Pereti Kotahi True Zero-Order Waveplate he whanui whanui whanui, whanui pāmahana whanui, whanui koki whanui, teitei te paepae kino me te roangaru paerewa: 1064,1310nm, 1550nm me te matotoru ki raro ki te 0.028mm.
Ko nga Pereti Ngaru Kore-Order Pono kua Sima he whanui whanui whanui, whanui pāmahana whanui, whanui koki whanui, kua sima e te epoxy.