REFRACTIVE INDEX DISTRIBUTION LENS, METHOD FOR MANUFACTURINGREFRACTIVE INDEX DISTRIBUTION LENS, AND LENS ARRAY

摘要

A compact refractive index distribution lens that can be manufactured without decreasing the amount of incident light. The refractive index distribution lens includes a lens body radially distributing refractive indexes. The lens body has a cross sectional outline formed by removing at least part of a peripheral portion of an original lens body.