Journal
EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS
Volume 231, Issue 4, Pages 631-642Publisher
SPRINGER HEIDELBERG
DOI: 10.1140/epjs/s11734-021-00395-4
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Funding
- Australian Research Council [LE0883038, LE100100098]
- UNSW Materials and Manufacturing Futures Institute [PS64082-SHIR3]
- Australian Research Council [LE0883038, LE100100098] Funding Source: Australian Research Council
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This paper introduces the application of 3D printing in the development of special silica optical fibers (SOFs), including technical aspects and prospects, as well as the material processing flow of SOFs based on 3D digital light processing technology. The authors also demonstrate the efficiency and effectiveness of the continuous debinding-sintering process in producing desirable results, and discuss the remaining challenges and possible solutions in further development of 3D SOFs.
Three-dimensional (3D) printing or additive manufacturing (AM) is revolutionising manufacturing in many fields including photonic materials. As recent research shows, 3D printing could greatly facilitate the development of silica optical fibres (SOFs) of new material composition and structure designs that is very difficult with the existing manufacturing technologies. In this paper, the background, technical aspects, and prospects of 3D printing for special SOF developments are first introduced. Then, the material processing for 3D digital light processing (DLP) technology-based SOFs, including feedstock preparation, 3D printing, debinding and sintering processes, is presented. Finally, we report our recent work on material processing, 3D printing and, in particular, debinding-sintering processing and demonstrate that a continuous debinding-sintering process including a final stage of 2-h holding at 1240 degrees C is both efficient and effective in producing desirable results. This is followed by a discussion of some key remaining issues and challenges, as well as possible solutions in further 3D SOF development.
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