Pierre Royer

Publication List Details

Period

1896 - 2009

Number

112

Co-Authors

Post-AGB stars with hot circumstellar dust: binarity of the low-amplitude pulsators (2009)

Van Winckel, Hans, Evans, Tom Lloyd, Briquet, Maryline, De Cat, Peter, Degroote, Pieter, De Meester, Wim, ...

While the first binary post-AGB stars were serendipitously discovered, the distinct characteristics of their Spectral Energy Distribution (SED) allowed us to launch a more systematic search for...

Surface enhanced Raman scattering on gold nanowire arrays: Evidence of strong multipolar surface plasmon resonance enhancement (2006)

Billot, L, De La Chapelle, ML, Grimault, AS, Vial, A, Barchiesi, D, Bijeon, JL, ...

The SERS efficiencv of Lyold nanowires arrays elaborated by electron beam lithography and lift-off technique efficiency is investigated by depositing a molecular probe (BPE)...

Apertureless scanning near-field optical microscopy: a comparison between homodyne and heterodyne approaches (2006)

Gomez, L, Bachelot, R, Bouhelier, A, Wiederrecht, GP, Chang, SH, Gray, SK, ...

In coherent homodyne apertureless scanning near-field optical microscopy (ASNOM) the background field cannot be fully suppressed because of the interference between the different collected fields,...

Modeling the growth of a polymer microtip on an optical fiber end (2006)

Hocine, M, Fressengeas, N, Kugel, G, Carre, C, Lougnot, DJ, Bachelot, R, ...

Manufacturing end-of-fiber optical components able to realize optical functions ranging from a simple lens to more complex functions such as mode-selective components is a decisive but a priori...

Longitudinal anisotropy of the photoinduced molecular migration in azobenzene polymer films (2006)

Gilbert, Y, Bachelot, R, Royer, Pierre; U0037634, Bouhelier, A, Wiederrecht, GP, Novotny, L

The effects of tightly focused, higher-order laser beams on the photoinduced molecular migration and surface deformations in azobenzene polymer films are investigated. We demonstrate that the surface...

Surface plasmon characteristics of tunable photoluminescence in single gold nanorods (2005)

Bouhelier, A, Bachelot, R, Lerondel, G, Kostcheev, S, Royer, Pierre; U0037634, Wiederrecht, GP

Light emission resulting from two-photon excited gold nanoparticles has been proposed to originate from the radiative decay of surface plasmon resonances. In this vein, we investigated luminescence...

The massive binary CPD-41 degrees 7742 - II. Optical light curve and X-ray observations (2005)

Sana, H, Antokhina, E, Royer, Pierre; U0037634, Manfroid, J, Gosset, E, Rauw, G, ...

In the first paper of this series, we presented a detailed high-resolution spectroscopic study of CPD - 41 degrees 7742, deriving for the first time an orbital solution for both components of the...

Role of localized surface plasmons in surface-enhanced Raman scattering of shape-controlled metallic particles in regular arrays (2005)

Grand, J, De La Chapelle, ML, Bijeon, JL, Adam, PM, Vial, A, Royer, Pierre; U0037634

We studied the influence of localized surface plasmon resonance (LSPR) sustained by arrays of metallic nanoparticles on the efficiency of surface-enhanced Raman scattering (SERS). We found that the...

Heterodyne detection of guided waves using a scattering-type Scanning Near-Field Optical Microscope (2005)

Stefanon, I, Blaize, S, Bruyant, A, Aubert, S, Lerondel, G, Bachelot, R, ...

An inherent problem to the study of waveguides with strong propagation losses by Scattering-type Scanning Near field Optical Microscopy is the coherent optical background field which disrupts...

Light propagation in a porous silicon waveguide: an optical modes analysis in near-field (2005)

Bruyant, A, Stefanon, I, Lerondel, G, Blaize, S, Aubert, S, Bachelot, R, ...

We report on the first near-field observation of light propagation in a porous silicon planar waveguide. The observation has been made possible using a scattering-type scanning near field optical...

Photoresponsive polymers for topographic simulation of the optical near-field of a nanometer sized gold tip in a highly focused laser beam (2005)

Gilbert, Y, Bachelot, R, Vial, A, Lerondel, G, Royer, Pierre; U0037634, Bouhelier, A, ...

The local perturbation of a diffraction-limited spot by a nanometer sized gold tip in a popular apertureless scanning near-field optical microscopy (ASNOM) configuration is reproduced through...

