A set of optical constants pertaining to a clear glass material in the ultraviolet to the infrared range obtained through spectrophotometer measurements

Research output: Contribution to journalArticle

Abstract

Background: The optical constants of a glass material are very useful for determining its radiative properties, as well as for selecting the appropriate thin-film coatings on a glass substrate. Objective: The objective of this study is to calculate the real part (n) and the imaginary part (k) of the complex refractive index of a clear glass material using a simple method based on the reflectivity and transmissivity measurements. Methods: In this study, the parts n and k are derived from the equations of the reflectivity at near zero incidence and transmissivity at normal incidence by using Shimadzu IR-70 Spectrophotometer and Cary 5E Spectrophotometer apparatuses. Results: Current and future developments of the patents on Optical Constant of a Clear Glass Material are finally provided to calculate the real and imaginary parts of a clear glass material in the ultraviolet through the near infrared range based on reflectivity and transmissivity measurements at near zero and normal incidence, respectively. Conclusions: The real and the imaginary parts of the complex refractive index of the glass sample obtained in the present study are in very good agreement with Rubin’s data. Although, a direct comparison between different samples is not possible, due to the difference in manufacturing process and material composition.

Original languageEnglish
Pages (from-to)330-336
Number of pages7
JournalRecent Patents on Mechanical Engineering
Volume9
Issue number4
DOIs
Publication statusPublished - Nov 1 2016

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Optical constants
Spectrophotometers
Infrared radiation
Glass
Refractive index
Infrared spectrophotometers
Thin films
Coatings
Substrates
Chemical analysis

Keywords

  • Complex refractive index
  • Glass material
  • Imaginary part
  • Optical constants
  • Real part
  • Spectrophotometer

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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title = "A set of optical constants pertaining to a clear glass material in the ultraviolet to the infrared range obtained through spectrophotometer measurements",
abstract = "Background: The optical constants of a glass material are very useful for determining its radiative properties, as well as for selecting the appropriate thin-film coatings on a glass substrate. Objective: The objective of this study is to calculate the real part (n) and the imaginary part (k) of the complex refractive index of a clear glass material using a simple method based on the reflectivity and transmissivity measurements. Methods: In this study, the parts n and k are derived from the equations of the reflectivity at near zero incidence and transmissivity at normal incidence by using Shimadzu IR-70 Spectrophotometer and Cary 5E Spectrophotometer apparatuses. Results: Current and future developments of the patents on Optical Constant of a Clear Glass Material are finally provided to calculate the real and imaginary parts of a clear glass material in the ultraviolet through the near infrared range based on reflectivity and transmissivity measurements at near zero and normal incidence, respectively. Conclusions: The real and the imaginary parts of the complex refractive index of the glass sample obtained in the present study are in very good agreement with Rubin’s data. Although, a direct comparison between different samples is not possible, due to the difference in manufacturing process and material composition.",
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AB - Background: The optical constants of a glass material are very useful for determining its radiative properties, as well as for selecting the appropriate thin-film coatings on a glass substrate. Objective: The objective of this study is to calculate the real part (n) and the imaginary part (k) of the complex refractive index of a clear glass material using a simple method based on the reflectivity and transmissivity measurements. Methods: In this study, the parts n and k are derived from the equations of the reflectivity at near zero incidence and transmissivity at normal incidence by using Shimadzu IR-70 Spectrophotometer and Cary 5E Spectrophotometer apparatuses. Results: Current and future developments of the patents on Optical Constant of a Clear Glass Material are finally provided to calculate the real and imaginary parts of a clear glass material in the ultraviolet through the near infrared range based on reflectivity and transmissivity measurements at near zero and normal incidence, respectively. Conclusions: The real and the imaginary parts of the complex refractive index of the glass sample obtained in the present study are in very good agreement with Rubin’s data. Although, a direct comparison between different samples is not possible, due to the difference in manufacturing process and material composition.

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