For Co2 Laser Beam Expander, There are 2 types of beam expander: fixed and adjustable beam expanders. For the fixed beam expanders, the spacing between the two lenses inside the beam expander is
fixed, but the spacing between the two lenses inside the adjustable beam expanders is adjustable. The lens material is ZeSe, which allows the red light to go through the beam expander.
Post by John LV Mechanical Parts & Fabrication Services @2012-06-26 15:22:53