emissivity.org Thermal radiative properties of materials

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The curated directory of non-commercial institutions where emissivity and thermal radiative properties are actively researched. Inclusion criteria, tier logic, and limitations are documented in the methodology; corrections and additions go through the editorial board. Directory revision: 2026-09-25.

46
institutions
14
countries
15
core-tier laboratories
9
thematic ecosystems
Measurement & metrology laboratories Engineered emissivity (thermal photonics, radiative cooling) Markers link to institution profiles.

Tier I — Core: emissivity-centred laboratories

Institution Country Tier Capability envelope
Physikalisch-Technische Bundesanstalt Working Group 7.35 — Emissivity DE core 1 µm to 1 mm (radiometry); 1.3 µm to 100 µm (emissivity) · −40 °C to ~2300 °C
CEMHTI-CNRS — Conditions Extrêmes et Matériaux : Haute Température et Irradiation Infrared emission / reflection / transmission spectroscopy activities FR core FTIR-based IR/visible spectroscopy, from ~1 mm to ~0.5 µm · reflectance and transmittance from room temperature; emittance from 500 K to 2700 K under CO₂-laser heating
PROMES-CNRS — Procédés, Matériaux et Énergie Solaire Thermal-radiation metrology / Solar-energy materials FR core up to ~1500 °C
Center for Applied Energy Research (CAE) Advanced Thermal Management (head: Jochen Manara) DE core broad applied-metrology facilities over a wide temperature range
Institute of Scientific Instruments, Czech Academy of Sciences Cryogenics group — radiative-properties activities CZ core ~20 K to 320 K
IMT Mines Albi / Institut Clément Ader (ICA), UMR CNRS 5312 ICA — directional spectral emissivity instrumentation FR core 1–11 µm · ~600–1000 °C
Thermomat — Thermophysical Properties of Materials Research Group, EHU Thermomat — Thermophysical Properties of Materials ES core Modular high-performance infrared emissometer; FAIR-compliant data structure and workflows. Member of the Functional Materials res…
University of West Bohemia / New Technologies — Research Centre (NTC) Photo-thermal properties laboratory (NTC) CZ core low- and high-temperature work
Institute VINČA High-temperature thermophysical-property measurement — direct pulse heating RS core wide high-temperature range (metals and alloys)
CNR-INO — Istituto Nazionale di Ottica Smart and Solar Energy Materials Lab IT core 0.2 to 50 µm · up to 1000 °C (spectral emittance vs. temperature)
NIST — National Institute of Standards and Technology Physical Measurement Laboratory / Sensor Science Division US core visible through far infrared · 250 K to 1400 K (blackbody references)
AIST / NMIJ — National Metrology Institute of Japan Network Database System for Thermophysical Property Data (TPDS) JP core Database infrastructure for curated thermophysical-property data; R&D on nearly ideal blackbody materials and high-emissivity refe…
DLR Institute of Planetary Research — Planetary Spectroscopy Laboratory Planetary Spectroscopy Laboratory (PSL) DE core 0.3 µm to >100 µm · −200 °C to +1000 °C (including heated planetary-analog samples; Venus/Mercury surface conditions)
NPL — National Physical Laboratory Thermal metrology — radiation thermometry and emissivity GB core 2 µm to 14 µm (CCT-S1 comparison scope) · 23 °C to 800 °C (CCT-S1 comparison scope)
Laboratoire national de métrologie et d'essais MATIS platform — Thermal characterisation of materials FR core 250 nm to 20 µm (directional spectral emissivity, at 12°, 24°, 36°, 48° and 60°) · Total hemispherical emissivity −20 °C to 200 °C (calorimetric); directional spectral emissivity facility up to 1500 °C (Hay et al., 2014)

