Search Results - "Gerginov, Vladislav"

Investigation of Rapid Adiabatic Passage for Controlling Collisional Frequency Shifts in a Caesium Fountain Clock by Kazda, Michael, Gerginov, Vladislav, Nemitz, Nils, Weyers, Stefan

“…We explore the method of rapid adiabatic passage for collisional frequency shift measurements in the primary caesium fountain clock PTB-CSF2 at the…”
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Wafer-level filling of microfabricated atomic vapor cells based on thin-film deposition and photolysis of cesium azide by Liew, Li-Anne, Moreland, John, Gerginov, Vladislav

“…The thin-film deposition and photodecomposition of cesium azide are demonstrated and used to fill arrays of miniaturized atomic resonance cells with cesium and…”
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Initial atomic coherences and Ramsey frequency pulling in fountain clocks by Gerginov, Vladislav, Nemitz, Nils, Weyers, Stefan

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Optical Stabilization of a Microwave Oscillator for Fountain Clock Interrogation by Lipphardt, Burghard, Gerginov, Vladislav, Weyers, Stefan

“…We describe an optical frequency stabilization scheme of a microwave oscillator that is used for the interrogation of primary cesium fountain clocks. Because…”
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Suppression of Microwave Leakage Shifts in Fountain Clocks by Frequency Detuning by Kazda, Michael, Gerginov, Vladislav

“…We present a method for the suppression of frequency shifts in pulsed atomic clocks based on the Ramsey scheme, caused by unwanted interaction of the atoms…”
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A strontium lattice clock with inaccuracy and its frequency by Falke, Stephan, Lemke, Nathan, Grebing, Christian, Lipphardt, Burghard, Weyers, Stefan, Gerginov, Vladislav, Huntemann, Nils, Hagemann, Christian, Al-Masoudi, Ali, Häfner, Sebastian, Vogt, Stefan, Sterr, Uwe, Lisdat, Christian

“…We have measured the absolute frequency of the optical lattice clock based on 87Sr at PTB with an uncertainty of using two caesium fountain clocks. This is…”
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A study of scalar optically-pumped magnetometers for use in magnetoencephalography without shielding by Clancy, Richard J, Gerginov, Vladislav, Alem, Orang, Becker, Stephen, Knappe, Svenja

“…Scalar optically-pumped magnetometers (OPMs) are being developed in small packages with high sensitivities. The high common-mode rejection ratio of these…”
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Scalar Magnetometry Below 100 fT/Hz1/2 in a Microfabricated Cell by Gerginov, Vladislav, Pomponio, Marco, Knappe, Svenja

“…Zero-field optically-pumped magnetometers are a room-temperature alternative to traditionally used superconducting sensors detecting extremely weak magnetic…”
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Scalar Magnetometry Below 100 fT/Hz 1/2 in a Microfabricated Cell by Gerginov, Vladislav, Pomponio, Marco, Knappe, Svenja

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Realization of a timescale with an accurate optical lattice clock by Grebing, Christian, Al-Masoudi, Ali, Dörscher, Sören, Häfner, Sebastian, Gerginov, Vladislav, Weyers, Stefan, Lipphardt, Burghard, Riehle, Fritz, Sterr, Uwe, Lisdat, Christian

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Microwave Synthesis for the PTB Cesium Fountain Clocks by Kazda, Michael, Gerginov, Vladislav, Lipphardt, Burghard, Weyers, Stefan

“…Microwave synthesizers that are used to generate microwave signals for the CSF1 and CSF2 fountain clocks at the Physikalisch-Technische Bundesanstalt (PTB) are…”
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An Atomic Sensor for Direct Detection of Weak Microwave Signals by Gerginov, Vladislav, da Silva, Fabio C. S., Hati, Archita, Nelson, Craig

“…This paper demonstrates direct detection of weak signals at microwave frequencies based on parametric frequency conversion. The atomic medium is optically…”
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Phase Analysis for Frequency Standards in the Microwave and Optical Domains by Kazda, Michael, Gerginov, Vladislav, Huntemann, Nils, Lipphardt, Burghard, Weyers, Stefan

“…Coherent manipulation of atomic states is a key concept in high-precision spectroscopy and used in atomic fountain clocks and a number of optical frequency…”
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Construction of fiber-optic bundle light-collection systems and calculations of collection efficiency by DiBerardino, Diana, Rafac, Robert J., Boone, Steven, Gerginov, Vladislav P., Tanner, Carol E.

“…This paper describes the position-sensitive light-collection system that we use in our fast-beam laser experiments. The collection system consists of…”
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Gradiometry-free noise suppression in RF atomic magnetometers by Gerginov, Vladislav

“…Phys. Rev. Applied 11, 024008 (2019) We demonstrate the sensitivity of a sensor based on an optically-pumped radio-frequency (RF) atomic magnetometer to the…”
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A strontium lattice clock with 3 × 10 −17 inaccuracy and its frequency by Falke, Stephan, Lemke, Nathan, Grebing, Christian, Lipphardt, Burghard, Weyers, Stefan, Gerginov, Vladislav, Huntemann, Nils, Hagemann, Christian, Al-Masoudi, Ali, Häfner, Sebastian, Vogt, Stefan, Sterr, Uwe, Lisdat, Christian

“…We have measured the absolute frequency of the optical lattice clock based on 87Sr at PTB with an uncertainty of 3.9 × 10−16 using two caesium fountain clocks…”
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A strontium lattice clock with 3 x 10 super(-17) inaccuracy and its frequency by Falke, Stephan, Lemke, Nathan, Grebing, Christian, Lipphardt, Burghard, Weyers, Stefan, Gerginov, Vladislav, Huntemann, Nils, Hagemann, Christian, Al-Masoudi, Ali, Hafner, Sebastian, Vogt, Stefan, Sterr, Uwe, Lisdat, Christian

“…We have measured the absolute frequency of the optical lattice clock based on 87Sr at PTB with an uncertainty of 3.9 X 10 super(-16) using two caesium fountain…”
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Implementation of Coherent Detuning to Suppress Microwave Leakage in Cesium Fountains at NIST by Hoth, Gregory W., Sherman, Jeff A., Gerginov, Vladislav

“…A potential source of frequency bias in atomic fountains is due to atomic interactions with microwave fields outside of the resonant cavity used for Ramsey…”
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Progress Towards an Accuracy Evaluation of NIST-F4 Cesium Fountain Clock by Gerginov, Vladislav, Hoth, Gregory W., Heavner, Thomas P., Sherman, Jeff A.

“…This work presents preliminary results towards the evaluation of the NIST-F4 cesium primary frequency standard. We present measurements of NIST-F4 frequency…”
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Initial Study of the Distributed Cavity Phase Shift for the New Microwave Cavities of Cs Fountains at NIST by Hoth, Gregory W., Patla, Bijunath, Ashby, Neil, Gerginov, Vladislav

“…SummaryThe microwave cavities of NIST-F1, the cesium fountain primary frequency standard at the National Institute of Standards and Technology (NIST), have…”
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