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Indirect Estimation of Absorbed Infrared LED Radiant Power Using Contactless Thermal Sensing

The accurate characterization of low-power near-infrared LEDs typically requires costly radiometric equipment, limiting broader accessibility. This study proposes a low-cost indirect method for comparative NIR LED characterization based on the thermal response of black-coated aluminum absorbing targ...

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Principais autores: Sorin Eugen Popa, Petru Gabriel Puiu, Dragoș Alexandru Andrioaia, Roxana Margareta Grigore, Ramona Lenuța Avădanei
Format: Artigo
Sprog:Inglês
Udgivet: MDPI AG 2026-06-01
Serier:Sensors
Fag:
NIR LED
radiant power
calorimetry
contactless infrared temperature measurement
low-cost instrumentation
Online adgang:https://www.mdpi.com/1424-8220/26/13/4055
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