Bmw developing laser lights for its cars

Article by Christian Andrei, on September 2, 2011

BMW’s headlights will be evolving even further in the coming years as it’s already considering the use of lasers. Currently, the technology is centered on the use of LEDs but BMW wants to further improve safety and efficiency. BMW believes that laser lighting will boost its assets as well as lead to the introduction of revolutionary functions. BMW thinks that consumers are ready to accept intelligent headlights.

Laser headlight technology is different from the natural light and the artificial light that have been presented so far. The primary difference is on laser headlight being monochromatic, which means that all the light waves are the same length and has a constant phase difference.

This is why laser headlights provide a nearly parallel beam with an intensity that’s 1,000 times higher than that of LED technology. These new headlights may reduce energy consumption by up to 50%. Furthermore, the designers may also gain from this as the laser lighting diodes are 100 times smaller than the cells of the LED headlights. The BMW i8 Concept had previously featured the laser headlight technology. It’s expected that this development will be featured on the 2014 i8 production model.

A new evolution in car lighting system is on its way for BMW. The laser lighting technology is being showcased to car enthusiasts with the new BMW i8 Concept car.

The production team is hoping see a more energy efficient BMW in the next coming years. The latest lighting innovation is said to provide a new standard for comfort and safety while also promoting lesser fuel and energy consumption.

Generally speaking, laser light is not similar to the natural light coming from the sun or any other artificial lights that we see in our surroundings. A laser possesses the same wavelength and colour and is considered the most consistent source of light. Due to this, the laser beams are still much brighter than the LED’s.

If we are to integrate this technology onto the headlights, the laser lighting can prove to be more functional than LED with minimal energy requirement. Therefore, lesser amounts of fuel are consumed in the process.

No matter how bright or intense it may appear, BMW’s laser technology is definitely made for driving. In other words, the laser light won’t be harmful to other drivers and also to the pedestrians and animals crossing the road.

This time though, BMW is bent on pushing laser technology to a car lighting system since more and more consumer products are employing the same principle. Besides, it has many remarkable features that would be beneficial to car consumers so why not make it all come true?

Another advantage of laser technology can be seen in the size of its individual diodes. The laser diodes are much smaller than the cells used in traditional LED lights. The side length of LED is 1mm while the laser measures only 10 microns. On the same note, the laser can generate at least 170 lumens while the LED can only produce a hundred.

This new sustainable concept is definitely something to look forward to. And of course, BMW is proud to be the first to introduce this eco-friendly lighting system through the BMW i8 Concept.

However, the engineers at BMW don’t think it’s necessary to create a smaller headlight just because of the size advantage. Although, it can significantly improve the overall design of all BMW models in the near future. But more importantly, what compelled them to promote laser instead of LED are the energy efficiency and fuel economy it has to offer.

Topics: bmw, technology

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