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Opt Express. 2012 Mar 12;20(6):6135-45. doi: 10.1364/OE.20.006135.

Surface-structured diffuser by iterative down-size molding with glass sintering technology.

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  • 1Department of Optics and Photonics, National Central University, Chung-Li 320, Taiwan.


In this paper, a down-size sintering scheme for making high-performance diffusers with micro structure to perform beam shaping is presented and demonstrated. By using down-size sintering method, a surface-structure film is designed and fabricated to verify the feasibility of the sintering technology, in which up to 1/8 dimension reduction has been achieved. Besides, a special impressing technology has been applied to fabricate diffuser film with various materials and the transmission efficiency is as high as 85% and above. By introducing the diffuser into possible lighting applications, the diffusers have been shown high performance in glare reduction, beam shaping and energy saving.

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