Now showing items 113-132 of 187

  • Photonic mode dispersion of a two-dimensional distributed feedback polymer laser 

    Turnbull, G. A.; Andrew, P.; Barnes, William L.; Samuel, I. D. W. (American Physical Society, 2003)
    We present an analysis of the photonic mode dispersion of a two-dimensional (2D) distributed feedback polymer laser based on the conjugated polymer poly[2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylene vinylene]. We use a ...
  • The photospheric abundances of active binaries. I. Detailed analysis of HD 113816 (IS Vir) and HD 119285 (V851 Cen) 

    Katz, D.; Favata, F.; Aigrain, Suzanne; Micela, G. (EDP Sciences, 2003)
    The high-resolution optical spectra of the two X-ray active binaries RS CVn stars HD113816 (IS Vir) and HD119285 (V851 Cen) are analysed and their Na, Mg, Al, Si, Ca, Sc, Ti, Co and Ni contents determined, in the framework ...
  • Photospheric activity and rotation of the planet-hosting star CoRoT-4a 

    Lanza, A. F.; Aigrain, Suzanne; Messina, S.; Leto, G.; Pagano, I.; Auvergne, M.; Baglin, A.; Barge, P.; Bonomo, A. S.; Collier Cameron, A.; Cutispoto, G.; Deleuil, M.; De Medeiros, J. R.; Foing, B.; Moutou, C. (EDP Sciences, 2009)
    Aims. The space experiment CoRoT has recently detected a transiting hot Jupiter in orbit around a moderately active F-type mainsequence star (CoRoT-4a). This planetary system is of particular interest because it has an ...
  • Physical measurement of a slow drag of a drag embedment anchor during sea trials 

    Harnois, Violette; Parish, David; Johanning, Lars (ICOE, 2012-10-17)
    Anchor drag during operation of offshore structures could significantly alter the initial load design characteristics of a mooring system. Hence an estimation of anchor positions during operation is essential to identify ...
  • Planetary transit candidates in Corot-IRa01 field 

    Carpano, S.; Cabrera, J.; Alonso, R.; Barge, P.; Aigrain, Suzanne; Almenara, J.-M.; Bordé, P.; Bouchy, F.; Carone, L.; Deeg, H. J.; De la Reza, R.; Deleuil, M.; Dvorak, R.; Erikson, A.; Fressin, F.; Fridlund, M.; Gondoin, P.; Guillot, T.; Hatzes, A.; Jorda, L.; Lammer, H.; Léger, A.; Llebaria, A.; Magain, P.; Moutou, C.; Ofir, A.; Ollivier, M.; Janot-Pacheco, E.; Pätzold, M.; Pont, F.; Queloz, D.; Rauer, H.; Régulo, C.; Renner, S.; Rouan, D.; Samuel, B.; Schneider, J.; Wuchterl, G. (EDP Sciences, 2009)
    Context. CoRoT is a pioneering space mission devoted to the analysis of stellar variability and the photometric detection of extrasolar planets. Aims. We present the list of planetary transit candidates detected in the ...
  • Planetary transit candidates in CoRoT-LRc01 field 

    Cabrera, J.; Fridlund, M.; Ollivier, M.; Gandolfi, D.; Csizmadia, Sz.; Alonso, R.; Aigrain, Suzanne; Alapini, Aude; Almenara, J.-M.; Barge, P.; Bonomo, A. S.; Bordé, P.; Bouchy, F.; Bruntt, H.; Carone, L.; Carpano, S.; Deeg, H. J.; De la Reza, R.; Deleuil, M.; Dvorak, R.; Erikson, A.; Gillon, M.; Gondoin, P.; Guenther, E. W.; Guillot, T.; Hartmann, M.; Hatzes, A.; Hébrard, G.; Jorda, L.; Lammer, H.; Léger, A.; Llebaria, A.; Lovis, C.; Magain, P.; Mayor, M.; Mazeh, T.; Moutou, C.; Ofir, A.; Pätzold, M.; Pepe, F.; Pont, F.; Queloz, D.; Rabus, M.; Rauer, H.; Régulo, C.; Renner, S.; Rouan, D.; Samuel, B.; Santerne, A.; Schneider, J.; Shporer, A.; Stecklum, B.; Tingley, B.; Udry, S.; Wuchterl, G. (EDP Sciences, 2009)
    Aims. We present here the list of planetary transit candidates detected in the first long run observed by CoRoT: LRc01, towards the galactic center in the direction of Aquila, which lasted from May to October 2007. Methods. ...
  • Planetary transit candidates in the CoRoT initial run: resolving their nature 

