Beam Expander is critical for Beam Shaping – Precision Laser Scanning
Beam expanders
Amazon.com: Cloudray CO2 10600 nm laser beam expander 2x 2.5 x 3 x 4 x 5 x 6 x 8 x galvanometer laser marking lenses optics rays expand 10.6μm-2X : Industrial & Scientific
Beam expanders
Direct design of laser-beam shapers, zoom-beam expanders, and combinations thereof
Laser Beam Expanders - YouTube
Laser Beam Expanders | Edmund Optics
Can A Beam Expander be Used in Reverse? | Edmund Optics