Myth No. 1—LED light sources can seamlessly replace arc lamps in most curing processes.

Reality
The belief in this myth resulted in many application problems for manufacturers.

As a consequence, particularly in Europe and North America, sales of LED curing lights have slowed. Manufacturers want proof of compatibility. The good news is that LED curing lights can work well while offering savings and efficiencies, but changing from arc lamp to LED curing lights may not be a simple, direct conversion. Many details must be considered, the most important of which are differences in the wavelength distribution of LED and arc-lamp light sources.

Disparate Wavelength Distributions
The wavelength distribution emitted by an arc lamp and an LED are quite different. The wavelength distribution from a LED light source is narrow and bell shaped and can peak in…

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