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    How do I know I much power my diode can take?

    Hello, I'm trying to build a DIY laser out of a x22 DVD burner. I got out this diode from SANYO: Sanyo SF-DS18T Laser Diode with heatsink from SFDS18T Optical Pickup Laser Lens How can I tell how much power can this diode take? I'm a student and using a lab power supply, therefore I can...
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    How do I focus a laser beam?

    Hello, I'm an Electrical Engineering student and my final project is laser related. We're building some kind of a CNC machine that should cut Styrofoam or black foam using a laser beam. I've disassembled a DVD-RW x22 and got this laser diode out: I've found the diode pins and connected it...
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    Mark a laser track on a paper

    Hello, I'm a student for electrical engineering, doing a final project with laser. The purpose of the project is to cut Styrofoam sheet with laser. I'll probably won't be able to cut anything with my low-cost laser, so my alternative is to mark the laser track on a piece of paper. Is there any...


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