Olivier Merchiers

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Near-field optoelectronic heat engines and thermal emission of subwavelength objects

Julien Legendre , Thomas Châtelet , Kyriaki Kontou , Jose Manuel Sojo Gordillo , Ahmed Alwakil et al.
15th international conference on Metamaterials, Photonic Crystals and Plasmonics (META), Jul 2025, Malaga, Spain
Communication dans un congrès hal-05347646 v1

Electroluminescence and thermophotovoltaics as key elements of radiative heat engines

Thomas Châtelet , Julien Legendre , Olivier Merchiers , Pierre-Olivier Chapuis
Optica Advanced Photonics Congress – SOLITH session, Jul 2025, Marseille, France
Communication dans un congrès hal-05407143 v1

Thermophotonic cooling

Thomas Châtelet , Julien Legendre , Olivier Merchiers , Pierre-Olivier Chapuis
Workshop on Thermal Radiation to Electrical Energy conversion (TREE), May 2025, Villeurbanne (Lyon), France
Communication dans un congrès hal-05407212 v1

Experimental Study of Thermal Emission by Subwavelength Apertures

Kyriaki Kontou , Olivier Merchiers , Pierre-Olivier Chapuis
2025 PhotonIcs & Electromagnetics Research Symposium (PIERS), May 2025, Abu Dhabi, United Arab Emirates
Communication dans un congrès hal-05407175 v1

Nanoscale thermal radiation including sub-wavelength emitters; application to energy-conversion devices

Julien Legendre , Mathieu Thomas , Thomas Châtelet , Arlea Koskenniemi , Basile Roux et al.
Workshop on Casimir forces and nanoscale heat transfer, Jul 2025, Bad Zwischenahn, Germany
Communication dans un congrès hal-05347648 v1

Thermal emission by sub-wavelength planar finite objects

Kyriaki Kontou , Olivier Merchiers , Azeddine Tellal , T. Benyatou , Jean -Louis Leclercq et al.
Optica Advanced Photonics Congress – SOLITH session, Jul 2025, Marseille, France
Communication dans un congrès hal-05407165 v1

Energy conversion from near-field thermal radiation using metal-insulator-metal tunneling diode

Yuji Oka , Zhen Liu , Makoto Shimizu , Olivier Merchiers , Pierre-Olivier Chapuis et al.
62nd national heat transfer symposium/HTSJ international heat transfer symposium, Apr 2025, Okinawa, Japan
Communication dans un congrès hal-05407199 v1

Phonon polaritons and their impact on energy harvesting and cooling technologies

Thomas Châtelet , Julien Legendre , Kyriaki Kontou , Wissal Sghaier , Pierre-Olivier Chapuis et al.
Thermal Polaritonics Workshop, LEE Bong Jae, Apr 2025, Daejeon, South Korea
Communication dans un congrès hal-05042794 v1

Infrared bolometers: sensitivity, near-field, and thickness optimization

O. Merchiers , A. Varpula , K. Tappura , P.-O. Chapuis , M. Prunnila
5th International Workshop on Nano-Micro Thermal Radiation (NanoRad 2024), Jul 2024, Sapporo, Japan
Communication dans un congrès hal-04803806 v1

Thermal radiation at the nanoscale, electroluminescence, single and dual radiative heat engines

Julien Legendre , Thomas Châtelet , Mathieu Thomas , Olivier Merchiers , Pierre-Olivier Chapuis
14th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2024), PIERS, Jul 2024, Toyama, Japan
Communication dans un congrès hal-04792439 v1

Near-field thermophotonic refrigeration

T. Châtelet , J. Legendre , P.-O. Chapuis , O. Merchiers
5th International Workshop on Nano-Micro Thermal Radiation (NanoRad 2024), Jul 2024, Sapporo, Japan
Communication dans un congrès hal-04803804 v1

Near-field thermal radiation, thermophotovoltaics and polaritons

Christophe Lucchesi , Julien Legendre , Thomas Châtelet , Dilek Cakiroglu , Jean-Philippe Perez et al.
Thermal Polaritonics Workshop, Apr 2023, Tokyo, France
Communication dans un congrès hal-04310983 v1

