Variable Beam Expander Thorlabs

Beam expanders thorlabs galilean type beam expanders which are available in both fixed and variable magnification options are offered for use in the uv visible near infrared and mid infrared spectral ranges. The fixed magnification sliding lens beam expanders are offered with optics that have either narrowband or wideband ar coatings. The beam expander contains a fixed lens at the front followed by two movable lenses.

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