emissivity.org Thermal radiative properties of materials
Methods

Resources & Tools

Databases, textbooks, training courses, software, and reference links for emissivity measurement and thermal radiation research.

Databases

EKHI Database

The first open-access database for optical and radiative property data. Publication-centred organisation with curve-level spectral datasets, full provenance, and DOI-based citations.

Browse EKHI →

NIST Chemistry WebBook

Reference data from the National Institute of Standards and Technology, including thermochemical and spectral data for many materials.

webbook.nist.gov →

Key textbooks

Thermal Radiation Heat Transfer
The standard reference for radiative heat transfer, including extensive coverage of emissivity theory and measurement.
Radiative Heat Transfer
Comprehensive treatment of radiative transfer in participating media and at surfaces.
Measurement of the Thermophysical Properties of Solids
Reference for measurement techniques of all thermophysical properties.
Heat Transfer: A Basic Approach
Introductory treatment with good coverage of radiation fundamentals.

Training & education

Workshop series

IR-EMPOWER

The network’s own training workshop bringing together early-career researchers and experienced practitioners for hands-on emissivity measurement sessions and intercomparisons.

2024: Bilbao · 2026: Würzburg (28–29 Sep)
ir-empower.eu →

Recurring courses

NIST Radiation Thermometry Short Course
NIST Events →
Kelvin Training: Surface Temperature & Radiation Thermometry
kelvin.training →
MSL NZ: IR Radiation Thermometry Workshop
measurement.govt.nz →

Software & tools

Focus

Software for spectral emissivity data analysis, developed at CEMHTI-CNRS.

CEMHTI Tools →

RCWA Tools

Rigorous Coupled-Wave Analysis implementations for modelling emissivity of periodic surface structures (relevant for DLIP-modified surfaces).

Kirchhoff’s Law Calculators

Tools for converting between absorptance and emittance using Kirchhoff’s law for opaque surfaces.

Useful links

BIPM — Bureau International des Poids et Mesures
CCT — Consultative Committee for Thermometry
IMEKO TC12
QIRT Conference Series
ASTM Committee E20 — Temperature Measurement

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