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    m140 2W laser focusing trouble

    Hello, I am building my first laser, a 2W 445 nm diode. I have a cheap 3-lens assembly and am having trouble focusing the laser. I want to burn something! I am finding that the smallest dot happens closest to the lens. Any suggestions on focusing the laser further from the lens? Thanks
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    What can a 2W Blue laser cut/etch

    I just ordered a blue 2W laser. Any experience with what it will be able to do with the proper set up? Thanks
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    Ebay LD housing experience

    Hello, I recently ordered "Housing/Case/Heatsink 5.6mm TO18 Laser Diode LD 405nm 450nm Blue Glass Lens Fan" from ebay and wondered if anyone had any experience? How well will the optic work, etc. This is my first laser project, but have had a lot of experience with industrial LEDs and...




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