Friken' lasers

"El Relámpago(LZone) - Humanity First!" (lightningzone) 12/17/2013 at 12:50 • Filed to: None

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Pew pew

HammerheadFistpunch > El Relámpago(LZone) - Humanity First! 12/17/2013 at 12:51

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I saw this on the FP the other day. I still don't quite get how they work as a headlight.

E30Joe drives a Subaru > HammerheadFistpunch 12/17/2013 at 12:55

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They work the same way magnets work.

William Byrd > E30Joe drives a Subaru 12/17/2013 at 13:05

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Battery Tender Unnecessary > E30Joe drives a Subaru 12/17/2013 at 13:05

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Party-vi > HammerheadFistpunch 12/17/2013 at 13:07

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Blue lasers blast light onto mirrors that focus this laser light into a lens filled with yellow phosphorus. The light elevates the energy in the phosphorus to an excited state and the phosphorus emits a bright white light. This new bright white light shines backward onto a reflector which sends it out the front of the headlamp assembly.

In the picture, blue lasers (3) shoot onto mirrors which focus onto the phosphorus-filled lens, which shines onto the reflectors (small wind-shield shaped thing between the lasers and phosphorus lens).

HammerheadFistpunch > Party-vi 12/17/2013 at 13:12

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Sweet, thanks! the missing part for me was the part about the phosphorus.

7:07 > El Relámpago(LZone) - Humanity First! 12/17/2013 at 13:31

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Watch the first 30 seconds with the sound turned off.

I forgot I didn't have speakers plugged in and was really creeped out by the smug hipster dude staring at me.

liquid1036 > 7:07 12/17/2013 at 14:05

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Did the same thing.

mrazekan > El Relámpago(LZone) - Humanity First! 12/17/2013 at 14:21

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Institute of Electrical and Electronics Engineers.

Blue-laser light Blue-laser light from a tiny diode proceeds through a phosphor, which converts some of it into a wavelength in the yellow part of the spectrum. The resulting mix is a white beam that can be focused very tightly (forming an elliptical image, below), even though it’s not a laser.