LED: efficiently and precisely measuring power and irradiance - Photonik

SH: LASER+PHOTONICS 2017

Metrology

LED: efficiently and precisely measuring power and irradiance

In many industries, LEDs are replacing traditional broadband light sources such as mercury, deuterium, Xenon and halogen lamps. For efficient LED quality testing, new measurement techniques are needed that can be integrated directly into the production process.

Bild: Ophir Spiricon
Figure 1: Cosine-corrected sensor (according to Lambert‘s cosine law) [1]

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