Near-field photochemical imaging of noble metal nanostructures (2005)

Hubert, C, Rumyantseva, A, Lerondel, G, Grand, J, Kostcheev, S, Billot, L, ...

The sub-diffraction imaging of the optical near-field in nanostructures, based on a photochemical technique, is reported. A photosensitive azobenzene-dye polymer is spin coated onto lithographic...

Electromagnetic interactions in plasmonic nanoparticle arrays (2005)

Bouhelier, A, Bachelot, R, Im, JS, Wiederrecht, GP, Lerondel, G, Kostcheev, S, ...

Single two-dimensional planar silver arrays and one-dimensional linear gold chains of nanoparticles were investigated by dark-field surface plasmon spectroscopy and studied as a function of...

The Photodetector Array Camera & Spectrometer (PACS) for the Herschel Space Observatory (2005)

Poglitsch, Albrecht, Waelkens, Christoffel, Bauer, Otto H., Cepa, Jordi, Henning, Thomas, Van Hoof, Chris, ...

The Photodetector Array Camera and Spectrometer (PACS) is one of the three science instruments for ESA's far infrared and submillimetre observatory, Herschel. It employs two Ge:Ga photoconductor...

Coupling semiconductor lasers into single-mode optical fibers by use of tips grown by photopolymerization (2004)

Bachelot, R, Fares, A, Fikri, R, Barchiesi, D, Lerondel, G, Royer, Pierre; U0037634

We show that a polymer tip, integrated by free-radical photopolymerization at the end of a telecommunication optical fiber, allows high-efficiency coupling between the fiber and an infrared laser...

Does Klinkenberg's law survive upscaling? (2004)

Chastanet, J, Royer, Pierre; U0037634, Auriault, JL

This work deals with the large-scale mathematical modelling of flow of gas at low pressure in porous media. At the pore scale, this type of flow is characterised by a wall-slip effect, which at the...

Probing photonic and optoelectronic structures by apertureless scanning near-field optical microscopy (2004)

Bachelot, R, Lerondel, G, Blaize, S, Aubert, S, Bruyant, A, Royer, Pierre; U0037634

This report presents the Apertureless Scanning Optical Near-Field Microscope as a powerful tool for the characterization of modern optoelectronic and photonic components with sub-wavelength...

High-resolution nanophotolithography in atomic force microscopy contact mode (2004)

Gilbert, Y, Fikri, R, Ruymantseva, A, Lerondel, G, Bachelot, R, Barchiesi, D, ...

According to near field theory, when irradiated in specific conditions, a metallic tip can give rise to a field enhancement (FE) at its apex and then be used as a nanosource to illuminate a...

Acoustics with wall-slip flow of gas-saturated porous media (2004)

Chastanet, J, Royer, Pierre; U0037634, Auriault, JL

This work is aimed at deriving and at analyzing the dynamic filtration law that describes the acoustics of a gas saturated porous medium, when a wall-slip flow occurs due to low gas pressure. The...

Definition of a simple resolution criterion in an Apertureless Scanning Near-Field Optical Microscope (A-SNOM): contribution of the tip vibration and lock-in detection (2004)

Bijeon, JL, Adam, PM, Barchiesi, D, Royer, Pierre; U0037634

A realistic near-field calculation on metallic hole samples in illumination transmission conditions predicts certain light confinements around the holes. The purpose of this paper is to explain...

Experimental results on electron beam combination and bunch frequency multiplication (2004)

Corsini, R, Ferrari, A, Rinolfi, L, Royer, Pierre; U0037634, Tecker, F

The aim of the CLIC Test Facility CTF3 at CERN is to demonstrate the feasibility of the key points of the two-beam acceleration based compact linear collider study. In particular, it addresses the...

Near-field optical patterning and structuring based on local-field enhancement at the extremity of a metal tip (2004)

Royer, Pierre; U0037634, Barchiesi, D, Lerondel, G, Bachelot, R

We, present a particular approach and the associated results allowing the nanostructuration of a thin photosensitive polymer film. This approach based on it scanning near-field optical microscopy...

About Darcy's law in non-Galilean frame (2004)

Geindreau, C, Sawicki, E, Auriault, JL, Royer, Pierre; U0037634

This paper is aimed towards investigating the filtration law of an incompressible viscous Newtonian fluid through a rigid non-inertial porous medium (e.g. a porous medium placed in a centrifuge...

