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Type: Artigo de periódico
Title: Study of the injection molding of a polarizing beam splitter
Author: de Carvalho, EJ
Braga, ED
Cescato, LH
Abstract: We describe the replication of a relief grating that behaves like a polarizing beam splitter by injection molding. Measurements of the grating master, nickel shim, and replica, performed by atomic force microscopy, allow establishing a limit for the injection molding technique (currently used in CD fabrication) to aspect ratios of approximately 0.15. Although this limit strongly reduces the diffraction efficiency of the elements as well as their polarizing properties, extinction ratios of approximately 10:1 were measured for the replicas in a large range of wavelengths. (c) 2006 Optical Society of America.
Country: EUA
Editor: Optical Soc Amer
Rights: aberto
Identifier DOI: 10.1364/AO.45.000100
Date Issue: 2006
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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