Lub laser txiav tshuab tiv thaiv lo ntsiab muag tuaj yeem tiv thaiv cov khoom siv kho qhov muag sab hauv thiab qhov tseem ceeb ntawm lub taub hau laser txiav. Qhov ua rau ntawm qhov kub hnyiab tiv thaiv lub lens ntawm lub tshuab laser txiav yog kev saib xyuas tsis raug thiab kev daws teeb meem yog xaiv lub tshuab ua kom haum rau cov cua sov dissipation ntawm koj cov khoom siv laser.