A ƙarshen 1660s da farkon 1670s, Isaac Newton ya faɗaɗa ra'ayoyin Descartes a cikin ka'idar haske na corpuscle, sanannun ƙayyadaddun cewa farin haske shine cakuda launuka wanda za'a iya raba shi zuwa sassansa tare da prism. A shekara ta 1690, Christiaan Huygens ya ba da shawarar ka'idar raƙuman ruwa don haske bisa ga shawarwarin da Robert Hooke ya yi a shekara ta 1664.
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