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- Title
Fabrication and characterization of GeSbS chalcogenide glass for photonic crystal fibers.
- Authors
Yi, Changshen; Zhang, Peiqing; Chen, Feifei; Dai, Shixun; Wang, Xunsi; Xu, Tiefeng; Nie, Qiuhua
- Abstract
Chalcogenide glasses are known for their high transparency in the mid-infrared (IR) range, which includes two atmospheric windows that lie from 3 to 5 μm and 8 to 12 μm, respectively. Chalcogenide photonic crystal fibers have numerous potential applications in the field of IR, such as spectroscopy, microscopy, astronomy, biology, and sensing. In this paper, GeSbS chalcogenide glass was fabricated and systematically studied. Chalcogenide glass has high transmission property (>70 %), good thermal stability, and good mechanical stability. The glass transition temperature T is 296 °C, and no exothermic peak was associated with crystallization up to 500 °C, which indicates its suitability for fiber drawing. As a result of its excellent mechanical properties, preforms with a variety of geometrical patterns were fabricated by using mechanical drilling. The near-field intensity distribution image of the drawn fiber shows a strong light propagation confinement.
- Subjects
NANOFABRICATION; CHALCOGENIDE glass; PHOTONIC crystal fibers; GERMANIUM compounds; MECHANICAL behavior of materials; GLASS transition temperature
- Publication
Applied Physics B: Lasers & Optics, 2014, Vol 116, Issue 3, p653
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-013-5748-z