An image magnifying/reducing optical device includes a base member having first and second surfaces which are approximately parallel to one another; and a plurality of high-refractive-index regions formed in the base member. The plurality of high-refractive-index regions continuously extending from the...http://www.google.fr/patents/US6480345?utm_source=gb-gplus-shareBrevet US6480345 - Image magnifying/reducing optical device and manufacturing method thereof
Image magnifying/reducing optical device and manufacturing method thereof
