{TAIL ~ A method} for patterning self assembled colloidal photonic crystals and a method for fabricating three dimensional photonic crystal waveguides having an inverted opal structure using {HEAD ~ the patterning method} 
{ TAIL ~ A method } for patterning self assembled colloidal photonic crystals and a method for fabricating three dimensional photonic crystal waveguides having an inverted opal structure using { HEAD ~ the patterning method }
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