I-BWT, eyasekwa ngo-2003, izibophelele kwiphulo elithi "vumela iphupha liqhube ukukhanya", umbono wokuba "yinkokeli yehlabathi kwizisombululo ze-laser", kunye nexabiso "lokutsha okugqwesileyo", ukubonelela nge-diode laser, i-fiber laser, Iimveliso ze-laser ezikhawulezayo kunye nezisombululo kubathengi behlabathi.