Fabricating relatively tall structures and short structures, wherein the short structures comprise light sensing capabilities, and wherein the tall structures and {TAIL ~ short structures} are arranged in an array to create an array comprising a plurality of {HEAD ~ vignetted light sensors}, and 
Fabricating relatively tall structures and short structures , wherein the short structures comprise light sensing capabilities , and wherein the tall structures and { TAIL ~ short structures } are arranged in an array to create an array comprising a plurality of { HEAD ~ vignetted light sensors } , and
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