Holographic measurement of refractive-index profile of optical fibre preform |
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| Authors: | Chu PL Peri D |
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| Affiliation: | Stanford University, Information Systems Laboratory, Department of Electrical Engineering, Stanford, USA; |
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| Abstract: | A holographic method of measuring the refractive-index profile of an optical fibre preform is presented. It uses the principle of shearing interferometry. The method is simple and allows measurements to be repeated even after the preform has been withdrawn for fibre drawing. |
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