Apertureless near field optical microscopy: a contribution to the understanding of the signal detected in the presence of a background field (2004)

Hudlet, S, Aubert, S, Bruyant, A, Bachelot, R, Adam, PM, Bijeon, JL, ...

Apertureless scanning near field optical microscopy techniques have become a common way of studying surface samples. By using a nano-probe that scatters the electromagnetic non-propagative waves...

Optimization of SERS-active substrates for near-field Raman spectroscopy (2003)

Grand, J, Kostcheev, S, Bijeon, JL, De La Chapelle, ML, Adam, PM, Rumyantseva, A, ...

As a first step towards near-field Raman, we chose to study surface enhanced Raman scattering (SERS)-active substrates to cope with the weakness of Raman scattering (small cross-section and low...

Development of an apertureless near-field optical microscope for fluorescence imaging and spectroscopy (2003)

Diziain, S, Adam, PM, Bijeon, JL, De La Chapelle, ML, Royer, Pierre; U0037634

We describe an apertureless-scanning near-field optical microscope (A-SNOM) in a backscattering configuration for fluorescence imaging. The feasibility of the setup was tested on 100nm latex spheres...

Analysis of the interferometric effect of the background light in apertureless scanning near-field optical microscopy (2003)

Aubert, S, Bruyant, A, Blaize, S, Bachelot, R, Lerondel, G, Hudlet, S, ...

We investigate in detail the interferometric nature of the signal delivered by an apertureless scanning near-field optical microscope (SNOM) This nature is first brought to the fore by near-field...

Apertureless near-field optical microscopy: A study of the local tip field enhancement using photosensitive azobenzene-containing films (2003)

Bachelot, R, H'Dhili, F, Barchiesi, D, Lerondel, G, Fikri, R, Royer, Pierre; U0037634, ...

The local optical field enhancement which can occur at the end of a nanometer-size metallic tip has given rise to both increasing interest and numerous theoretical works on near-field optical...

Modeling recent experiments of apertureless near-field optical microscopy using 2D finite element method (2003)

Fikri, R, Barchiesi, D, H'Dhili, F, Bachelot, R, Vial, A, Royer, Pierre; U0037634

Recently promising experiments of apertureless scanning near-field optical microscopy (ASNOM) have been reported [Appl. Phys. Lett. 79 (24) (2001) 4019]. They deal with the study of the confinement...

Gemini observations of Wolf-Rayet stars in the Local Group starburst galaxy IC 10 (2003)

Crowther, PA, Drissen, L, Abbott, JB, Royer, Pierre; U0037634, Smartt, SJ

We present Gemini-N GMOS and CFHT MOS spectroscopy of Wolf-Rayet candidates in the Local Group dwarf galaxy IC 10 that were previously identified by Massey et al. and Royer et al. From the present...

Nano-patterning photosensitive polymers using local field enhancement at the end of apertureless SNOM tips (2003)

H'dhili, F, Bachelot, R, Rumyantseva, A, Lerondel, G, Royer, Pierre; U0037634

We show experimentally that local optical field enhancement can occur at the end of an apertureless SNOM tip illuminated by an external light source. Our approach consists in the use of a...

Apertureless scanning near-field optical microscopy for ion exchange channel waveguide characterization (2003)

Blaize, S, Aubert, S, Bruyant, A, Bachelot, R, Lerondel, G, Royer, Pierre; U0037634, ...

We report the characterization of an integrated Ag+ /Na+ ion exchange waveguide realized in a silicate glass substrate using apertureless scanning near-field optical microscopy. Our experimental...

Classification of Wolf-Rayet stars in NGC 595 in M 33 through high-spatial resolution observations (2003)

Royer, Pierre, Lundström, Ingemar, Vreux, Jean-Marie

NGC 595 is, after NGC 604, the second most luminous HII region in theMilky Ways neighbouring spiral galaxy M 33. Its Wolf-Rayet starcontent has mainly been unveiled by two different channels. On the...

Solute diffusion in fractured porous media with memory effects due to adsorption (2002)

Lewandowska, J, Auriault, JL, Empereur, S, Royer, Pierre; U0037634

Modelling of solute transport in fractured porous media is a subject of intensive research in many engineering disciplines, such as petroleum engineering, water resources management, civil...