    Moutou, C.; Pont, F.; Bouchy, F.; Deleuil, M.; Almenara, J.-M.; Alonso, R.; Barbieri, M.; Bruntt, H.; Deeg, H. J.; Fridlund, M.; Gandolfi, D.; Gillon, M.; Guenther, E. W.; Hatzes, A.; Hébrard, G.; Loeillet, B.; Mayor, M.; Mazeh, T.; Queloz, D.; Rabus, M.; Rouan, D.; Shporer, A.; Udry, S.; Aigrain, Suzanne; Auvergne, M.; Baglin, A.; Barge, P.; Benz, W.; Bordé, P.; Carpano, S.; De la Reza, R.; Dvorak, R.; Erikson, A.; Gondoin, P.; Guillot, T.; Jorda, L.; Kabath, P.; Lammer, H.; Léger, A.; Llebaria, A.; Lovis, C.; Magain, P.; Ollivier, M.; Pätzold, M.; Pepe, F.; Rauer, H.; Schneider, J.; Wuchterl, G. (EDP Sciences, 2009)
    With the release of CoRoT lightcurves of the Initial Run IRa01, 50 transiting planetary candidates have been published in a companion paper. About twenty of them were identified as binary stars from the CoRoT lightcurve ...
  • Prism coupling to 'designer' surface plasmons 

    Hibbins, Alastair P.; Hendry, Euan; Lockyear, Matthew J.; Sambles, J. Roy (Optical Society of America, 2008)
    The excitation of ‘designer’ surface-plasmon-like modes on periodically perforated metals is demonstrated at microwave frequencies using the classical method of prism coupling. In addition we provide a complete formalism ...
  • Rapid switching in a dual-frequency hybrid aligned nematic liquid crystal cell 

    Jewell, Sharon A.; Taphouse, T. S.; Sambles, J. Roy (American Institute of Physics, 2005)
    We report the optical characterization of a dual-frequency hybrid aligned nematic (HAN) liquid crystal cell driven between two states using a multiple-frequency sinusoidal pulse. The complex dynamic director structure ...
  • Rate and nature of false positives in the CoRoT exoplanet search 

    Almenara, J.-M.; Deeg, H. J.; Aigrain, Suzanne; Alonso, R.; Auvergne, M.; Baglin, A.; Barbieri, M.; Barge, P.; Bordé, P.; Bouchy, F.; Bruntt, H.; Cabrera, J.; Carone, L.; Carpano, S.; Catala, C.; Csizmadia, Sz.; De la Reza, R.; Deleuil, M.; Dvorak, R.; Erikson, A.; Fridlund, M.; Gandolfi, D.; Gillon, M.; Gondoin, P.; Guenther, E. W.; Guillot, T.; Hatzes, A.; Hébrard, G.; Jorda, L.; Lammer, H.; Léger, A.; Llebaria, A.; Loeillet, B.; Magain, P.; Mayor, M.; Mazeh, T.; Moutou, C.; Ollivier, M.; Pätzold, M.; Pont, F.; Queloz, D.; Rauer, H.; Régulo, C.; Renner, S.; Rouan, D.; Samuel, B.; Schneider, J.; Shporer, A.; Wuchterl, G.; Zucker, S. (EDP Sciences, 2009)
    Context. The CoRoT satellite searches for planets by applying the transit method, monitoring up to 12,000 stars in the galactic plane for 150 days in each observing run. This search is contaminated by a large fraction of ...
  • Reduction of carrier mobility in semiconductors caused by charge-charge interactions 

    Hendry, Euan; Koeberg, Mattijs; Pijpers, J.; Bonn, Mischa (American Physical Society, 2007)
    We investigate the effect of charge-charge interactions on carrier mobility in titanium dioxide (TiO2) and silicon (Si) using terahertz spectroscopy. Charge scattering times and plasma frequencies are directly determined ...
  • Relationship between photonic band structure and emission characteristics of a polymer distributed feedback laser 

