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Beam Expanders

A beam expander is a system of optical components designed to increase the diameter of a radiation beam. Usually an afocal system.

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Glossary
  • beam expander A beam expander is an optical device that increases the diameter of a laser beam or other collimated light beam while maintaining its parallelism. This tool is commonly used in laser applications to reduce the beam's divergence, improve focus, or...
  • afocal An optical system with object and image points at infinity. Literally, "without a focal length."
Beam Expanders Suppliersbeam expanderincrease laser beam diameterexpand beam widthenlarge collimated beamafocal systemstelescopedecrease laser beam diameter

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