Continuum modelling of contaminant transport in fractured porous media (2002)

Royer, Pierre; U0037634, Auriault, JL, Lewandowska, J, Serres, C

This work is aimed towards deriving macroscopic models that describe pollutant migration through fractured porous media. A homogenisation method is used, that is, macroscopic models are deduced from...

Coriolis effects on filtration law in rotating porous media (2002)

Auriault, JL, Geindreau, C, Royer, Pierre; U0037634

We investigate the filtration law of incompressible viscous Newtonian fluids in rigid non-inertial porous media, for example, rotating porous media. The filtration law is obtained by upscaling the...

Second order self-organized pattern of terbium-scandium-aluminum garnet and terbium-scandium perovskite eutectic (2002)

Pawlak, DA, Lerondel, G, Dmytruk, I, Kagamitani, Y, Durbin, S, Royer, Pierre; U0037634, ...

Tb3Sc2Al3O12 has been grown as a crystal showing high Faraday effect. A self-organized pattern, of directionally formed eutectic, has been observed at the edge of the Tb3Sc2Al3O12 microcrystals grown...

Filtration law for power-law fluids in anisotropic porous media (2002)

Auriault, JL, Royer, Pierre; U0037634, Geindreau, C

This work is concerned with modelling steady-state slow flow of incompressible power-law fluids in porous media. The macroscopic filtration law is derived by upscaling the pore-scale description. The...

End-of-fiber polymer tip: manufacturing and modeling (2002)

Hocine, M, Bachelot, R, Ecoffet, C, Fressengeas, N, Royer, Pierre; U0037634, Kugel, G

A flexible method of manufacturing polymer elements at the extremity of both single mode and multimode optical fibers is reported. The procedure consists in depositing a drop of liquid...

Acoustics of a porous medium saturated by a bubbly fluid undergoing phase change (2002)

Auriault, JL, Boutin, C, Royer, Pierre; U0037634, Schmitt, D

The objective of this work is the derivation of the wave equations for describing acoustics in a deformable porous medium saturated by a bubbly fluid, when capillary, thermal and phase change effects...

The spirit of competition: Wak in Burkina Faso (2002)

Royer, Pierre; U0037634

This article examines the occult powers used to obtain protection or to gain an advantage in modem competitive arenas. In Burkina Faso, these powers are widely known as wak. The discussion focuses on...

Near-field optics: Direct observation of the field enhancement below an apertureless probe using a photosensitive polymer (2001)

H'dhili, F, Bachelot, R, Lerondel, G, Barchiesi, D, Royer, Pierre; U0037634

We report the direct observation of the optical near-field enhancement at the nanometric extremity of a metallic probe for apertureless scanning near-field optical microscopy. Our approach consists...

Integration of micrometer-sized polymer elements at the end of optical fibers by free-radical photopolymerization (2001)

Bachelot, R, Ecoffet, C, Deloeil, D, Royer, Pierre; U0037634, Lougnot, DJ

A simple method of manufacturing micrometer-sized polymer elements at the extremity of both single-mode and multimode optical fibers is reported. The procedure consists of depositing a drop of a...

Integration of polymer elements at the end of optical fibers by free-radical photopolymerization (2001)

Ecoffet, C, Bachelot, R, Deloeil, D, Royer, Pierre; U0037634, Lougnot, DJ

In this article, we report a method of free-radical photopolymerization on the top end of a single-mode optical fiber. The process is very simple to carry out and uses the visible light guided in the...

A first detailed study of the colliding wind WR+O binary WR 30a (2001)

Gosset, E, Royer, Pierre; U0037634, Rauw, G, Manfroid, J, Vreux, JM

We present a detailed, extensive investigation of the photometric and spectroscopic behaviour of WR 30a. This star is definitely a binary system with a period around 4.6 d. We propose the value P =...

Observation of nanometric metallic particles with an apertureless scanning near-field optical microscope (2001)

Benrezzak, S, Adam, PM, Bijeon, JL, Royer, Pierre; U0037634

The near field of an isolated gold metallic nanoparticle laid on a quartz substrate has been investigated using an apertureless scanning near-field optical microscope (SNOM). We performed a...

Fluorescence imaging of submicrometric lattices of colour centres in LiF by an apertureless scanning near-field optical microscope (2001)

Adam, PM, Benrezzak, S, Bijeon, JL, Royer, Pierre; U0037634, Guy, S, Jacquier, B, ...

