Cov beam combiners no, ua los ntawm BK7 (H‑K9L) lossis fused silica, sib koom ua ke ob lub beams tuaj (UV, pom, lossis ze-IR) rau hauv ib qho zis. Los ntawm kev tso cai rau cov neeg siv kom muab lub teeb pom kev nrog cov hluav taws xob laser tsis pom, lawv ua rau cov txheej txheem sib phim yooj yim heev.
Wavelength tau tsom mus rau kev muab cov khoom siv kho qhov muag siab rau 20 xyoo