A large aperture microlens array assembly has at least two arrays of microlenses with individual unit cell trains optically interconnecting individual microlenses in one array with related individual microlenses in another array. In each unit cell train the light entering an entrance pupil of a microlens...http://www.google.de/patents/US5420720?utm_source=gb-gplus-sharePatent US5420720 - Internally cooled large aperture microlens array with monolithically integrated microscanner