We report fluorescence imaging of colour centres in Lithium Fluoride (LiF) using an apertureless Scanning Near Field Optical Microscope (SNOM). The sample consists of periodically spaced...

Influence of tip modulation on image formation in scanning near-field optical microscopy (2001)

Walford, JN, Porto, JA, Carminati, R, Greffet, JJ, Adam, PM, Hudlet, S, ...

Modulation of the probe height in a scanning near-field optical microscope (SNOM) is a technique that is commonly used for both distance control and separation of the near-field signal from a...

Higher period ordered phases on the Bethe lattice (2001)

Gruber, C, Macris, N, Royer, Pierre; U0037634, Freericks, JK

We solve for period-three ordered phases on the infinite-coordination Bethe lattice. The model we have chosen to analyze is the spinless Falicov-Kimball model (although we believe these results...

The WR content of IC10 - first detection of WC9 stars in a low metallicity environment? (2001)

Royer, Pierre; U0037634, Smartt, SJ, Manfroid, J, Vreux, JM

We present deep, narrow-hand photometry of the Local Group starburst galaxy IC10. Our dedicated photometric system provides detection of 13 new Wolf-Rayet (WR) stars and allows spectral subtypes to...

Compact star clusters of the LMC H II region N11 C (vol 361, pg 877, 2000) (2000)

Heydari-Malayeri, M, Royer, Pierre; U0037634, Rauw, G, Walborn, NR

Based on imaging and spectroscopy obtained at the ESO NTT telescope and using an efficient image analysis algorithm, we study the core of the LMC OB association LH 13, particularly the two compact...

Localized surface plasmons on nanometric gold particles observed with an apertureless scanning near-field optical microscope (2000)

Adam, PM, Benrezzak, S, Bijeon, JL, Royer, Pierre; U0037634

Using an apertureless scanning near-held optical microscope, we obtained wavelength dependent images of an isolated gold nanometric particle laid on a quartz substrate. The images show a sharp...

Filtration law in rotating porous media (2000)

Auriault, JL, Geindreau, C, Royer, Pierre; U0037634

We investigate the filtration law in rigid non-galilean porous media of incompressible viscous Newtonian fluids. The filtration law is obtained by upscaling the flow from the pore scale. We use, the...

Compact star clusters of the LMC H ii region N11 C (2000)

Heydari-Malayeri, Mohammad, Royer, Pierre, Rauw, Grégor, Walborn, Nolan R

Based on imaging and spectroscopy obtained at the ESO NTT telescope and using an efficient image analysis algorithm, we study the core of the LMC OB association LH 13, particularly the two compact...

Compact star clusters of the LMC HII region N11C (2000)

Heydari-Malayeri, M, Royer, Pierre; U0037634, Rauw, G, Walborn, NR

Based on imaging and spectroscopy obtained at the ESO NTT telescope and using an efficient image analysis algorithm, we study the core of the LMC OB association LH 13, particularly the two compact...

Transverse collection of pions (2000)

Autin, B, Royer, Pierre; U0037634

The early stages of a neutrino factory are critical to fulfill physics requirements in the final muon storage ring. The transverse collection of pions behind the target is therefore a crucial feature...

Simulations of observations with the Optical Monitor of the X-ray Multi-Mirror Satellite (2000)

Royer, Pierre; U0037634, Manfroid, J, Gosset, E, Vreux, JM

This paper addresses the question of the observations to be performed with the Optical Monitor (OM) of the X-ray Multi-Mirror Satellite (XMM) under several aspects, First, we discuss XMM-OM's...

Derivation of macroscopic filtration law for transient linear viscoelastic fluid flow in porous media (2000)

Khuzhayorov, B, Auriault, JL, Royer, Pierre; U0037634

This work is concerned with deriving a macroscopic filtration law for describing transient linear viscoelastic fluid flow in porous media. This is performed using a homogenisation technique, i.e. by...

Photopolymerization induced by optical field enhancement in the vicinity of a conducting tip under laser illumination (2000)

Wurtz, G, Bachelot, R, H'Dhili, F, Royer, Pierre; U0037634, Triger, C, Ecoffet, C, ...

We introduce a method of local photopolymerization in the submicrometer scale. The source used is a metallic tip whose extremity presents a strong localized optical near-field enhancement (FE) when...

