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pro vyhledávání: '"Dubois, Benoit"'
Autor:
Fluhr, Christophe, Dubois, Benoit, Calosso, Claudio E., Vernotte, Francois, Rubiola, Enrico, Giordano, Vincent
We report in this letter the outstanding frequency stability performances of an autonomous cryogenique sapphire oscillator presenting a flicker frequency noise floor below 2e-16 near 1,000 s of integration time and a long term Allan Deviation (ADEV)
Externí odkaz:
http://arxiv.org/abs/2210.06059
Autor:
Fluhr, Christophe, Dubois, Benoît, Tetu, Guillaume Le, Soumann, Valerie, Paris, Julien, Rubiola, Enrico, Giordano, Vincent
The cryogenic sapphire oscillator (CSO) is a highly specialized machine, which delivers a reference signal exhibiting the lowest frequency fluctuations. For the best units, the Allan deviation (ADEV) is <1e-15 for integration time between 1 and 10,00
Externí odkaz:
http://arxiv.org/abs/2210.05545
The Cryogenic Sapphire Oscillator is today recognized for its unprecedented frequency stability, mainly coming from the exceptional physical properties of its resonator made in a high quality sapphire crystal. With these instruments, the fractional f
Externí odkaz:
http://arxiv.org/abs/2002.11363
Autor:
Lantz, Éric, Calosso, Claudio E., Rubiola, Enrico, Giordano, Vincent, Fluhr, Christophe, Dubois, Benoît, Vernotte, François
The three-cornered hat / Groslambert Covariance methods are widely used to estimate the stability of each individual clock in a set of three, but no method gives reliable confidence intervals for large integration times. We propose a new KLTS (Karhun
Externí odkaz:
http://arxiv.org/abs/1904.05849
Autor:
Saleh, Khaldoun, Millo, Jacques, Marechal, Baptiste, Dubois, Benoît, Bakir, Ahmed, Didier, Alexandre, Lacroûte, Clément, Kersalé, Yann
Publikováno v:
Scientific Reports 8, 1997 (2018)
Optical frequency division of an ultrastable laser to the microwave frequency range by an optical frequency comb has allowed the generation of microwave signals with unprecedently high spectral purity and stability. However, the generated microwave s
Externí odkaz:
http://arxiv.org/abs/1802.00262
We present the characterization of commercial tunnel diode low-level microwave power detectors at room and cryogenic temperatures. The sensitivity as well as the output voltage noise of the tunnel diodes are measured as functions of the applied micro
Externí odkaz:
http://arxiv.org/abs/1601.06959
Autor:
Fluhr, Christophe, Grop, Serge, Dubois, Benoît, Kersalé, Yann, Rubiola, Enrico, Giordano, Vincent
We present the characterisation of three Cryogenic Sapphire Oscillators using the three-corner-hat method. Easily implemented with commercial components and instruments, this method reveals itself very useful to analyse the frequency stability limita
Externí odkaz:
http://arxiv.org/abs/1512.03208
We present the characterization of 8-12 GHz whispering gallery mode resonators machined in high-quality sapphire crystals elaborated with different growth techniques. These microwave resonators are intended to constitute the reference frequency of ul
Externí odkaz:
http://arxiv.org/abs/1504.02711
Autor:
Dubois, Benoit
L'ingénierie des systèmes mécatroniques nécessite la conception simultanée et pluri-disciplinaire des différents sous-systèmes mécanique, électronique et informatique. Dans ce contexte, ces travaux de thèse s'inscrivent dans le cadre d'un p
Externí odkaz:
http://tel.archives-ouvertes.fr/tel-00408674
http://tel.archives-ouvertes.fr/docs/00/40/86/74/PDF/these_dubois_benoit.pdf
http://tel.archives-ouvertes.fr/docs/00/40/86/74/PDF/these_dubois_benoit.pdf
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