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1001por Tollinger, Martin, Sivertsen, Astrid C., Meier, Beat H., Ernst, Matthias, Schanda, Paul“…We show two independent approaches that measure the effect of conformational exchange on transverse relaxation parameters, namely Carr–Purcell–Meiboom–Gill relaxation-dispersion experiments and measurement of differential multiple-quantum coherence decay. …”
Publicado 2012
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1002por Baldwin, Andrew J.“…The Carr–Purcell–Meiboom–Gill (CPMG) experiment is widely used to quantitatively analyse the effects of chemical exchange on NMR spectra. …”
Publicado 2014
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1003“…This conclusion rules out Purcell enhancement of radiative decay rate as a possible explanation of the recently discovered reduction of the p3ht photodegradation rate in the vicinity of metallic substrates and lamellar metal-dielectric metamaterials.…”
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1004“…The finite difference time domain method is utilized to investigate the influence of structure of photonic crystals on the Purcell factor and light extraction efficiency of flip-chip GaN-based LEDs. …”
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1005“…Ligand binding is identified by flow-NMR, in a two-step process that separately optimizes the polarization transfer in methanol while detecting the interaction in a predominantly aqueous medium. A single scan Carr–Purcell–Meiboom–Gill (CPMG) experiment identifies binding by the change in R(2) relaxation rate. …”
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1006por Gökbulut, Belkıs“…Strongly enhanced electromagnetic field, regenerated through the optical mode field inside the hybrid resonator, enables to reduce the optical mode volume of the device and significantly enhance the Purcell factor.…”
Publicado 2022
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1007Publicado 1993Tabla de Contenidos: “…When I am laid in earth...With drooping wings / Purcell (Janet Baker) -- Idomeneo. Non ho colpa, e mi condanni / Mozart (Agnes Baltsa) -- Götterdämmerung. …”
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1008por Lim, H. M., Price, T. B., Marsh, J. C., Rainey, P. M., Gore, J. C., Armitage, I. M.“…Plasma samples from fasting individuals that were placed immediately on ice, spun at 1,000 and 3,000 g for 15 minutes, and the proton NMR spectrum acquired with the Carr-Purcell Meiboom-Gill (CPMG) pulse sequence, using a two-second water pre-saturation time, consistently gave reproducible results. …”
Publicado 1991
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1009“…A three-magnet array unilateral NMR sensor with a homogeneous sensitive spot was employed for assessing aging of the turbine oils used in two different power stations. The Carr-Purcell-Meiboom-Gill (CPMG) sequence and Inversion Recovery-prepared CPMG were employed for measuring the (1)H-NMR transverse and longitudinal relaxation times of turbine oils with different service status. …”
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1010por Schwarz, S., Dufferwiel, S., Walker, P. M., Withers, F., Trichet, A. A. P., Sich, M., Li, F., Chekhovich, E. A., Borisenko, D. N., Kolesnikov, N. N., Novoselov, K. S., Skolnick, M. S., Smith, J. M., Krizhanovskii, D. N., Tartakovskii, A. I.“…We observe significant modification of spectral and temporal properties of photoluminescence (PL): PL is emitted in spectrally narrow and wavelength-tunable cavity modes with quality factors up to 7400; a 10-fold PL lifetime shortening is achieved, a consequence of Purcell enhancement of the spontaneous emission rate.…”
Publicado 2014
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1011por Goldoni, Luca, Beringhelli, Tiziana, Rocchia, Walter, Realini, Natalia, Piomelli, Daniele“…We compare the data of the absolute nutrient concentrations, measured by PULCON external standard method, before and after precipitation of serum proteins and those obtained using CPMG (Carr-Purcell-Meiboom-Gill) sequence or applying post-processing filtering algorithms to remove, from the (1)H q-NMR spectra, the proteins signal contribution. …”
Publicado 2016
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1012“…It is interesting that the enhanced visible emission occurs in the photoluminescence (PL) spectra measured at room temperature and at lower temperature on the BS surface after annealing, in which lasing near 600 nm is observed on the BS surface with Purcell cavity structure. It is demonstrated in the PL spectra analysis that the electronic states in the nanocrystal doped with oxygen play a main role in the visible emission on the BS surface. …”
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1013“…Lasing emission could happen at a relatively low threshold around 2000 cm(− 1) when the diameter is larger than 140 nm. A quite large Purcell factor of 180 could be achieved to enhance the spontaneous emission rate.…”
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1014“…Furthermore, the spontaneous emission enhancement rate at 660 nm increased 9.6-fold compared to the reference film due to resonance excited in the UC slot (Purcell effect). Thus, the proposed UC slot array structure improved UC efficiency 240-fold considering absorption and emission enhancements. …”
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1015“…Theoretical analysis showed that the emission rate of the quantum dot was dramatically enhanced by 617x due to the Purcell effect induced by the wire-groove cavity. …”
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1016“…In order to demonstrate that the sharp tip can confine the electromagnetic energies strongly, we also have calculated the Purcell factor and the far-field directivity of the quantum emitter in the vicinity of this nanostructure.…”
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1017por George, R. E., Senior, J., Saira, O.-P., Pekola, J. P., de Graaf, S. E., Lindström, T., Pashkin, Yu A.“…The measured device parameters agree with the designed values, and the resonators and qubits exhibit excellent coherence properties and strong coupling, with the qubit relaxation rate dominated by the Purcell effect when brought in resonance with the resonator. …”
Publicado 2017
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1018por Costa, A. T., Gonçalves, P. A. D., Basov, D. N., Koppens, Frank H. L., Mortensen, N. Asger, Peres, N. M. R.“…In the case of the quantum emitters, the Higgs mode is observable through the Purcell effect. When combining the superconductor, graphene, and the quantum emitters, a number of experimental knobs become available for unveiling and studying the electrodynamics of superconductors.…”
Publicado 2021
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1019por Hallett, Dominic, Foster, Andrew P., Whittaker, David, Skolnick, Maurice S., Wilson, Luke R.“…Notably, an experimentally realistic cavity design simultaneously supports near-unity chiral contrast, efficient (>95%) cavity-waveguide coupling and enhanced light–matter interaction strength (Purcell factor F(P) > 70). In combination, these parameters enable the development of highly coherent spin–photon interfaces ready for integration into nanophotonic circuits.…”
Publicado 2022
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1020por Lim, Ae Ran“…Additionally, the Bloembergen–Purcell–Pound (BPP) curves for the (1)H spin–lattice relaxation time T(1ρ) in the C(2)H(5)NH(3) cation and for the (13)C T(1ρ) in C(2)H(5) are shown to have minima as a function of inverse temperature. …”
Publicado 2019
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