Hana ʻia ʻo Glan Taylor polarizer i ʻelua mau prisms birefringent like ʻole i hui pū ʻia me kahi ea. palapala noi kahi i hōʻole ʻia nā kaola ʻaʻole koi ʻia . ʻO ke kahua angular o nā mea like ʻole o nā polarizer i helu ʻia ma lalo no ka hoʻohālikelike.