Assessment of iodine in the diet of people living around a nuclear reprocessing plant: Dose-related consequences of an intake of I-129 (2000)

Le Guen, B, Exmelin, L, Berard, P, Malarbet, JL, Royer, Pierre; U0037634

It is important that in radioiodine dosimetry for low levels of daily intake, allowance must be made for the normal daily intake of stable iodine. This intake varies from one region to another, and...

Analysis of the influence of the tip vibration in the formation of images in apertureless scanning near-field optical microscopy (2000)

Adam, PM, Bijeon, JL, Viardot, G, Royer, Pierre; U0037634

The theoretical influence of the vertical vibration of the tip is investigated to calculate the images of a quartz grating in an apertureless scanning near-field optical microscope configuration, a...

Near field magneto-optical circular dichroism using an apertureless probe (1999)

Bergossi, O, Wioland, H, Hudlet, S, Deturche, R, Royer, Pierre; U0037634

We present an original magneto-optical Scanning Near-field-Optical Microscope (SNOM) configuration,, using an apertureless probe, and devoted to the characterization in transmission of magnetic...

Detection of an evanescent field scattered by silicon tips in an apertureless scanning near-field optical microscope (1999)

Laddada, R, Benrezzak, S, Adam, PM, Viardot, G, Bijeon, JL, Royer, Pierre; U0037634

We describe how a commercial silicon cantilever can be used both as a force probe and a local scatterer of light. This tip can thus be used as the key element of an apertureless Scanning Near-field...

Magneto-optical Faraday imaging with an apertureless scanning near field optical microscope (1999)

Wioland, H, Bergossi, O, Hudlet, S, Mackay, K, Royer, Pierre; U0037634

We have developed an apertureless Scanning Wear field Optical Microscope (SNOM) in transmission, devoted to near field magneto-optics. Our apertureless SNOM combines an inverted optical microscope,...

Imaging a GaAlAs laser diode in operation using apertureless scanning near-field optical microscopy (1999)

Wurtz, G, Bachelot, R, Royer, Pierre; U0037634

We report the local study of an operating double hetero-junction GaAs/GaAlAs laser diode by apertureless Scanning Near-field Optical Microscopy (SNOM). This study allows the characterization of the...

Narrow-band photometry of the eclipsing WN7+O binary WR 22 (1999)

Royer, Pierre; U0037634, Rauw, G, Manfroid, J, Gosset, E, Vreux, JM

In the present paper, we discuss photometric observations of the February 1996 eclipse of the very massive WR+O binary WR 22. Our data were obtained with a set of narrow-band filters, specially...

Acoustic absorption of porous surfacing with dual porosity (1998)

Boutin, C, Royer, Pierre; U0037634, Auriault, JL

This paper is devoted to the determination of the acoustic characteristics of a porous medium saturated by air. The analysis of sound propagation in such a medium is performed using an homogenization...

An application of the apertureless scanning near-field optical microscopy: imaging a GaAlAs laser diode in operation (1998)

Bachelot, R, Wurtz, G, Royer, Pierre; U0037634

The imaging of a commercial GaAlAs semiconductor laser emitting at 0.78 mu m has been performed by apertureless scanning near-field optical microscopy using a sharp metallic tip. This tip was used as...

Apertureless near-field optical microscope in reflection and transmission modes (1998)

Laddada, R, Adam, PM, Royer, Pierre; U0037634, Bijeon, JL

Apertureless Scanning Near-field Optical Microscope (SNOM) receives an increasing interest in local imaging and analysis. We report a hybrid microscope composed of a commercial Atomic Force...

A dedicated photometric system for the classification of Wolf-Rayet stars (1998)

Royer, Pierre; U0037634, Vreux, JM, Manfroid, J

We present here tests of a five-filter photometric system aimed at WR classification. In addition to the well-known easy separation between the WN and WC spectral types, these tests indicate...

Apertureless near-field optical microscopy: influence of the illumination conditions on the image contrast (1998)

Adam, PM, Royer, Pierre; U0037634, Laddada, R, Bijeon, JL

We report a hybrid microscope composed of an apertureless scanning near-field optical microscope and a commercial atomic force microscope. We discuss the optical origin of the near-field images of a...

A reflection-mode apertureless scanning near-field optical microscope developed from a commercial scanning probe microscope (1998)

Wurtz, G, Bachelot, R, Royer, Pierre; U0037634

We have developed a polyvalent reflection-mode apertureless scanning near-field optical microscope (SNOM) from a commercial scanning probe microscope (SPM). After having explained our motivations, we...