Thermal Radiation Around a Nanobubble Generated by a Heated Gold Nanoparticle

Sreyash Sarkar , Jérôme Sarr , Olivier Merchiers , Pierre-Olivier Chapuis
2023 MRS Fall Meeting, MRS, Nov 2023, Boston (MA), United States
Communication dans un congrès hal-04430046 v1

Thermodynamics of AlGaAs near-field thermophotonic devices for energy harvesting and cooling purposes

Julien Legendre , Thomas Châtelet , Olivier Merchiers , Pierre-Olivier Chapuis
Photonics West 2023 - Photonic Heat Engines: Science and Applications V, Feb 2023, San Francisco, United States
Communication dans un congrès hal-03979096 v1

Electroluminescence overcoming thermal radiation in near field: conditions for a nanothermophotonic refrigerator

Thomas Châtelet , Julien Legendre , Olivier Merchiers , Pierre-Olivier Chapuis
Workshop on Thermal Radiation to Electrical Energy conversion, Oct 2023, Nantes, France
Communication dans un congrès hal-04311004 v1

Thermal radiation across a water nanobubble induced by a heated gold nanoparticle

Sreyash Sarkar , Jerome Sarr , Olivier Merchiers , Pierre-Olivier Chapuis
Trends in Nanotechnologies (TNT), Aug 2023, Villeurbanne, France
Communication dans un congrès hal-04310999 v1

Thermal Radiation, Electroluminescence and Heat Engines in the Near Field

Julien Legendre , Thomas Chatelet , Mathieu Thomas , Christophe Lucchesi , Olivier Merchiers et al.
Progress In Electromagnetrics Symposium (PIERS) 2023 - Focus Session «Casimir Effect and Radiative Heat Transfer», Jul 2023, Prague, Czech Republic
Communication dans un congrès hal-04310856 v1

Near-field thermal radiation vs near-field electroluminescence: conditions for a thermophotonic refrigerator,

Thomas Chatelet , Julien Legendre , Pierre-Olivier Chapuis , Olivier Merchiers
MRS Spring Meeting Symposium, "Emerging Thermal Materials—From Nanoscale Heat Transport, Devices and Applications, to Theories", Apr 2023, San Francisco, United States
Communication dans un congrès hal-04310989 v1

Near-field radiative heat transfer between a suspended silicon nanowire and a flat surface

Jose M. Sojo-Gordillo , Ahmed Alwakil , Pierre-Olivier Chapuis , Olivier Merchiers , Alex Morata et al.
Eurotherm 114: Nanoscale and Microscale Heat Transfer VII, May 2022, Palermo, Italy
Communication dans un congrès hal-03863482 v1

Near-field radiative heat transfer between concentric cylinders from room to sub-kelvin temperatures

Ahmed Alwakil , Olivier Merchiers , Mika Prunnila , Pierre-Olivier Chapuis
Eurotherm 114: Nanoscale and Microscale Heat Transfer VII, May 2022, Palermo, Italy
Communication dans un congrès hal-03863499 v1

Controlling near-field thermal energy for conversion devices and sensing

Christophe Lucchesi , Julien Legendre , Khac-Long Nguyen , Ahmed Alwakil , Dilek Cakiroglu et al.
Program on Emerging Regimes and Implications of Quantum and Thermal Fluctuational Electrodynamics (Flectro2022), Kavli Institute of Theoretical Physics (KITP), Jul 2022, UC Santa Barbara, United States. ⟨10.26081/K6R93X⟩
Communication dans un congrès hal-03813941 v1

Low-Temperature Near-Field Thermal Radiation in Multilayer Concentric Cylindrical Geometry

Ahmed Alwakil , Olivier Merchiers , Mika Prunnila , Pierre-Olivier Chapuis
Focus Session on « Fluctuational Electrodynamics and Heat Transfer », Progress In Electromagnetism Research (PIERS) 2019 conference, Jun 2019, Rome, Italy
Communication dans un congrès hal-02043075 v1

