C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/018 (2006.01) C03B 37/014 (2006.01)
Patent
CA 2051305
An optical fiber soot synthesis apparatus which synthesizes around a fiber starting member forming a core of an optical fiber an optical fiber soot forming a cladding and which accurately calculates in real time the mass of the optical fiber soot when deposited so as to control the synthesis of the optical fiber soot. The optical fiber soot synthesis apparatus measures the weight of the rotating fiber starting member and optical fiber soot by a pair of soot weight detection sensors arranged at a fiber starting member support and rotational drive mechanisms divided so as to prevent the weight of the rotational drive mechanisms from having much of an effect. The computation and control apparatus performs operational processing from the measured weights and calculates the mass of only the optical fiber soot synthesized on the fiber starting member in real time. The computation and calculation apparatus refers to the calculated mass to control the synthesis of the optical fiber soot.
Cette invention concerne un appareil de synthèse de suie pour fibre optique qui synthétise autour d'une amorce formant le coeur de la fibre optique un mélange d'oxydes appelé suie qui forme la gaine de la fibre optique. Cet appareil calcule en temps réel la quantité précise de suie déposée afin de réguler la synthèse de suie. Il mesure le poids de l'amorce qui tourne et de la suie au moyen de capteurs répartis sur le support de l'amorce et les mécanismes de rotation de manière que le poids desdits mécanismes ait très peu d'effet sur le résultat des mesures. Le dispositif de calcul et de régulation réalise le traitement en temps réel des poids mesurés et en dérive la masse de la seule suie synthétisée autour de l'amorce. Le dispositif de régulation règle la synthèse en fonction de la masse de suie obtenue par calcul.
Ishida Yoshinori
Kohmura Yukio
Mikami Toshihiro
Nogami Akira
Mcfadden Fincham
The Furukawa Electric Co. Ltd.
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