OpticalSolutionLens Reflector LinxuanLu18767193707lulinxuan WhyOptics Theideaofopticsistodirectthelightwhereitisneeded OpticallensandreflectoroffersolutionsthatarenotpossiblewithLEDsonly Traditionalmethod Theexperienceisveryimportant Costmoretimeforeachcase Veryhardforsomeneworespecialrequirements Themodificationdoesnothavegoodmetewand Newmethod BuildagoodMathematicalmodelisveryimportant EachmodelcandealwithalotofSimilarproblems Itisalsocandealwithsomeneworespecialrequirements Themodificationhasgoodmetewand Reverselighttrace Imagingoptics Nonimagingoptics 1 Uniformsymmetrytype Lampheight 10m 2 Appliedsymmetrytype Lampheight 10m 3 Asymmetrytype Lampheight 10m Asymmetrytype Lampheight 10m 4 Doubleasymmetrytype Lampheight 10m 5 Round 6 Reflector 7 Candle 。