Multispectral Chalcogenide Glasses Transmitting from Visible to Lwir
SSRN Electronic Journal
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
Chalcogenide glass (ChG) has become one of the essential infrared (IR) lens materials in passively athermalized LWIR devices. However, no multispectral (MS) ChG capable of large-size fabrication raises challenges to the development and popularization of MS imaging system combining visible, near-, and mid-IR. In this work, we introduce a new method of three-stage DSC to evaluate the glass-forming ability (GFA) of ChG through precisely simulating the melt-quenching process of chalcogenide melt in vacuum-sealed silica ampoule. A novel ChG capable of a record-big (Φ 130 mm) fabrication is developed through the modification of GeS2-Ga2S3-CsCl glass with Sb2S3 introduction. Its transmission window is characterized ranging from 0.51 to 11.2 µm, which could be tuned toward longer wavelength via the partial substitution of S by heavier Se. This work not only shows an innovated MS ChGs of promising applications, but also introduces a simple and convenient technique for screening ChGs with ultrahigh GFA.
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