    Turnbull, G. A.; Andrew, P.; Jory, M. J.; Barnes, William L.; Samuel, I. D. W. (American Physical Society, 2001)
    We present an experimental study of the emission characteristics and photonic band structure of a distributed feedback polymer laser, based on the material poly[2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylene vinylene]. We ...
  • Remarkable transmission of microwaves through a wall of long metallic bricks 

    Hibbins, Alastair P.; Sambles, J. Roy; Lawrence, Christopher R.; Robinson, Donna M. (American Institute of Physics, 2001)
    The transmitted intensity of a microwave beam through a thick continuous metal wall will be effectively zero due to the almost complete exclusion of the electric field from the metal. However, it is shown here that by ...
  • Remarkable Zeroth-Order Resonant Transmission of Microwaves through a Single Subwavelength Metal Slit 

    Suckling, James R.; Sambles, J. Roy; Lawrence, Christopher R. (American Physical Society, 2005)
    A slit in a thick metal plate that is extremely subwavelength will not transmit microwaves polarized parallel to it. It is shown here that cuts perpendicular to the slit allow parallel polarized radiation to resonantly ...
  • Removing systematics from the CoRoT light curves. I. Magnitude-dependent zero point 

    Mazeh, T.; Guterman, P.; Aigrain, Suzanne; Zucker, S.; Grinberg, N.; Alapini, Aude; Alonso, R.; Auvergne, M.; Barbieri, M.; Barge, P.; Bordé, P.; Bouchy, F.; Deeg, H. J.; De la Reza, R.; Deleuil, M.; Dvorak, R.; Erikson, A.; Fridlund, M.; Gondoin, P.; Jorda, L.; Lammer, H.; Léger, A.; Llebaria, A.; Magain, P.; Moutou, C.; Ollivier, M.; Pätzold, M.; Pont, F.; Queloz, D.; Rauer, H.; Rouan, D.; Sabo, R.; Schneider, J.; Wuchterl, G. (EDP Sciences, 2009)
    This paper presents an analysis that searched for systematic effects within the CoRoT exoplanet field light curves. The analysis identified a systematic effect that modified the zero point of most CoRoT exposures as a ...
  • Reply to “Comment on ‘Optical determination of flexoelectric coefficients and surface polarization in a hybrid aligned nematic cell’ ” 

    Mazzulla, A.; Ciuchi, F.; Sambles, J. Roy (American Physical Society, 2003)
    In their Comment [G. Barbero and L. R. Evangelista, Phys. Rev. E 68, 023701] on our paper [A. Mazzulla, F. Ciuchi, and J. R. Sambles, Phys. Rev. E 64, 021708 (2001)], Barbero and Evangelista conclude that the procedure ...
  • Resonant absorption of electromagnetic fields by surface plasmons buried in a multilayered plasmonic nanostructure 

    Hibbins, Alastair P.; Murray, W. Andrew; Tyler, J.; Wedge, S.; Barnes, William L.; Sambles, J. Roy (American Physical Society, 2006)
    The optical reflectivity of a metal-dielectric-metal microcavity in which the upper layer is periodically perforated by narrow slits is explored. Complete characterization of the observed modes in terms of their resonant ...
  • The resonant electromagnetic fields of an array of metallic slits acting as Fabry-Perot cavities 

    Hibbins, Alastair P.; Lockyear, Matthew J.; Sambles, J. Roy (American Institute of Physics, 2006)
    Fabry-Perot cavities are perhaps the best known of the optical transmission resonators, with cavity field enhancement accomplished by two parallel and partially reflecting planes. Recently it has been shown that arrays of ...
  • Resonant transmission of microwaves through a finite length subwavelength metallic slit 

    Suckling, James R.; Hibbins, Alastair P.; Sambles, J. Roy; Lawrence, Christopher R. (Institute of Physics and Deutsche Physikalische Gesellschaft, 2005)
    The resonant transmission of microwaves polarized perpendicular to a single subwavelength slit of finite length is presented in detail. It is shown that the resonant frequency rises monotonically as slit length is reduced. ...
  • Resonant transmission of microwaves through a hexagonal array of holes in a thin metal layer 

    Suckling, James R.; Sambles, J. Roy; Lawrence, Christopher R. (Institute of Physics and Deutsche Physikalische Gesellschaft, 2007)
    Resonant transmission of microwaves through a hexagonal array of holes in a very thin aluminium layer is studied. The array of holes, with diameter much less than the incident wavelength, leads to a strong transmission ...