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Recent content by LaserCircle

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    Circular Laser in a wall

    I have a patent to solve this type problem and to project a size-adjustable laser circle onto a target wall or screen. You can use the idea outside of US and China. Basically, you need to shape the laser beam through a pair of plano-convex lenses and a rotating prism. Please refer to the...
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    Circular Laser in a wall