Multiscale optics for enhanced light collection from a point source.
High-efficiency collection of photons emitted by a point source over a wide field of view (FoV) is crucial for many applications. Multiscale optics offer improved light collection by utilizing small optical components placed close to the optical source, while maintaining a wide FoV provided by conventional imaging optics. In this work, we demonstrate collection efficiency of 26% of photons emitted by a pointlike source using a micromirror fabricated in silicon with no significant decrease in collection efficiency over a 10 mm object space.
Noek, R; Knoernschild, C; Migacz, J; Kim, T; Maunz, P; Merrill, T; Hayden, H; Pai, CS; Kim, J
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