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Laser-Optics-CO2-Laser-Optics-ZnSE-Focusing Lens

ZnSe Focusing Lens

ZnSe Plano-Convex Lenses (LZ) has a positive focal length and are used to focus a collimated beam to small spot size. ZnSe Plano-Concave (LZ) lenses have a negative focal length and are used for diverging collimated beams. The curved surfaces of these lenses should face the source to minimize spherical aberration. Positive Meniscus Convex-Concave (LZM) Lenses are converging lenses being thick at the center and thin at the edges and produce real images. The radius of the curvature of the concave side is greater than the convex side of the lens. The convex side of the lens should face the source to minimize spherical aberration. It is designed to minimize spherical aberration and produce minimum focal spot size for incoming collimated light.

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