Analyses of structural films using effective refractive index model

Te Hung Chang, Yu Wen Yeh, Sheng Hui Chen, Cheng Chung Lee

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


The triangle shape of two dimensional photonic crystals were fabricated based on autocloning technique, and preserved the periodic surface corrugation after the deposition of multilayer stacks using an E-beam gun evaporation with ion-assisted deposition (IAD). Drude model has been applied to analyze the effective refractive indices of the structural single-layer and multilayer autocloning films with triangle shape in the visible range which divided into several periodic parts. The advantage of using the model of effective refractive index is the optical properties of structural multilayer films can be analyzed easily. The effective refractive indices have been calculated based on this model, and simulated the reflectance and transmittance of the different incident angles. The influences of the structure period on the reflectance and transmittance were also analyzed.

Original languageEnglish
Title of host publicationThin-Film Coatings for Optical Applications IV
StatePublished - 2007
EventThin-Film Coatings for Optical Applications IV - San Diego, CA, United States
Duration: 29 Aug 200730 Aug 2007

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X


ConferenceThin-Film Coatings for Optical Applications IV
Country/TerritoryUnited States
CitySan Diego, CA


  • Effective refractive index
  • Periodic structure
  • Structural film


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