Tier II — Extended: radiative properties among core activities

Institution Country Tier Capability envelope
NASA Jet Propulsion Laboratory (JPL) JEDI — Joint Emissivity Database Initiative US extended thermal infrared
USGS — Spectroscopy Laboratory / Astrogeology Science Center USGS Spectroscopy Laboratory — Spectral Library US extended Large spectral-reflectance library; laboratory work on Mars analog materials and shocked minerals; thermal emission and hemispheri…
Arizona State University — Thermal Emission Spectroscopy Laboratory (Christensen Research Group) Christensen Research Group / Thermal Emission Spectroscopy Laboratory US extended thermal IR spectral library, typically ~2000–220 cm⁻¹
Brown University — RELAB (Reflectance Experiment Laboratory) RELAB — Reflectance Experiment Laboratory (NASA-supported multi-user facility) US extended UV–VIS through far-IR; FTIR to ~100 µm
LTeN-CNRS / Nantes Université — Laboratoire de Thermique et Énergie de Nantes LTeN — high-temperature radiative properties of architectured ceramics FR extended up to 1500 °C
ONERA — DOTA, Optics and Associated Techniques MELOPEE laboratory — optical properties of materials FR extended infrared detector characterization 1–20 µm; optical properties from visible to IR
Fraunhofer Institute for Solar Energy Systems ISE Lab Characterization of Functional Surfaces DE extended 0.3–2.4 µm and 1.9–17 µm (FTIR + integrating spheres) · room temperature (spectrophotometric)
CIEMAT — Plataforma Solar de Almería OPAC — Optical Characterization and Aging laboratory ES extended 0.28–2.5 µm (solar absorptance); 2–14 µm (thermal emittance, FTIR + integrating sphere) · room temperature (spectrophotometric); aging under concentrated solar conditions
ESA ESTEC — Materials and Electrical Components Laboratory Materials & Electrical Components Laboratory (TEC Directorate) NL extended UV–VIS–NIR–IR
TÜBİTAK UME — National Metrology Institute of Türkiye Radiation Temperature Laboratory, Physics Group TR extended Radiation thermometry and calibration of blackbodies and infrared calibrators; participant in European Partnership on Metrology pr…
NASA Goddard Space Flight Center — Thermal Coatings Contamination and Coatings Engineering Branch (Code 546) US extended solar and thermal infrared bands
European Commission Joint Research Centre, Karlsruhe Fuels and Materials Research (FMR) laboratory DE extended 515–980 nm (256-channel spectro-pyrometer); fast pyrometer at 655 nm · Spectral emissivity above 1500 K; laser-heating experiments beyond 3000 K
Bundesanstalt für Materialforschung und -prüfung Division 8.3 Thermographic Methods DE extended 0.9–1.7 µm (SWIR hyperspectral line imaging) · Melt-pool temperatures of about 1300–2700 K observed in situ (Breese & Altenburg 2025)
Instituto de Ciencias de la Construcción Eduardo Torroja (IETcc-CSIC) Physico-Chemical Testing Unit ES extended Reflectance \(380\text{–}1700\ \mathrm{nm}\); thermal emittance from directional-hemispherical reflectance in six bands over \(1.5\text{–}21\ \text{µm}\)

Engineered emissivity: thermal photonics and radiative cooling

Institution Country Tier Capability envelope
Stanford University — Fan Group (Shanhui Fan) Fan Group — Ginzton Laboratory, Department of Electrical Engineering US engineered Thermal photonics and radiative cooling; design of engineered emissivity through nanophotonic structures; foundational work on the…
Columbia University — Nanfang Yu Group Department of Applied Physics and Applied Mathematics US engineered long-wavelength infrared
University of Utah — TIFT Lab (Thermal Innovations for FuTure) Thermal Innovations for FuTure (TIFT) Lab — Department of Mechanical Engineering US engineered Research on thermal radiative properties with emissivity of materials and photon transport inside materials as explicit thrusts.
Vanderbilt University — Caldwell Nanophotonic Materials and Devices Lab Caldwell Nanophotonic Materials and Devices Lab US engineered infrared
Lawrence Berkeley National Laboratory — Heat Island Group / Cool Surfaces Heat Island Group — Cool Surfaces research US engineered Research on cool roofs and cool walls defined through thermal emittance and solar reflectance; linkage to urban-heat-island mitiga…
UCLA — Raman Lab Raman Lab, Materials Science and Engineering US engineered solar and sky-window (8–13 µm) bands
Purdue University — Ruan Group Ruan Group, School of Mechanical Engineering US engineered solar spectrum + 8–13 µm sky window · field demonstrations under full sun
University of Chicago — Hsu Group Hsu Group, Pritzker School of Molecular Engineering US engineered solar + mid-infrared bands
KAIST — Jang Lab Jang Lab, School of Electrical Engineering KR engineered solar + mid-infrared bands
Nanjing University — Jia Zhu Group College of Engineering and Applied Sciences; National Laboratory of Solid State Microstructures CN engineered solar + sky-window bands
University of Technology Sydney — Gentle / Smith School of Mathematical and Physical Sciences AU engineered solar + 8–13 µm sky window · field demonstrations (roof scale)
University of North Texas — Nanoscale Energy Transport Lab Nanoscale Energy Transport (NET) Lab, Department of Mechanical Engineering US engineered 400 nm – 20 µm (lunar dust simulant study) · Room temperature

Emerging and conference-affiliated

Institution Country Tier Capability envelope
University of Virginia — Hopkins Group (ExSiTE Lab) Patrick Hopkins Group (ExSiTE Lab) — ultra-high-temperature materials / laser-heating radiometry US emerging room temperature to ~4000 °C (as stated by the group; i.e. up to the melting points of refractory carbides)
Ruhr University Bochum — LEAT (Department of Energy Plant Technology) LEAT — experimental combustion investigations DE emerging Application-driven setups for combustion-relevant materials; dedicated experimental setup for spectral normal emissivity of solid …
University of Wisconsin–Madison Kats Group, Department of Electrical and Computer Engineering US emerging infrared
Laboratory for Atmospheric and Space Physics (LASP) US emerging Conference-affiliated contributor; talk was on apparent emissivity of semitransparent samples at PTB.
Technische Hochschule Würzburg-Schweinfurt Sensorik laboratory (Prof. Jürgen Hartmann) DE emerging MWIR InSb camera with a narrowband filter at 2040 nm (Höfflin et al. 2024) · In-situ thermography calibrated for 500–1500 K (Höfflin et al. 2024)

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