The optical properties of gold layer deposited on antireflection subwavelength-structured surface are first exposed The experimental results of the reflectances and transmittances for several different thicknesses of gold-deposited layers on the subwavelength structures are carried out The nanostructured surface with spatial period and a diameter of about 230 nm and height of about 150 nm on polyethylene terphthalate (PET) film is fabricated by micro-replication process of UV imprinting Comparing these with the bare gold-deposited layer and bare nanostructure the results show that the optical films with the suitable gold layer deposited on antireflection subwavelength-structured surface has high transmittance and low glare in the visible spectral range and high reflectance in the infrared range That is to say when the antireflection subwavelength-structured surface is coated with a gold layer of several tens of nm thickness it will have some unique optical characters (C) 2009 Elsevier GmbH All rights reserved
