Xiaogang Liu, Yantao Xu, Haitao Guo, Xingtao Yan, Depeng Kong, Xiaoming Shen, Yanjie Chang, Hao Zhang. Preparation and imaging properties of coherent chalcogenide glass fiber bundles with large planar array for far-infrared transmission (invited)[J]. Infrared and Laser Engineering, 2023, 52(5): 20230110
- Infrared and Laser Engineering
- Vol. 52, Issue 5, 20230110 (2023)
Fig. 1. Schematic diagram of multistage distillation of Se and Te raw materials
Fig. 2. Schematic diagram of bundles imaging test system
Fig. 3. DSC curves of As30Se50Te20 and As30Se51Te19 glasses
Fig. 4. Infrared absorption spectra of AST glass samples prepared by different processes (The inset shows the infrared transmission spectra of all samples)
Fig. 5. (a) Optical fiber preform; (b) The prepared AST glass fiber; (c) Bending test of the AST fiber; (d) Loss spectrum of AST glass fiber; (e) Energy distribution at the fiber end face
Fig. 6. (a) Micrograph of the coherent fiber bundle; (b) Infrared thermal imaging of the bundle for the planar array black body; (c) Infrared thermal imaging of the bundle for the infrared target
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Table 1. O content of raw materials (As, Se, Te) before and after purification
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