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Paper No P10: Design of Freeform Lenses for Illumination
Author(s) -
Petrov Nikolai I.
Publication year - 2013
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.38
Subject(s) - optics , lens (geology) , square (algebra) , surface (topology) , differential (mechanical device) , order (exchange) , physics , computer science , materials science , mathematics , geometry , thermodynamics , finance , economics
High‐efficiency reflective and refractive type of lenses for LED emitting into circle and square illumination areas are proposed. Lens surface profiles for extended sources are obtained from the solution of the first order differential equations.