Tip-sample thermal transport through photon tunneling

Pierre-Olivier Chapuis , Christophe Lucchesi , Khac Long Nguyen , Rodolphe Vaillon , Olivier Merchiers
Workshop on Molecular Scale Thermoelectricity – Materials, Modelling and Measurements (MoST-M3), Sep 2019, Cambridge, United Kingdom
Communication dans un congrès hal-02379636 v1

Near-field thermal radiation exchanged by a plasmonic metal particle and a surrounding bubble

Jérôme Sarr , Olivier Merchiers , Pierre-Olivier Chapuis
Photothermal Effects in Plasmonics - PEP2018, Jun 2018, Porquerolles, France
Communication dans un congrès hal-02025524 v1

Near-field radiative heat transfer in scanning microscopy applications

K.L. Nguyen , Olivier Merchiers , Pierre-Olivier Chapuis
Focus Session on « Casimir Effect and Heat Transfer », Progress In Electromagnetism Research (PIERS) 2018, Aug 2018, Toyoma, Japan
Communication dans un congrès hal-02025489 v1

Thermal radiation at the wavelength scale and thermophotovoltaics

Pierre-Olivier Chapuis , Etienne Blandre , Khac-Long Nguyen , Yoichiro Tsurimaki , Christophe Lucchesi et al.
International Materials Research Congress (I-MRS), Symposium on “Heat Transfer at the nanoscale”, Aug 2018, Cancun, Mexico
Communication dans un congrès hal-01932499 v1

Enhanced Thermal Emission by Spheres and Temperature-dependent Effects

K.L. Nguyen , Olivier Merchiers , Pierre-Olivier Chapuis
Focus Session on "New Advances in Light Scattering by Particles in the Micron and sub-Micron Regimes 1", Progress In Electromagnetism Research (PIERS) 2018, Aug 2018, Toyama, Japan
Communication dans un congrès hal-02025463 v1

Size and temperature dependent radiative emission of nanoparticles in vacuum or in a cavity

K.L. Nguyen , Jérôme Sarr , Olivier Merchiers , Etienne Blandre , Pierre-Olivier Chapuis
3rd International Workshop on Nano-Micro Thermal Radiation (NanoRad 2017), Jun 2017, Daejeon, South Korea
Communication dans un congrès hal-02025159 v1

Radiative transfer reduction through a multilayer cavity design

Olivier Merchiers , Etienne Blandre , Pierre-Olivier Chapuis , Rodolphe Vaillon
3rd International Workshop on Nano-Micro Thermal Radiation, Jun 2017, Deajon, South Korea
Communication dans un congrès hal-01830225 v1

Sub-wavelength thermal radiation and thermophotovoltaics

Pierre-Olivier Chapuis , Etienne Blandre , Khac-Long Nguyen , Jérôme Sarr , Olivier Merchiers et al.
PIERS, May 2017, Saint Petersbourg, Russia
Communication dans un congrès hal-01832272 v1

Size and temperature dependent radiative emission of spherical particles in vacuum or in a cavity

K.L. Nguyen , Jérôme Sarr , Olivier Merchiers , Pierre-Olivier Chapuis
3rd International Workshop on Nano-Micro Thermal Radiation (NanoRad 2017), Jun 2017, Daejon, South Korea
Communication dans un congrès hal-01932622 v1

Low-permittivity layers for reduced near-field radiative heat transfer

Mathieu Vincent , Pierre-Olivier Chapuis , Rodolphe Vaillon , Olivier Merchiers
Thermal Nanosciences and Nanoengineering, GDRe workshop, Nov 2017, Lille, France
Communication dans un congrès hal-01831338 v1

Near-field radiative heat transfer in scanning thermal microscopy involving dielectrics

Khac-Long Nguyen , Olivier Merchiers , Pierre-Olivier Chapuis
GDRe Workshop on Thermal Nanosciences and NanoEngineering, Nov 2017, Lille, France
Communication dans un congrès hal-02031130 v1

