Isandisi se-beam ekuthuthukisweni kwesistimu ye-laser sisetshenziselwa ukulinganisa izakhi ezahlukahlukene. Ububanzi be-laser beam ekuphumeni kwesistimu ye-laser buhambisana nobubanzi obudingekayo ekufakweni kwelensi eqondiwe. Isandisi se-beam sisetshenziswa kakhulu nasezinqubweni zezinto ze-laser.
Ama-expander e-beam agxilile nawo aklanyelwe izinhlelo zokusebenza ezithile zokunwetshwa kwe-beam njengokuqoshwa kwe-laser. Aphinde abe nezingubo ezilwa nokukhanya kanye nokudluliselwa okuphezulu ukuze kwandiswe ukusebenza kahle kokwandiswa kwe-beam futhi kuncishiswe ukulahlekelwa. Inkinga iwukuthi isici sokukhulisa esigxilile futhi izinhlelo zokusebenza ezidinga ukulungiswa kosayizi we-beam okukhiphayo azikwazi ukusebenza.
Ubude be-Wavelength bugxile ekuhlinzekeni ngemikhiqizo yokukhanya enembile kakhulu iminyaka engama-20