Audi relies on matrix light laser technology – CAR PRODUCTION

28.04.2015, 14:06 clock

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Audi operates within the framework of the project “ILAS” closely with partners Bosch, Osram and the Light Technology Institute (LTI) at the Karlsruhe Institute of Technology (KIT) together. Target are more compact and more powerful headlights.

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Audi sets for optimum illumination of the road to the matrix laser technology. The new technique uses only a very fast moving micro-mirror deflects the laser beam. Image: Audi

The accepted three years, funded by the Federal Ministry for Education and Research Project “intelligent laser light for compact and high-resolution adaptive headlights”, abbreviated ILAS, with partners from industry and academia has the Headlights of the future in mind. This includes the matrix laser technology based on the laser spot on the high beam is first placed on the Audi 2014 Audi R8 LMX in series. High-intensity lasers enable it to be the first to integrate the projector technology into a compact but powerful headlights.

Finer dynamic resolution

The new technique uses only a very fast moving micro-mirror deflects the laser beam. At low vehicle speed, the technique contributes to a wide illumination of the road, at a greater speed, the opening angle is smaller and the intensity as well as the range of the light is significantly increased. Also new is the lightning-fast switching on and off of the laser diode as a function of the mirror position. Unlike today’s matrix LED headlights, the matrix laser technology to ensure an even finer resolution and dynamic with an even higher efficiency.

Fast moving micromirror

With the new technology radiate blue laser diodes from Osram with a wavelength of 450 nanometers her light on a three millimeter large, rapidly moving mirror. This deflects the blue laser light from a converter which converts it into white light and projected onto the road. The mirror used for Bosch is a micro-opto-electro-mechanical system and is based on silicon technology. He is particularly robust According to Audi, and is characterized by a long life. Also, acceleration sensors or control devices for the electronic stability control use such devices.

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