Depolarizer-yadan achromatic waxay ka kooban yihiin laba qaybood oo quartz crystal ah, oo mid ka mid ah uu ka dhumuc weyn yahay kan kale, oo ay kala soocaan giraan bir ah oo dhuuban.Shirka waxa lagu wada hayaa epoxy kaas oo lagu dabaqay oo keliya cidhifka dibadda (ie, daloolka cad ayaa ka xor ah epoxy), kaas oo keena indho-indheyn leh heer dhaawac sare leh.