Experimental and theoretical studies of second-phase scattering in IR transmitting ZnS-based windows

William W. Chen; Bruce S. Dunn; Jimin Zhang

doi:10.1117/12.48316

1 November 1991 Experimental and theoretical studies of second-phase scattering in IR transmitting ZnS-based windows

William W. Chen, Bruce S. Dunn, Jimin Zhang

Proceedings Volume 1535, Passive Materials for Optical Elements; (1991) https://doi.org/10.1117/12.48316
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

A model based upon Mie theory was developed to calculate the level of scattering caused by the incorporation of a second-phase. Various transmission curves were calculated in order to study the microstructural scattering effects of pores and ZnGa₂S₄ particles. The model was able to reproduce the spectral transmission curve (2.5-10 micrometers ) of a hot-pressed ZnS sample containing a porous scatterer only when a size distribution effect was included in the model. A bimodal distribution of pores was found to be responsible for the detected scattering.

Citation Download Citation

William W. Chen, Bruce S. Dunn, and Jimin Zhang "Experimental and theoretical studies of second-phase scattering in IR transmitting ZnS-based windows", Proc. SPIE 1535, Passive Materials for Optical Elements, (1 November 1991); https://doi.org/10.1117/12.48316

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