Near-field and far-field analyses of evanescent wave scattering by particles on a surface

Jean-Michel Geffrin , Maha Chamtouri , Jean-Sébastien Bailly , Olivier Merchiers , Jessica Benedicto et al.
Electromagnetic Light Scattering (ELS), 2015, Liepzig, Germany
Communication dans un congrès hal-01333499 v1

Electromagnetic surface wave scattering with microwaves

Maha Chamtouri , Olivier Merchiers , Mathieu Francoeur , Hervé Tortel , Jean-Michel Geffrin et al.
PIERS 2014, Aug 2014, Guangzhou, China
Communication dans un congrès hal-01285224 v1

Analyse expérimentale de la diffusion électromagnétique par des particules complexes via l'analogie micro-ondes

Rodolphe Vaillon , Jean-Michel Geffrin , Christelle Eyraud , Olivier Merchiers , Pierre Sabouroux et al.
Réunion GDR ACCORT - Journée SFT, 2011, Nancy, France
Communication dans un congrès hal-01023431 v1

3-dimensional microwave scattering measurements on a complex aggregate with fully known properties

Olivier Merchiers , Jean Michel Geffrin , Rodolphe Vaillon , Pierre Sabouroux , Bernard Lacroix
PIERS Progress In Electromagnetics Research Symposium, Aug 2009, MOSCOW, Russia
Communication dans un congrès hal-00437600 v1

Peut-on considérer des mesures de diffraction comme référence " ultime " pour tester des modèles et des codes de simulation ?

Jean-Michel Geffrin , Rodolphe Vaillon , Christelle Eyraud , Pierre Sabouroux , Olivier Merchiers
Session plénière du GdR Ondes, Nov 2009, Paris, France
Communication dans un congrès hal-00437592 v1

Performances of far- and near-field thermophotonic refrigeration devices from the detailed-balance approach

Thomas Châtelet , Julien Legendre , Olivier Merchiers , Pierre-Olivier Chapuis
Journal of Applied Physics, 2025, 138 (17), ⟨10.1063/5.0274193⟩
Article dans une revue hal-05357631 v1

Temperature-dependent and optimized thermal emission by spheres

K.L. Nguyen , Olivier Merchiers , Pierre-Olivier Chapuis
Applied Physics Letters, 2018, 112 (11), ⟨10.1063/1.5010426⟩
Article dans une revue hal-01930362 v1

Near-field radiative heat transfer in scanning thermal microscopy computed with the boundary element method

K.L. Nguyen , Olivier Merchiers , Pierre-Olivier Chapuis
Journal of Quantitative Spectroscopy and Radiative Transfer, 2017, 202, pp.154 - 167. ⟨10.1016/j.jqsrt.2017.07.021⟩
Article dans une revue hal-01930368 v1

The Surface Wave Scattering – Microwave Scanner (SWS-MS)

Jean-Michel Geffrin , Maha Chamtouri , Olivier Merchiers , Hervé Tortel , Amelie Litman et al.
Journal of Quantitative Spectroscopy and Radiative Transfer, 2016, 168, pp. 1-9. ⟨10.1016/j.jqsrt.2015.08.019⟩
Article dans une revue hal-01281203 v1

Effective Medium Description of Plasmonic Couplings in Disordered Polymer and Gold Nanoparticle Composites

Julien Vieaud , Olivier Merchiers , M. Rajaoarivelo , M. Warenghem , Y. Borensztein et al.
Thin Solid Films, 2016, 603, pp. 452-464. ⟨10.1016/j.tsf.2016.02.022⟩
Article dans une revue hal-01285201 v1

Trapping of gold nanoparticles within arrays of topological defects: evolution of the LSPR anisotropy

Emmanuelle Lacaze , Olivier Merchiers , Borenzstein Y. , Delphine Coursault
Rendiconti Lincei, 2015, 26, pp.183
Article dans une revue hal-01285197 v1
Image document

