Holmarc beam expanders are easy to use and provide accurate, unobstructed and achromatic expansion of any collimated input source.
The most common type of beam expander is derived from the Galilean telescope which usually has one negative input lens and one positive output lens. The main advantage of Galilean design is the overall length of the Galilean as compared to a similar power Keplerian design is smaller.
Following Beam expanders are of the Galilean type and comes with M6 mounting hole. These are easy to mount and align using our standard posts and mounts.