Ivoclar Vivadent AG expanded their product portfolio with an additional LED polymerization unit. The correct irradiance of a polymerization unit ensures fillings are cured accurately, which is crucial for the long-term clinical success of the restoration. To measure the irradiance precisely, irrespective of the type (halogen, plasma, LED) and performance of the device, an existing radiometer was to be enhanced. Zuhlke designed and developed the electronics and firmware for both devices and conducted comprehensive testing.
With the polymerization unit, the emphasis was on electronics that were simple and inexpensive but still guaranteed a good light output. A reduction in production costs was achieved by focusing on the relevant functions and reusing components from the existing product family (economies of scale). Zuhlke developed an innovative measuring system for the radiometer that was independent of the type of light used. It achieved previously unequalled high measuring accuracy for both low and very high light outputs. The device also proved its worth with very low power consumption, making tiresome battery changing virtually unnecessary.