Polarization effects in 3D vectorial induced current reconstructions

Christelle Eyraud , Rodolphe Vaillon , Amelie Litman , Jean-Michel Geffrin , Olivier Merchiers
Journal of the Optical Society of America. A Optics, Image Science, and Vision, 2013, 30 (10), pp.1967-1974. ⟨10.1364/JOSAA.30.001967⟩
Article dans une revue hal-01811746 v1
Image document

Gold nanoparticle self-assembly moderated by a cholesteric liquid crystal

Joel S. Pendery , Olivier Merchiers , Delphine Coursault , Johan Grand , Habib Ayeb et al.
Soft Matter, 2013, 9 (39), pp.9366-9375 ⟨10.1039/C3SM51736E⟩
Article dans une revue hal-01213716 v1

Microwave measurements of the full amplitude scattering matrix of a complex aggregate: a database for the assessment of light scattering codes

Olivier Merchiers , Christelle Eyraud , Jean-Michel Geffrin , Rodolphe Vaillon , Brian Stout et al.
Optics Express, 2010, 18 (3), pp.2056-2075. ⟨10.1364/OE.18.002056⟩
Article dans une revue hal-00453661 v1

Microwave analog to light scattering measurements on a fully characterized complex aggregate

Olivier Merchiers , Jean-Michel Geffrin , Rodolphe Vaillon , Pierre Sabouroux , Bernard Lacroix
Applied Physics Letters, 2009, 94 (18), pp.181107
Article dans une revue hal-00437589 v1

STORE: Spectrumless near-field Thermal Radiation sensor for nanOmaterial characterization

Kyriaki Kontou , Azeddine Tellal , Mathieu Thomas , Pierre-Olivier Chapuis , Agnès Andrée Delmas et al.
C’Nano 2025: The Nanoscience Meeting, Mar 2025, Paris, France
Poster de conférence hal-05407245 v1

Near and far-field thermal radiation simulations using FEM with stochastic sources

Azeddine Tellal , Kyriaki Kontou , Xavier Letartre , Olivier Merchiers , Pierre-Olivier Chapuis et al.
ELENAM summer school: metrology at the nanoscale, Jun 2024, Fréjus, France
Poster de conférence hal-04803816 v1

A radiative thermal device for refrigeration: the near-field thermophonic cooler

Thomas Châtelet , Julien Legendre , Pierre-Olivier Chapuis , Olivier Merchiers
15th World Conference on Thermophotovoltaic Generation of Electricity (TPV-15), Oct 2024, Madrid, Spain
Poster de conférence hal-04803789 v1

Far and near-field signatures of thermally-emitting nanostructures

Kyriaki Kontou , Olivier Merchiers , Pierre-Olivier Chapuis
CNRS scientific school devoted to ‘Thermics and nanophotonics’, Apr 2024, Les Houches, France
Poster de conférence hal-04804002 v1

Near-field thermal radiation rectenna

Yuji Oka , Zhen Liu , Makoto Shimizu , Hiroo Yugami , Olivier Merchiers et al.
5th International Workshop on Nano-Micro Thermal Radiation (NanoRad 2024), Jul 2024, Sapporo, Japan
Poster de conférence hal-04803802 v1

Spectral thermal emission of vertically and horizontally nanostructured surfaces

K. Kontou , O. Merchiers , J.-L. Leclercq , T. Benyattou , X. Letartre et al.
Nanoscale and Microscale Heat Transfer VIII (NMHT 2024), Jun 2024, Girona, Spain
Poster de conférence hal-04803810 v1

Impact of roughness on the energy harvesting in thermophotonic devices

Thomas Châtelet , Julien Legendre , Pierre-Olivier Chapuis , Olivier Merchiers
14th Conference on Thermophotovoltaic Generation of Electricity (TPV-14), May 2023, online (organized by Univ. Michigan), United States
Poster de conférence hal-04310990 v1

Infrared and radiative thermal characterization of nanomaterials in near- and far-field regimes

