Iyo inonyanya kushandiswa inonzi beam expander inobva kuGalilean telescope iyo inowanzova negative input lens imwe uye positive output lens imwe. Iyo input lens inoratidza virtual beam focus pakubuda kwayo. Kune low expansion ratios, Galilean telescope inonyanya kushandiswa nekuda kwekureruka kwayo, diki package size uye mutengo wayo wakaderera. Beam expander dzinowanzo shandiswa kukudza laser diameter iyo inofanira kutariswa kumashure mus spot size diki.
Wavelength yave ichinyanya kutarisisa pakupa zvigadzirwa zvemaziso zvakanyatsonaka kwemakore makumi maviri