The dependency of optical properties on density for hot pressed MgF2

M. Nofar*, H. R. Madaah Hosseini, H. A. Shivaee

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

The effects of the most important parameters of hot pressing, including temperature, time and pressure on densification, microstructure and infrared transparency of MgF2 ceramics are discussed. The results show that the absorption or scattering of incident radiation is strongly dependent on the amount of porosity. By increasing the temperature or the pressure, transparency at infrared wavelengths has been increased due to the rise in density. For the longer hot pressing times, a continuous increase in density and infrared transparency has been seen as well. Cold pressing before hot press has minor effects on the density and infrared transparency of MgF2.

Original languageEnglish
Pages (from-to)546-549
Number of pages4
JournalInfrared Physics and Technology
Volume51
Issue number6
DOIs
Publication statusPublished - Oct 2008
Externally publishedYes

Keywords

  • Hot pressing
  • Infrared windows
  • Magnesium fluoride
  • Optical properties

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