Txoj kev sau npe los ntawm kev siv raj tshuab laser yog qhov lus tshaj tawm rau ib qho khoom siv laser kom sau npe ib qho khoom nrog qhov tsis tu ncua. Nws yog qhov chav ntxiv uas muaj ntau yam kev tshwm sim thiab kev txhim kho. Qhov khoom no muaj qhov chaw tsim laser, qhov kev coj noj coj ua, thiab qhov saub sau npe uas muaj cov galvo scanners. Qhov kev pib yog siv kompiawter coj mus, uas pab tau rau qhov nyiam meej heev thiab lub zog sau npe cov duab ntau yam, lus sib txawv, thiab cov npe uas tuaj yeem siv rau kev siv duab xam, zoo li QR code lossis Data Matrix code. Qhov tsis tu ncua ntawm qhov sau npe yog qhov leej twg xaiv nws; tsis tuaj yeem tshem tawm nws tsis pub muab qhov saum npoo ntawm qhov khoom mus, yog li nws yog ib qhov khoom zoo rau kev tiv thaiv kev tsim kho tsis tseeb, kev suj nqi, thiab kev tshaj npe. Cov raj tshuab sau npe los ntawm laser yog loj kawg heev thiab tuaj yeem pom hauv ntau daim ntawv, los ntawm cov raj tshuab me me rau cov neeg ua haujlwm me me thiab kev tshuaj xyuas txog cov system loj kawg uas tau sib cuag nrog hauv kev tsim khoom tshuab rooj sib cuag. Qhov kev xaiv ntawm qhov chaw tsim laser (fiber, CO2, pulsed, continuous-wave) yog xaiv los ntawm qhov khoom uas yuav sau npe thiab qhov kev pab uas xav tau—yuav yog kev sau npe siab, kev hloov color ntawm saum npoo, lossis ib qhov hloov me me. Qhov kev tshwm sim no tau pab hloov qhov kev sau npe ntawm cov khoom nyob rau hauv ntau cheeb tsam hauv plig, pab tau rau kev sau npe, kev tshuaj xyuas, thiab kev paub cov khoom ntawm txhua qhov chaw ntawm qhov chaw tsim khoom mus txog qhov chaw tshem tawm.