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Comparing the effectiveness of radiometric and spectral emissivity evaluation methods in infrared thermometry.

March 8, 2026SensorsOpen Access

A Comparison of Radiometric and Spectrometric Emissivity Evaluation Methods in Infrared Thermometry

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Authors

VMVid MlačnikUniversity of Ljubljana IPI. PušnikUniversity of Ljubljana

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Implication

Compares radiometric and spectroscopy methods for emissivity in metallic samples, indicating radiometric methods are preferable for in situ infrared thermometry.

Key Points

Comparing the effectiveness of radiometric and spectral emissivity evaluation methods in infrared thermometry.
Comparison of emissivity evaluation methods on metallic samples up to 350 °C
Spectral method derived from spectroscopy measurements
Radiometric method evaluated directly from radiance measurements
Good agreement observed between spectral and radiometric methods for chromium nitride-coated samples
Practical limitations highlighted for raw metals and polysiloxane-coated samples
Spectral emissivity evaluation is valid when underlying method assumptions are fulfilled

Cite This Study

Mlačnik et al. (2026) studied this question.

synapsesocial.com/papers/69acc57d32b0ef16a404fa73 https://doi.org/10.3390/s26051671

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Implication

Compares radiometric and spectroscopy methods for emissivity in metallic samples, indicating radiometric methods are preferable for in situ infrared thermometry.

A Comparison of Radiometric and Spectrometric Emissivity Evaluation Methods in Infrared Thermometry

Discussion

Member takes

Implication

Key Points

Cite This Study

A Comparison of Radiometric and Spectrometric Emissivity Evaluation Methods in Infrared Thermometry

Discussion

Member takes

Implication

Key Points

Cite This Study

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