Li-laser li ntse li tsoela pele ka tsela ea matla a phahameng. Har'a li-lasers tsa fiber tse matla a phahameng, li-lasers tsa infrared ke tsona tse ka sehloohong, empa li-lasers tse putsoa li na le melemo e hlakileng 'me litebello tsa tsona li na le tšepo e kholo. Tlhokahalo e kholo ea 'maraka le melemo e totobetseng li tsamaisitse nts'etsopele ea li-lasers tse khanyang tse putsoa le li-laser chiller tsa tsona.