Measurement of intermodal delay in a dual-mode optical fibre |
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| Authors: | Uttam D |
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| Affiliation: | University of Strathclyde, Department of Electronic & Electrical Engineering, Glasgow, UK; |
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| Abstract: | A novel measurement technique for intermodal dispersion between the LP01 and LP11 modes of a dual-mode optical fibre is described. A frequency-modulated optical source produces a beat frequency, proportional to intermodal delay, by interference of the two modes at the fibre output. Experimental results agree with theoretical predictions. |
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