Kyriaki Kontou , Christophe Lucchesi , Olivier Merchiers , Pierre-Olivier Chapuis
Ecole résidentielle interdisciplinaire en nanosciences et nanotechnologies (ERIN²C’NANO school), Jul 2023, Saint Jacut de la Mer, France
Poster de conférence hal-04311001 v1

Thermal radiation around a nanobubble generated by a heated gold nanoparticle

Sreyash Sarkar , Jerome Sarr , Olivier Merchiers , Pierre-Olivier Chapuis
, Symposium EL08: Emerging Material Platforms and Fundamental Approaches for Plasmonics, Nanophotonics and Metasurfaces, MRS Fall Symposium, Nov 2023, Boston, United States
Poster de conférence hal-04803813 v1

Near-field thermophotonic refrigerator: a numerical study

Thomas Châtelet , Julien Legendre , Pierre-Olivier Chapuis , Olivier Merchiers
Journées de la Matière Condensée (JMC) 2022, Aug 2022, Villeurbanne, France
Poster de conférence hal-03863689 v1

Photonic heat pumps instead of heat engines: the near-field thermophotonic refrigerator

Thomas Châtelet , Julien Legendre , Pierre-Olivier Chapuis , Olivier Merchiers
Workshop on Thermal Radiation to electrical Energy conversion (TREE), Nov 2022, Champ-sur-Marne, France
Poster de conférence hal-03863588 v1

Near-field thermophotonic refrigerator: a numerical study

Thomas Chatelet , Julien Legendre , Pierre-Olivier Chapuis , Olivier Merchiers
Journées plénières du GDR Nanomaterials for Energy, Oct 2022, Villeurbanne, France
Poster de conférence hal-03863637 v1

Near-field thermal radiation exchanged by a plasmonic metal particle and a surrounding bubble

Jérôme Sarr , Olivier Merchiers , Pierre-Olivier Chapuis
CECAM workshop on Hot Colloids, Jun 2018, Lyon, France
Poster de conférence hal-01932611 v1

Low permittivity layers for improved radiative-heat transfer control

Mathieu Vincent , Rodolphe Vaillon , Pierre-Olivier Chapuis , Olivier Merchiers
Eurotherm 111: Nanoscale and Microscale Heat Transfer VI, Dec 2018, Levi, Finland
Poster de conférence hal-02023074 v1

Near Field Thermal Radiation in Concentric Geometry at Low Temperature

Ahmed Alwakil , Olivier Merchiers , Mika Prunnila , Pierre-Olivier Chapuis
Eurotherm 111: Nanoscale and Microscale Heat Transfer VI, Dec 2018, Levi, Finland
Poster de conférence hal-02025410 v1

Near-field radiative heat transfer in scanning thermal microscopy involving dielectrics

K.L. Nguyen , Olivier Merchiers , Pierre-Olivier Chapuis
3rd International Workshop on Nano-Micro Thermal Radiation (NanoRad 2017), Jun 2017, Daejon, South Korea
Poster de conférence hal-01932619 v1

Near-field thermal radiation exchanged by a plasmonic metal particle and a surrounding bubble

Jérôme Sarr , Olivier Merchiers , Pierre-Olivier Chapuis
MRS Spring Meeting, Symposium NM2 on “Nanoscale Heat Transfer – From fundamentals to devices”, Apr 2017, Phoenix, United States
Poster de conférence hal-01932634 v1

Thermal emission of homogeneous spheres: regimes and optimization

K.L. Nguyen , Olivier Merchiers , Pierre-Olivier Chapuis
MRS Spring meeting, Symposium NM2 on “Nanoscale Heat Transfer – From fundamentals to devices”, Apr 2017, Phoenix, United States
Poster de conférence hal-01932643 v1

Using a simple extension of the Maxwell Garnett formula to describe the transition of effective optical properties from 2D to 3D nanostructrured systems

Olivier Merchiers , A. Aradian
NanoRad 2014, 2nd International Workshop on Nano-Micro Thermal Radiation: Energy, Manufacturing, Materials, and Sensing, Jun 2014, Shanghai, China
Poster de conférence hal-01281077 v1