Hybrid-type fibre Bragg gratings and their applications

Shu, Xuewen, Sugden, Kate, Zhao, Donghui, Floreani, Filip, Zhang, Lin and Bennion, Ian (2002). Hybrid-type fibre Bragg gratings and their applications. IN: Advanced Sensor Systems and Applications. Rao, Yun-Jiang; Jones, Julian D. C.; Naruse, Hiroshi and Chen, Robert I. (eds) SPIE proceedings . CHN: SPIE.

Abstract

Fiber Bragg gratings (FBGs) have attracted a lot of attention in recent years due to their wide applications in optical telecommunications and smart sensing. They have been used as DWDM filters, dispersion compensators, gain flattening filters, optical switch and connection devices, and temperature/strain sensors. FBGs have been found to exhibit four different type structures according to their different growth mechanisms. Each type of FBG exhibits unique thermal and strain properties. Generally, the Type I gratings in hydrogenated and hydrogen-free fibers are used most for applications. However, some novel devices may be achieved by combinational structure of different types of gratings in the future. In this paper, we propose a novel concept of fabrication and application of FBGs with hybrid grating types. We have observed a complex growth behavior of a hybrid-type grating in the UV exposure to a B/Ge codoped fiber through a phase mask. A new model has been developed to simulate the complex growth behavior of the hybrid-type gratings, giving results in excellent agreement with experiment.

Publication DOI: https://doi.org/10.1117/12.481998
Divisions: Engineering & Applied Sciences > Aston Institute of Photonics Technology
Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Additional Information: Xuewen Shu ; Kate Sugden ; Donghui Zhao ; Filip Floreani ; Lin Zhang and Ian Bennion "Hybrid-type fiber Bragg gratings and their applications", Proc. SPIE 4920, Advanced Sensor Systems and Applications, 373 (September 10, 2002); Copyright 2002 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. http://dx.doi.org/10.1117/12.481998
Event Title: Conference on advanced sensor systems and applications
Event Type: Other
Event Dates: 2002-10-15 - 2002-10-18
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Related URLs: http://proceedi ... rticleid=885910 (Publisher URL)
Published Date: 2002-09-10
Authors: Shu, Xuewen
Sugden, Kate ( 0000-0001-6323-1082)
Zhao, Donghui
Floreani, Filip
Zhang, Lin ( 0000-0002-1691-5577)
Bennion, Ian

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