What is it about?
The optical and semiconductor properties of PbTe coatings are governed by a variety of factors that contribute to its performance. This paper describes the temperature-dependent properties.
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Why is it important?
Lead telluride (PbTe) is an important coating material in the infrared, particularly as a high-index layer for high-performance filters in spacecraft applications.
Perspectives
Te-enriched PbTe coating has similar optical and semiconductor properties to bulk material, but behaves differently at temperatures below 75K. Above 75K provides high transparent performance.
Dr Gary J Hawkins
University of Reading
Read the Original
This page is a summary of: Optical And Semiconductor Properties Of Lead Telluride Coatings , January 1990, SPIE,
DOI: 10.1117/12.961354.
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