Determination of Optical Constants of Phosphates, Sulphates and Ammonia and Related Compounds in the Near Infrared Region.

Abstract

A discussion of absorption phenomena in the infrared (2. 5 - 15 micrometers spectral region is presented. Mechanisms surveyed include the attenuation of electromagnetic waves by dielectrics and metals; molecular absorption processes; lattice vibrations in bulk and powdered dielectrics; band gap, free carrier and multiple phonon absorption in semiconductors; absorption in bulk and powdered metals; and absorption by polymeric one-dimensional conductors. Also presented is a review of quantitative methods of determining the optical constants of solids, liquids and gases and their possible sources of error. The results of quantitative absorption measurements on tri-n-butyl phosphate, polymethylmethacrylate, cellulose, polyvinyl alcohol and ureaformaldehyde are included. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1977
Accession Number
ADA048173

Entities

People

  • K. D. Moeller
  • V. P. Tomaselli

Organizations

  • Fairleigh Dickinson University

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Absorption Coefficients
  • Biodegradable Plastics
  • Bulk Materials
  • Cellular Structures
  • Chemistry
  • Crystal Lattice Vibrations
  • Crystal Structure
  • Dielectrics
  • Differential Equations
  • Electric Fields
  • Electromagnetic Fields
  • Energy Bands
  • Materials
  • Measurement
  • Refraction
  • Refractive Index
  • Wave Equations

Fields of Study

  • Physics

Readers

  • Materials Science and Engineering.
  • Polymer Science and Engineering.

Technology Areas

  • Microelectronics