Abstract

A planar microlens with N.A. = 0.54 has been obtained (Δn = 0.27) by stacking two lenses. The maximally obtainable N.A. is then expected to be ~0.7 but it is limited by aberration, which is discussed theoretically using a Luneburg lens model.

© 1984 Optical Society of America

Distributed-index planar microlens and stacked planar optics: a review of progress

K. Iga and S. Misawa
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