Elliptically birefringent fibre has been fabricated by spinning the preform of a highly linearly birefringent photonic crystal fibre (PCF) during the drawing process. The resulting Spun Highly Birefringent (SHi-Bi) PCF offers intrinsic sensitivity to magnetic fields through the Faraday effect without the high inherent temperature sensitivities suffered by conventional spun stress birefringence fibres. The ellipticity of the birefringence has been measured and temperature independence has been demonstrated.
Spun elliptically birefringent fibre has been fabricated by spinning the preform of a highly linearly birefringent photonic crystal fibre (PCF) during the drawing process. The resulting spun highly birefringent (SHi-Bi) PCF offers sensitivity to magnetic fields for current measurements with greatly reduced temperature dependence in comparison with conventional spun stress birefringence fibres. The ellipticity of the birefringence has been measured and temperature independence has been demonstrated.
A Spun Highly Birefringent (Shi-Bi) Photonic Crystal Fibre (PCF) has been fabricated, which offers intrinsic sensitivity to magnetic fields through the Faraday Effect without the high inherent temperature sensitivities suffered by conventional stress birefringence fibres.
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