member:

Publications

Books:

Book chapters:

Journal papers:

P. Pánek and A. Kuna, "Porovnávání vzdálených etalonů času a frekvence podle metodiky CGGTTS", Metrologie. 21(4), 30-32 (2012) doi:
P. Salzenstein, N. Cholley, A. Kuna, P. Abbé, F. Lardet-Vieudrin, L. Šojdr and J. Chauvin, "Distributed amplified ultra-stable signal quartz oscillator based", Measurement. 45(7), 1937-1939 (2012) doi:10.1016/j.measurement.2012.03.035
A. Kuna, J. Čermák, L. Šojdr, P. Salzenstein and F. Lefebvre, "Lowest Flicker-Frequency Floor Measured on BVA Oscillators", IEEE Transactions on Ultrasonics 54(3), 548-551 (2010) doi:10.1109/TUFFC.2010.1446
P. Salzenstein, A. Kuna, L. Šojdr and J. Chauvin, "Significant step in ultra-high stability quartz crystal oscillators", Electronics Letters. 46(21), 1433-1434 (2010) doi:10.1049/el.2010.1828
P. Salzenstein, A. Kuna, L. Šojdr, F. Sthal, N. Cholley and F. Lefebvre, "Frequency stability measurements of ultrastable BVA resonators and oscillators", Electronics Letters. 46(10), 686-688 (2010) doi:10.1049/el.2010.0941
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