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Applied Optics

Applied Optics


  • Vol. 45, Iss. 1 — Jan. 1, 2006
  • pp: 100–103

Study of the injection molding of a polarizing beam splitter

Edson Jose de Carvalho, Edmundo da Silva Braga, and Lucila H. Cescato  »View Author Affiliations

Applied Optics, Vol. 45, Issue 1, pp. 100-103 (2006)

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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.

© 2006 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(090.2890) Holography : Holographic optical elements

Edson Jose de Carvalho, Edmundo da Silva Braga, and Lucila H. Cescato, "Study of the injection molding of a polarizing beam splitter," Appl. Opt. 45, 100-103 (2006)

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