OPTICAL DESIGN K.F. Chan (Mr.) MEBS 6002.

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Presentation transcript:

OPTICAL DESIGN K.F. Chan (Mr.) MEBS 6002

REFLECTORS Specular Diffuse Mixed (spread reflection) K.F. Chan (Mr.) MEBS 6002

SPECULAR REFLECTION K.F. Chan (Mr.) MEBS 6002

DIFFUSION REFLECTION K.F. Chan (Mr.) MEBS 6002 UNIVERSITY OF HONG KONG Faculty of Engineering M.Sc.(Eng) in Building Services MEBS 6002 Lighting Engineering DIFFUSION REFLECTION Magnesium carbonate, blotting paper etc. K.F. Chan (Mr.) MEBS 6002 All rights reserved

SPREAD REFLECTION K.F. Chan (Mr.) MEBS 6002

SNELL’S LAW OF SPECULAR REFLECTANCE The incident ray, the normal to the surface, and the reflected ray are in the same plane The angle of incidence is the same as the angle of reflectance K.F. Chan (Mr.) MEBS 6002

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