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home ֽ м

,ݰ Ȯ

[м]

IT ر Բ ħü

 

90 , IT Բ 2001 ū ̷, ȣȲ ߴ.

 

̺ ̺ е ۷ ۼӵ ̱ žü ̺ , ̿ ̺ Ḧ ϴ ü , ⿡ Ǿ 2~3 Ը Ը ̾.

 

, žü ڷ , ȸ ̿ ̴ ᱹ žü ܰй ̾ ħü Ǿ.

 

ɷ 8,000 km̸, 6,500 km Ұ Ȳ̴. ̸ 䰡 2005⿡ 15% ġ̴. , а Ȥ Ұϴ.

 

 

LWPF ȯ ٺ ȭ ߻

 

ֱ SMF LWPF ȯ ְ, ü ͼ ٺ ȭ ߻ϰ ִ Ǵܵȴ.

 

SMF(single mode fiber) 90 ~ 2000 ʿ ̺ Ư뿪 ۼս ũٴ ִ. ü SMF ϱ ؽ ڸ ϱ ̴.

 

ݸ 2002 ۵ LWPF(low water peak fiber) Corning, Sumitomo, Furukawa, Fujikura ü Ű ̴.

 

 

LWPF SMF 2迡 ۷ ѵ, ̴ ʿ ۿ ּȭ Ư뿪 ۼս ؼȭ ױ ̴.

 

KT ű ڵǴ ̺ LWPF ϰ , IT κ KT ʸ ȴ. (, Ŀ SMF ϴ žü ̴.)

 

LWPF ڰ 5翡 Ұϱ , LWPF þ ް ؼҵǸ鼭 ȭ ȴ. , LWPF Ѵ ϴ ֱ Ⱓ ħü κ ü ǿ ̱ 忡 پ ƴ. Ҽ ü ȴ.

 

 

ü

 

1974 迭 ۼҷ Ǿ Ƴ 巳 ؿԴ. ׷ٰ 80 ؿ θ Ѱܹް, 2000⿡ ִ. ׸ 2001⿡ 700 Ը Ը ڸ 2 â .

 

 

LWPF ü̴. ü 忡 ̹ µ Ȳ̱ ̷ ȴ. , LS ̺ ü ϰ , ٵ ΰ ִٴ ̴.

 

 

ε , ݰ پ

 

ϴ, 簡 Ƿ ؿܷ Ը𿡼 񱳰 Ǵ Corning, Sumitomo, Furukawa, Fujikura ü Ѵ. 귮 300 kmε , Corning 2,000 km Ѵ.

 

귮 Ӹ ƴ϶ 귣 ſ ū ̴. ̺ ü ϴ ̶ ͼ Ǻϴ Ұϱ , ü ŷڵ ſ ߿ϴ. ʱ ؿ ʴ.

 

, 鿡 ְ Ǵܵȴ. ǥ LWPF ܰ ZWPF() ִ ü ָ ʿ䰡 ִ. ZWPF μ, ̴ ƴ LWPF spec . , VAD(ռ ) ü, پ ݰ ϰ ִ.

 

п ü ǰ 20% ϴ. ׷ ұϰ ֱ ڸ ִ ü̴. Ȼ پ ̱⵵ ѵ, ٴٰ , , ȸκ ޹ ־ 30~40% ȿ ִ. , Ư ᵵ ſ δ.

 

 

 

̴. , Ƹ ȥ ̸, ̵ ȭй ϸ鼭 پ ü Ѵ. ü ŻŰ, ϴµ ̰ ٷ ٽ (preform)̴. ϸ · Ǵµ, Ӹī ̾Ƴ ̴. ( ü 6翡 Ұϴ.)

 

 

 

߱ ݴ غ

 

귮 ̻ ϰ ִ. ߿ ߱ε, ǻ ߱ ߴٰ ص ƴϴ. 2003 ߱忡 Corning翡 ̾ 2 ϸ ½屸 , ܱü Ϸ ߱ ݴα ǻ ö ̴. ߱ ⹰ 10% ̻ սǿ ұϰ ¿ ϰ ִ κ̴.

 

ݴα ü ö, ̱ з Corning縸 Ǯ ߱ ϰ ִ ̴.

 

߱ ſ 2004 3б 2005 1б ڻ¿ ϰ, ȭϸ鼭 ߱ Һ κ Ų Ȳ̴. 1⸸ ̷ٴ ϸ, Ŀ ǰ , FTTH ڰ ٴ Ȱ ȴ. ٸ, 踦 ִ ߱ ϱ ƴ.

 

2005⿡ 7% ͷ ø ִµ, ߱常 ȣ Ѵٸ 15%~20% ͷ ̴.

 

 

б ٴ

 

 

Ư ġ ŷ

 

 

 

2006 濵ȹ

 

 

 

 

ڼ sb80@viptooza.com






ƮƮ ũα (1) ֱֱ(0)
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 Ѹ ( 1)

  1. sho
    sho | 06.10/25 22:48
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    ſ ҽϴ. մϴ.
    Ŀ ٽ ƾ߰ڽϴ.
    ۾
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