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Low loss, low OH content 0.23 n.a. graded index germanium phosphosilicate fibres have been fabricated using the m.c.v.d. process at rates up to 0.34 g/min with deposited layer thicknesses up to 16 Â¿m. The deposition rate did not affect achievement of low loss in the spectral range 0.7 Â¿mÂ¿1.7 Â¿m.