Revisión positiva superior para Módulo láser en Banggood Spain|Compras España

19% OFF Módulo láser rojo de punto láser generador de diodo de reemplazo mini DIY de 200-250mW y 650nm de enfoque US$12.99 US$15.99 View It

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Necromincon 21/12/2015

Altough it says 200mw laser, i connected it so a variable power supply and @ 5v it actually draws 400mw, the laser heats up a little bit, but nothing that much. it can cut paper, i havent tried other materials, and can engrave wood @ low speeds. (150mm/min) it a nice laser overall

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200mW refers to the power output, not the power in. The diode isn't 100% efficient, so you should expect the power in to be greater than the power out, although I suspect you may be overdriving it a bit with 400mW and thus shortening its life. (650nm diodes don't like being overdriven.) You really need a laser power meter to measure the output.
Reponder 08/02/2016

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