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BMW lights up the future

By SYF77 on 12 Sep 2011

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Having already announced the introduction of full LED headlights in its new 6-Series range, BMW is moving onto the next wave of advanced lighting technology with laser. BMW engineers are currently working on the introduction of laser light in car headlights, with the aim to improve safety as well as efficiency. Laser lighting is radically different from sunlight and other types of artificial lighting in common use today.

Being monochromatic in nature and coherent, laser lighting can produce a near-parallel beam with intensity a thousand times greater than that of conventional LEDs. In addition, the high efficiency of laser lighting means that laser headlights have less than half the energy consumption of LED headlights, helping to save fuel ultimately. Whereas LED lighting generates only around 100 lumens (a photometric unit of light output) per watt, laser lighting generates approximately 170 lumens, about 70% more. From an application point of view, laser lighting diodes are very small as compared to the square-shaped cells in LED lighting, thus opening up more room for creativity when designing cars.

If you are afraid that the laser lighting will burn up the pedestrianís skin, fear not. This is because the light is not being emitted directly, but initially converted into a form that is suitable for use in road traffic. The technology is expected to debut in production form on the upcoming 2014 BMW i8. Laser lighting is not entirely new since it has already been put in use in consumer products such as CD and DVD players.

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Written by SYF77
I have been a car fanatic since 1989, when my father was changing our family car then to a Toyota Corolla 1.6 GL fitted with a Twin Cam 16 valve engine that was carburetor-fed, a big deal back in those days. The automobile technology and industry fascinates me and I hope to broadcast these interesting developments to everyone out there through this blog.

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