Paper
8 January 2007 Study on micro-bend light transmission performance of novel liquid-core optical fiber
Author Affiliations +
Proceedings Volume 6414, Smart Structures, Devices, and Systems III; 641415 (2007) https://doi.org/10.1117/12.695157
Event: SPIE Smart Materials, Nano- and Micro-Smart Systems, 2006, Adelaide, Australia
Abstract
With the increasing development of material technology and electronic integration technology, optical fiber and its using in smart structure have become hot in the field of material research. And liquid-core optical fiber is a special kind of optical fiber, which is made using liquid material as core and polymer material as optical layer and protective covering, and it has the characteristics of large core diameter, high numerical aperture, large-scope and efficient spectrum transmission and long life for using. So the liquid-core optical fiber is very suitable for spectrum cure, ultraviolet solidification, fluorescence detection, criminal investigation and evidence obtainment, etc, and especially as light transfer element in some new structures for the measurement of some signals, such as concentration, voltage, temperature, light intensity and so on. In this paper, the novel liquid-core optical fiber is self-made, and then through the test of its light transmission performance in free state, the relation between axial micro-bend and light-intensity loss are presented. When the liquid-core optical fiber is micro-bent axially, along with the axial displacement's increase, output power of light is reducing increasingly, and approximately has linear relation to micro-displacement in a range. According to the results liquid-core fiber-optic micro-bend sensor can be designed to measure micro-displacement of the tested objects. Experimental data and analysis provide experimental basis for further application of liquid-core optical fiber.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Junyan Ma, Zhimin Zhao, Kaisheng Wang, and Linfeng Guo "Study on micro-bend light transmission performance of novel liquid-core optical fiber", Proc. SPIE 6414, Smart Structures, Devices, and Systems III, 641415 (8 January 2007); https://doi.org/10.1117/12.695157
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KEYWORDS
Optical fibers

Composites

Fiber optics sensors

Smart structures

Refractive index

Fiber optics

Liquids

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