Stress distribution characteristics of the optical fiber with multiple stress elements

• Published in: Optical fiber technology 2019-12, Vol.53, p.102033, Article 102033
• Main Authors: Ji, Minning, Zhan, Tingting, Shang, Fengtao
• Format: Article
• Language: English
• ISSN: 1068-5200; 1095-9912
• DOI: 10.1016/j.yofte.2019.102033

•The stress field with one circular stress element is calculated theoretically.•The stress field for any optical fiber with multiple stress elements is derived.•The stress field has been expressed as a formula with sine or cosine function.•This expression is critical to further reveal the coupling characteristics. The stress field in an optical fiber with one circular stress element is calculated theoretically. The stress field distribution for any optical fiber with multiple stress elements is derived based on the superposition theorem and the integration method. As is shown in this paper, the stress field in the core or in the region near core can be expressed by a formula with sine or cosine function. This result is important to reveal the coupling characteristics of the stress induced optical fiber with multiple stress elements when it is spun by an appropriate spinning rate.