Fresnel rhombs jẹ awọn oludasilẹ achromatic ti o dara julọ pẹlu Ifamọ iwọn otutu kekere ati Ibiti gigun gigun gigun ju Waveplate, o yipada idaduro pẹlu igbi gigun dide nikan lati iyipada ninu itọka itọka. ju ṣee ṣe pẹlu birefringent waveplates,fresnel rhombs ni o wa bojumu retardation farahan rirọpo fun àsopọmọBurọọdubandi, olona-ila tabi tunable lesa orisun.
DIEN TECH pese idaji igbi retarders eyi ti o ti ṣe nipa apapọ meji mẹẹdogun igbi rhombs.