Crooke radioomomomet na'ura ce wacce ta ƙunshi kwan fitila wanda ya ƙunshi ɓoyayyen rami, tare da saitin vanes waɗanda ke da baki a gefe ɗaya da fari a kan ɗayan, an ɗora a kan wani haske a cikin kwan fitila. Lokacin da aka fallasa haske ko radiation, vanes juya saboda wani sabon abu da aka sani da "matsi". Sir William Crookees ne a cikin 1873 kuma ana amfani dashi don nuna tasirin matsin lamba.