Search Results - "Hartnett, John Gideon"

New methods of testing Lorentz violation in electrodynamics by Tobar, Michael Edmund, Wolf, Peter, Fowler, Alison, Hartnett, John Gideon

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Proposal for a new Michelson–Morley experiment using a single whispering spherical mode resonator by Tobar, Michael Edmund, Hartnett, John Gideon, Anstie, James David

“…A new Michelson–Morley experiment is proposed by measuring the beat frequency of two near degenerate modes with orthogonal propagation in a single spherical…”
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Operating Atomic Fountain Clock Using Robust DBR Laser: Short-Term Stability Analysis by Sangmin Lee, Myoung-Sun Heo, Taeg Yong Kwon, Hyun-Gue Hong, Sang-Bum Lee, Hilton, Ashby Paul, Luiten, Andre Nicholas, Hartnett, John Gideon, Sang Eon Park

“…We report on a robust distributed Bragg reflector (DBR) laser system for an atomic fountain clock. To confirm the performance of a DBR laser, the short-term…”
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Drift-Compensated Low-Noise Frequency Synthesis Based on a cryoCSO for the KRISS-F1 by Myoung-Sun Heo, Sang Eon Park, Won-Kyu Lee, Sang-Bum Lee, Hyun-Gue Hong, Taeg Yong Kwon, Chang Yong Park, Dai-Hyuk Yu, Santarelli, Giorgio, Hilton, Ashby Paul, Luiten, Andre Nicholas, Hartnett, John Gideon

“…In this paper, we report on the implementation and stability analysis of a drift-compensated frequency synthesizer from a cryogenic sapphire oscillator (CSO)…”
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Time As a Geometric Property of Space by Chappell, James M., Hartnett, John G., Iannella, Nicolangelo, Iqbal, Azhar, Abbott, Derek

“…The proper description of time remains a key unsolved problem in science. Newton conceived of time as absolute and universal which it `flows equably without…”
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Whispering modes in anisotropic and isotropic dielectric spherical resonators by le Floch, Jean-Michel, Anstie, James David, Tobar, Michael Edmund, Hartnett, John Gideon, Bourgeois, Pierre-Yves, Cros, Dominique

“…The properties of degenerate whispering spherical modes within a fused silica and sapphire dielectric resonator have been investigated. However, departure from…”
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Cryogenically cooled sapphire-rutile dielectric resonators for ultrahigh-frequency stable oscillators for terrestrial and space applications [atomic frequency standards] by Tobar, M.E., Hartnett, J.G., Ivanov, E.N., Cros, D., Blondy, P., Guillon, P.

“…The highest short-term frequency-stable microwave resonator oscillators utilize liquid-helium-cooled sapphire dielectric resonators. The temperature…”
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Cryogenically cooled sapphire-rutile dielectric resonators for ultrahigh-frequency stable oscillators for terrestial and space applications by Tobar, Michael Edmund, Hartnett, John Gideon, Ivanov, Eugene N, Cros, Dominique, Blondy, Pierre, Guillon, Pierre

“…The highest short-term frequency-stable microwave resonator oscillators utilize liquid-helium-cooled sapphire dielectric resonators. The temperature…”
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Frequency-Temperature sensitivity reduction with optimized microwave Bragg resonators by Floch, Jean-Michel Le, Murphy, Christopher, Hartnett, John Gideon, Madrangeas, Valerie, Krupka, Jerzy, Cros, Dominique, Tobar, Michael Edmund

“…Journal of Applied Physics 121, 014102 (2017) Dielectric resonators are employed to build state-of-the-art low-noise and high- stability oscillators operating…”
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Whispering gallery method of measuring complex permittivity in highly anisotropic materials: discovery of a new type of mode in anisotropic dielectric resonators by Tobar, M.E., Hartnett, J.G., Ivanov, E.N., Blondy, P., Cros, D.

“…The whispering gallery (WG) mode method to measure complex permittivity is applied to the highly anisotropic material rutile. In an isotropic or slightly…”
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Proposal for a New Test of the Time Independence Of The Fine Structure Constant, alpha, Using Orthogonally Polarised Whispering Gallery Modes in a Single Sapphire Resonator by Tobar, Michael Edmund, Hartnett, John Gideon

“…Phys.Rev. D67 (2003) 062001 A new experiment to test for the time independence of the fine structure constant, alpha, is proposed. The experiment utilizes…”
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Proposal for a new test of the time independence of the fine structure constant α using orthogonally polarized whispering gallery modes in a single sapphire resonator by Tobar, Michael Edmund, Hartnett, John Gideon

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Proposal for a New Michelson-Morley Experiment Using a Single Whispering Spherical Mode Resonator by Tobar, Michael Edmund, Hartnett, John Gideon, Anstie, James David

“…Phys.Lett. A300 (2002) 33-39 A new Michelson-Morley experiment is proposed by measuring the beat frequency of two near degenerate modes with orthogonal…”
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