Long-wave Filter (III) Annealing of PbTe Single and Multilayer Films

Citation

盛勇 (Sheng Yong) (译) [translated by], 京涌 (Jing Yong) (校) [proofread by]. 长波滤光片(三)PbTe单层和多层膜的退火 [Long-wave Filter (III) Annealing of PbTe Single and Multilayer Films]. [Source of Publication Unknown], [Year of Publication Unknown], [Page Numbers as indicated in the excerpts].

Keywords

  • 长波滤光片 / Long-wave filter
  • PbTe
  • 单层膜 / Single-layer film
  • 多层膜 / Multilayer film
  • 退火 / Annealing
  • 透过率 / Transmittance
  • 吸收 / Absorption
  • 法布里-珀罗滤光片 / Fabry-Pérot filter
  • 色散 / Dispersion

Brief

This article discusses the effects of annealing on PbTe single and multilayer films used in long-wave filters, examining changes in transmittance and carrier concentration as a means of improving filter performance.

Summary

This article investigates how annealing (heat treatment) affects PbTe single and multilayer films used in long-wave filters, finding that it generally reduces free carrier absorption and can cause spectral shifts in the filters by altering the carrier concentration. The study explores different annealing conditions (temperature, time, atmosphere) and measurement techniques (transmittance, resistance, Hall effect) to understand how to improve the performance of these filters.

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