Paper
5 September 2006 The effect of fabrication parameters on the cleaving of microstructured polymer optical fibers
Susan Law, Geoffrey Barton, Martijn van Eijkelenborg, Cheng Yan, Richard Lwin, Jinyi Gan
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Abstract
A key step towards the commercialization of microstructured polymer optical fibers is the ability to cleave and splice them. The cleaving of polymer optical fiber (whether by cutting or fracture) depends upon the mechanical properties of the material. These in turn depend on the conditions under which the fiber is drawn from the preform. The relationship between fiber draw conditions, mechanical properties of the drawn fiber and the ability to cut the heated fiber with a hot razor blade has been investigated for PMMA fibers of varying hole structure. Differential scanning calorimetry measurements indicate that the type of PMMA used exhibits two 'relaxations' with inflexion points at 115±3oC and 80±2oC respectively, independent of draw conditions. The first of these is in the range expected for the α-relaxation. The origin of the second is unknown. Dynamic mechanical analysis of fiber samples indicates that the temperature dependence of the elastic and loss moduli of the fiber vary significantly with draw conditions. The end-face produced by cutting with a razor blade also varies with draw conditions. Fiber drawn under high tension splinters during cutting and fiber drawn under low tension undergoes ductile deformation and fracture. However for intermediate draw conditions the fiber can be cleanly cut with a razor blade at a temperature of 80±10oC.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Susan Law, Geoffrey Barton, Martijn van Eijkelenborg, Cheng Yan, Richard Lwin, and Jinyi Gan "The effect of fabrication parameters on the cleaving of microstructured polymer optical fibers", Proc. SPIE 6289, Novel Optical Systems Design and Optimization IX, 62890D (5 September 2006); https://doi.org/10.1117/12.680091
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Cited by 2 scholarly publications.
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KEYWORDS
Polymethylmethacrylate

Polymer optical fibers

Temperature metrology

Structured optical fibers

Polymers

Calorimetry

Standards development

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