Search Results - "Chardonnet, C."

Stability of the proton-to-electron mass ratio by Shelkovnikov, A, Butcher, R J, Chardonnet, C, Amy-Klein, A

“…We report a limit on the fractional temporal variation of the proton-to-electron mass ratio as 1/(m(P)/m(e)) partial differential/partial…”
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A clock network for geodesy and fundamental science by Lisdat, C., Grosche, G., Quintin, N., Shi, C., Raupach, S.M.F., Grebing, C., Nicolodi, D., Stefani, F., Al-Masoudi, A., Dörscher, S., Häfner, S., Robyr, J.-L., Chiodo, N., Bilicki, S., Bookjans, E., Koczwara, A., Koke, S., Kuhl, A., Wiotte, F., Meynadier, F., Camisard, E., Abgrall, M., Lours, M., Legero, T., Schnatz, H., Sterr, U., Denker, H., Chardonnet, C., Le Coq, Y., Santarelli, G., Amy-Klein, A., Le Targat, R., Lodewyck, J., Lopez, O, Pottie, P.-E.

“…Leveraging the unrivalled performance of optical clocks as key tools for geo-science, for astronomy and for fundamental physics beyond the standard model…”
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High-resolution microwave frequency dissemination on an 86-km urban optical link by Lopez, O., Amy-Klein, A., Lours, M., Chardonnet, C., Santarelli, G.

“…We report the first demonstration of a long-distance ultra-stable frequency dissemination in the microwave range. A 9.15-GHz signal is transferred through an…”
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Direct determination of the Boltzmann constant by an optical method by Daussy, C, Guinet, M, Amy-Klein, A, Djerroud, K, Hermier, Y, Briaudeau, S, Bordé, Ch J, Chardonnet, C

“…We have recorded the Doppler profile of a well-isolated rovibrational line in the nu(2) band of (14)NH(3). Ammonia gas was placed in an absorption cell…”
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Probing weak force-induced parity violation by high-resolution mid-infrared molecular spectroscopy by Tokunaga, S. K., Stoeffler, C., Auguste, F., Shelkovnikov, A., Daussy, C., Amy-Klein, A., Chardonnet, C., Darquié, B.

“…To date no experiment has reached the level of sensitivity required to observe weak nuclear force-induced parity violation (PV) energy differences in chiral…”
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Mid-infrared laser phase-locking to a remote near-infrared frequency reference for high-precision molecular spectroscopy by Chanteau, B, Lopez, O, Zhang, W, Nicolodi, D, Argence, B, Auguste, F, Abgrall, M, Chardonnet, C, Santarelli, G, Darquié, B, Le Coq, Y, Amy-Klein, A

“…We present a method for accurate mid-infrared frequency measurements and stabilization to a near-infrared ultra-stable frequency reference, transmitted with a…”
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Progress towards an accurate determination of the Boltzmann constant by Doppler spectroscopy by Lemarchand, C, Triki, M, Darquié, B, Bordé, Ch J, Chardonnet, C, Daussy, C

“…In this paper, we present significant progress performed on an experiment dedicated to the determination of the Boltzmann constant, k, by accurately measuring…”
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Long-distance frequency dissemination with a resolution of 10-17 by DAUSSY, C, LOPEZ, O, CLAIRON, A, SANTARELLI, G, TOBAR, M. E, LUITEN, A. N, AMY-KLEIN, A, GONCHAROV, A, GUINET, M, CHARDONNET, C, NARBONNEAU, F, LOURS, M, CHAMBON, D, BIZE, S

“…We use a new technique to disseminate microwave reference signals along ordinary optical fiber. The fractional frequency resolution of a link of 86 km in…”
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Long-distance frequency dissemination with a resolution of 10(-17) by Daussy, C, Lopez, O, Amy-Klein, A, Goncharov, A, Guinet, M, Chardonnet, C, Narbonneau, F, Lours, M, Chambon, D, Bize, S, Clairon, A, Santarelli, G, Tobar, M E, Luiten, A N

“…We use a new technique to disseminate microwave reference signals along ordinary optical fiber. The fractional frequency resolution of a link of 86 km in…”
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Determination of the Boltzmann Constant by Laser Spectroscopy as a Basis for Future Measurements of the Thermodynamic Temperature by Lemarchand, C., Djerroud, K., Darquié, B., Lopez, O., Amy-Klein, A., Chardonnet, C., Bordé, Ch. J., Briaudeau, S., Daussy, C.

