The boys over at North Street Labs built a handheld burning laser and made it look super simple. Well it’s not. We don’t think it’s hard either, but the only reason it looks so easy is because they really know what they’re doing.
The first step was to source the best parts for the application. They’re using a handheld flashlight body which is small but still leaves plenty of room for the components. Next they ordered a quality lens made for the wavelength of the diode, as well as a prefab driver board.
Now the real build starts. They hit the metal lathe and machined a housing for the diode out of some aluminum stock. To marry the parts together they applied some thermal paste, and used a wrench socket to protect the diode from the pressure the vice jaws exert. It slid into place and the whole thing fits perfectly in the flashlight housing. The project wouldn’t be complete without video proof of it burning stuff. You’ll find that after the break.
Filed under: laser hacks
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