Polarization contrast with an apertureless near-field optical microscope (1998)

Adam, PM, Royer, Pierre; U0037634, Laddada, R, Bijeon, JL

We report on an apertureless scanning near-field optical microscope operating in reflection mode and based on a commercial AFM. We discuss the optical origin of the near-field images of a test...

Near field optical microscopy and spectroscopy with STM and AFM probes (1998)

Bergossi, O, Bachelot, R, Wioland, H, Wurtz, G, Laddada, R, Adam, PM, ...

This article deals with a new generation of scanning near field optical microscopes (SNOM), called apertureless SNOM, based on metallic, semi-conductive or dielectric probes. The classification of...

Macroscopic modeling of double-porosity reservoirs (1996)

Royer, Pierre; U0037634, Auriault, JL, Boutin, C

This paper deals with the seepage of a fluid through a fractured porous medium. It summarizes important results obtained using the homogenization method for periodic structures. Thereby, unlike the...

A method to optimize intermediate-passband photometric systems (1996)

Royer, Pierre; U0037634, Manfroid, J

A method is proposed to optimize the definition of existing photometric filters in order to minimize passband-matching problems. It is argued that the ''improved'' systems should generally yield...

Contribution of the homogenization process to the seepage through fractured porous-media (1995)

Royer, Pierre; U0037634, Auriault, Jl, Boutin, C

This paper deals with the seepage of a fluid through a fissured porous medium. Conversely to the phenomenological approaches we treat this problem by using the homogenization method of asymptotic...

Uptake and urinary-excretion of uranium after oral-administration in man (1994)

Harduin, Jc, Royer, Pierre; U0037634, Piechowski, J

A recently published radiotoxicological technique makes it possible to detect traces of uranium in urine in routine monitoring. This technique was used in an experimental study carried out with...

Transient quasi-static gas-flow through a rigid porous-medium with double-porosity (1994)

Royer, Pierre; U0037634, Auriault, Jl

The highly compressible fluid flow through a three-scales rigid porous medium (pore, fracture, macroscopic sample) is investigated using a homogenization method. The macroscopic description is...

Gas-flow through a double-porosity porous-medium (1993)

Auriault, Jl, Royer, Pierre; U0037634

The flow of a very compressible fluid through a three-scale medium (pore, fracture, macroscopic sample) is investigated using a homogenization method. The macroscopic description is strongly...

Double conductivity media - a comparison between phenomenological and homogenization approaches (1993)

Auriault, Jl, Royer, Pierre; U0037634

The heat transfer model for the double conductivity medium is investigated. The medium is composed of two homogeneous materials which differ considerably in their conductivity characteristics. The...

Methylprednisolone versus prednisolone methylsulfobenzoate in the treatment of bullous pemphigoid - randomized multicentric study (1993)

Dreno, B, Sassolas, B, Lacour, P, Montpoint, S, Lota, I, Giordano, F, ...

Bullous pemphigoid is a bullous skin disease associated with basal membrane antibodies. At present, the first treatment of these lesions is with corticosteroids. In this randomized study we compared...

Peripheral facial paralysis and hiv-infection - report of 2 cases (1992)

Doutre, Ms, Beylot, C, Beylot, J, Long, P, Royer, Pierre; U0037634, Lacoste, D

Two cases of peripheral facial paralysis in subjects with HIV infection are reported. On the basis of these two cases and data from the literature, the clinical and paraclinical features of this...

Chilblain lupus-erythematosus - report of 15 cases (1992)

Doutre, Ms, Beylot, C, Beylot, J, Pompougnac, E, Royer, Pierre; U0037634

In this retrospective study, the authors describe the clinical, histologic and laboratory features of 15 cases of chilblain or perniotic lupus. In winter, the patients (14 women, 1 man) develop...

LONG-TERM WARRANTS AS FINANCING INSTRUMENTS. (1970)

ROYER, PIERRE

DISSERTATION (PH.D.)--THE UNIVERSITY OF MICHIGAN

Etude de l'hémoglobinémie puerpérale de la vache laitière dans le Poitou / (1956)

Royer, Pierre.

Thesis (doctoral)--Ecole nationale vétérinaire de Toulouse, 1956.

Médecine et société

Pierre Royer

Pierre Royer : Medicine and Society. A sociology of medicine is gradually emerging that suits the needs of sociologists and doctors. Some examples of this are given in certain areas of research:...