“…In this paper, the latest results on the measurement of the Boltzmann constant k B , by laser spectroscopy of ammonia at 10μm are presented. The Doppler…”
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Absolute frequency measurement in the 28-THz spectral region with a femtosecond laser comb and a long-distance optical link to a primary standard by AMY-KLEIN, A, GONCHAROV, A, DAUSSY, C, GRAIN, C, LOPEZ, O, SANTARELLI, G, CHARDONNET, C

“…A new frequency chain was demonstrated to measure an optical frequency standard based on a rovibrational molecular transition in the 28 THz spectral region…”
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Calcium effect on the mycelial cell walls of Botrytis cinerea by Chardonnet, C.O, Sams, C.E, Conway, W.S

“…The goal of this study was to determine whether calcium ion, (one of the electrolytes released after plant cell attack), may have a direct effect on fungal…”
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Variability of three isolates of Botrytis cinerea affects the inhibitory effects of calcium on this fungus by CHARDONNET, C. O, SAMS, C. E, TRIGIANO, R. N, CONWAY, W. S

“…ABSTRACT Botrytis cinerea is an economically important pathogen. Epidemiological studies are difficult because of the genetic variability within this species…”
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Frequency Measurement of an Ar $^+$ Laser Stabilized on Narrow Lines of Molecular Iodine at 501.7 nm by duBurck, F., Daussy, C., Amy-Klein, A., Goncharov, A.N., Lopez, O., Chardonnet, C., Wallerand, J.-P.

“…A spectrometer for ultra high-resolution spectroscopy of molecular iodine at wave length 501.7 nm, near the dissociation limit is described. Line shapes about…”
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Absolute frequency measurement of the iodine-stabilized Ar+ laser at 514.6 nm using a femtosecond optical frequency comb by GONCHAROV, A, AMY-KLEIN, A, LOPEZ, O, BURCK, F. D. U, CHARDONNET, C

“…The frequency of *b hyperfine component a3 of the P(13) 43-0 transition at 514.6 nm has been measured with an optical clockwork based on a femtosecond laser…”
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Two-photon Ramsey fringes at 30 THz referenced to an H maser/Cs fountain via an optical-frequency comb at the 1-Hz level by Shelkovnikov, A., Grain, C., Butcher, R.J., Amy-Klein, A., Goncharov, A., Chardonnet, C.

“…Aspects of two-photon Ramsey fringes in SF/sub 6/ at 30 THz obtained with a 1-m separation between the two absorption zones are presented. The experiment is…”
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CO2 laser stabilization to 0.1-Hz level using external electrooptic modulation by BERNARD, V, DAUSSY, C, NOGUES, G, CONSTANTIN, L, DURAND, P. E, AMY-KLEIN, A, VAN LERBERGHE, A, CHARDONNET, C

“…We have developed a frequency stabilization scheme for CO/sub 2/ lasers using only external modulation via an electrooptic modulator (EOM). One of the two…”
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High-sensitivity detection of two-photon Ramsey fringes at 30 THz by frequency-comb assisted stimulated emission by Grain, C., Shelkovnikov, A., Amy-Klein, A., Butcher, R.J., Chardonnet, C.

“…Spectacular improvements in both resolution and signal-to-noise ratio of two-photon Ramsey fringes obtained at 30 THz have been achieved by implementing a new…”
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Screening of nine Echinacea supplements for antitumor activity using the potato disc bioassay by Chardonnet, C.O, Charron, C.S, Sams, C.E, Conway, W.S

“…To study the efficacy of commercially available Echinacea supplements, solvent fractions from nine locally purchased supplements containing Echinacea were…”
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Osmotic dehydration of apple slices using a sucrose/CaCl2 combination to control spoilage caused by Botrytis cinerea, Colletotrichum acutatum, and Penicillium expansum by Chardonnet, C O, Sams, C E, Conway, W S, Mount, J R, Draughon, F A

“…The efficacy of sucrose combined with CaCl2 during osmotic dehydration (OD) was tested for the control of Botrytis cinerea, Colletotrichum acutatum, and…”
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