How to make abeam expander

The Svbony Type C Mount Tube Adapter is available in three sizes and can be mounted on any standard 1.25 ", 2", M42 * 0.75 eyepiece.

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Beam ExpanderThorlabs

Beam expanders suitable for high power laser applications: IBS-coated lenses, high transmission, low-GDD optics. Designed for 1030+1064 nm, 515+532 nm or 343+355 nm laser wavelengths. Fixed magnifications from 1.5X to 10X available. Sliding lens design.

Beam expander

Keplerianbeam expander

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EKSMA Optics offers Galilean type beam expanders with thin UV FS lenses suitable for femtosecond applications. Fixed Ratio Beam Expanders are designed to increase the diameter of a collimated input high power laser beam to a larger collimated output beam. Fixed Ratio Beam Expanders can be adjusted for the input beam divergence angle to obtain collimated, divergent or focused beam at the output. They feature non-rotating divergence adjustment by sliding lens design.

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