The present invention provides an optical system that includes an array of opto-electronic
devices, an array of micro lenses, and a fore optic. The array of opto-electronic
devices lie substantially along a plane, but the fore optic has a non-planar focal
field. To compensate for the non-planar focal field of the fore optic, each opto-electronic
device has a corresponding micro lens. Each micro lens has a focal length and/or
separation distance between it and it respective opto-electronic device, which
compensates for the non-planar focal field of the fore optic. The focal lengths
of these lenses may differ relative to one another. As a result, light that is
provided by the fore optic is reconfigured by the micro lenses having various focal
lengths to be substantially focused along the plane of the array of opto-electronic
devices. Various arrangements of microlenses, placing lenses on standoffs or posts,
forming of optical waveguides, lens fabrication, wafer integration of micro-optics,
and optical coupling are noted.
