Mehrfach Ummantelte Optische Fasern

Details

Veröffentlichungs-Nr.

EP4741893

Anmeldetag

23. März 2023

Veröffentlichung

13. Mai 2026

Rechtsraum

EP

IPC

G02B6/036, C23C4/06, G02B6/02G02B6/02

Abstract

The present invention relates to an optical fiber (100, 200, 300, 400) comprising one or more cores (102), a clad enveloping the one or more cores and a buffer clad layer (202, 302, 402) between the first clad layer and the second clad layer. Particularly, the clad includes a first clad layer (104) is made of silica with less than 0.1% metallic impurity and a second clad layer (106) is made of silica with greater than 0.1% of metallic impurity. Further, the first clad layer has less than 800 ppm OH content, less than 10 ppm aluminium and less than 2 ppm sodium and the second clad layer has less than 50 ppm OH content, more than 10 ppm aluminium and more than 2 ppm sodium.

Anmelder

Firma

Sterlite Technologies Limited

Land

🇮🇳 Indien