際際滷

際際滷Share a Scribd company logo
Cairo University
Faculty of Agriculture
Dept. of Agric. Eng.
悋悋惘悸 悴悋惺悸
悋慍惘悋惺悸 悸
悋慍惘悋惺悸 悋惆愕悸 愕
悋惷悧悸 悋悖悋
Optical Fiber
悋惺惆悋惆:
惘惆 忰惆 悋愕惆 惘
悋愆惘悋 惠忰惠:
悋.惆.愆悋 忰惆
悖悋惶惺悸悋慍悴悋悴悋惠愀悸惘惺悸悋
惠惺惆愕悋愕悋愆惺惘悸悴惺悋惺惆惆悵悋悖悋忰慍
惆悋悽悋悋惡悋惠悋惡惶惘悸惠愕惠悽惆悋悒愆悋惘悋惠悋惷悧悸
愕悋悋惠惡惺惆悸悴惆悋惠惶悒200.
惠惠惘惡悋悖悋悋惷悧悸
悋愕愀悋惠惠忰惆惠悋惘慍
惠愕悋悖惡悋惡Core
忰悋愀悸惡悋愕愀悋悸悖悽惘
惠愕悋愃悋Cladding惓
悋愃愀悋悄悋悋Buffer
Coating.
1-悋惡悖悋惡(Core):惘慍悋愕悴(Fiber)惠
悋惷悄惺惡惘.
2-悋愃悋(Cladding)悋悋惆悸悋悽悋惘悴悸愕悴悋惠惠忰愀
惡悋惡惠悋悖惠惺愕悋惷悄悋悽悋惘悴悋惡惠惺惆悒.
3-愃愀悋悄悋忰悋悸(Buffer Coating)惺惡悋惘惺愃愀悋悄
悋惡悋愕惠惠忰悋悸悋愕悴悋惷悧悋惷惘惘悋惘愀惡悸.
*悧悋惠悋悛悋悵悋悖悋悋惷悧悸惠惘惠惡忰慍惺愆
悋惡悋惠惷悧悸.悵慍 悋忰惠忰惡悋愕愀悸悋愃悋悋悽悋惘悴悋惡
惠愕悋愃悋(Jacket).
惠愕悋悖悋悋惷悧悸悋惺悖愕悋愕:-
1-悋悖悋悵悋惠悋愀悋惘惆: Single-Mode Fiber惠悽悋悋
悒愆悋惘悸惷悧悸悋忰惆悸愀悸惷悧悸悖悋悋忰慍悸
惠愕惠悽惆愆惡悋惠悋悋惠悋惡悋惠悋惠慍.
2-悋悖悋惠惺惆惆悸悋愀Multi-Mode Fiber:惡悋惠悋惺惆惆
悋悒愆悋惘悋惠悋惷悧悸悽悋悋悸悋惷悧悸悋悋忰惆悸悋悴惺悋愕惠悽惆悋悋
悖惷愆惡悋惠悋忰悋愕惡.
optical fiber
optical fiber
悋惷悄愕悋惘悽悋悋惡(悋愕悋惘)惺慍悋惠惠惴悸悋愃悋(悋惘悛悸)
惺惆悋愀悋悋惺愀悋忰愕惡悋愕惡悋悒惺悋愕悋惆悋悽悋(Total
Internal Reflection)悖悋愃悋悋惠惶悖悋悒愆悋惘悋惠
悋惷悧悸悋惠悸惆悋悽悋惡悒悋悒愆悋惘悋惠悋惷悧悸悖惠惠
愕悋悋惠惡惺惆悸惡惺惷悵悋悒愆悋惘悋惠惠惷惺惆悋悽悋悖悋惡愕惡惡惺惆
悋悸悋慍悴悋悴惠惓惓悋悋惆悋悵悖惠惷惺悵悋悒愆悋惘悋惠
惺惠惆惺惆惘悴悸悋悸悋慍悴悋悴悋悵惠惶惺悋悖悋悖惷悋惺惠惆悋愀
悋悴惷悄悋惘愕悽悋(悋悋惓850悋惠惘惷惺惡惆悋惘惠惘悋忰
惡60悒75惡悋悋悧悸惠惘)惡惺惷悋悖悋惷惺悋悒愆悋惘悸
悋惡惆悋惘悋(10%惠惘惺惆悋愀悋悴1550
悋惠惘).
1-: Transmitter悋悵惠悴愆惘悋悒愆悋惘悸悋惷悧悸忰惓
悋悴慍悄悋悖愕悋愕惡悋惶惆惘悋惷悧悋悵惆Laser悖LED
悒悵悋悖惘惆悋惓悋悒愆悋惘悸惠慍悸悖悖惺悸悋悋惷惘惘
惠忰惘悋愆悋惘悸悋惷悧悸愀惡悋惺悸悋惘悋惆悋.
≒惠忰惘悋悒愆悋惘悸悋惷悧悸惆惠惡惠愃惘愆惆惠悋悋惘惠悋惺悋悋悽悋惷悋
analogue modulation悖悒愆惺悋悋悒愀悋悧悋惠惠悋惡惺悋惺惘
惡digital modulation.
2-Fiber-optic:悋悵惡惠惶悋悒愆悋惘悸悋惷悧悸惺惡惘
悋愕悋悋惠悋惡惘.
3-Receiver:愕惠惡悋悒愆悋惘悸悋惷悧悸愆惘惠悋忰悋悒
悒愆悋惘悸惘惡悸惠惘愕悒悋愕惠悽惆悋悵惆悋惠慍悖
悋惠.
悋悋惺悋愕悋惆悋悽悋-:Total internal reflection
悋惺悋愕悋愆惺悋惺悋愕悋愀.悋忰惆惓悋悋惺悋愕悋惠悋悒悋惡惠惘愆惘愀:
≒悒悵悋惠惺惘惷悋愆惺悋惺悋愕悋愀悒悋悽惠悋惺悋悋悋愕悋惘,悵悋忰惆惓惺惆
惺惡惘愕愀悒愕愀悛悽惘.
≒悒悵悋愃惆惠慍悋悸悋愕愀悖惡惘悋慍悋悸悋忰惘悴悸悖惶愃惘90属.
悋惷悧 悋悖悋  悋惠悋 悋悋惺悋愕 惴悋惘悸 惠愀惡悋惠 悖惡惘慍悸.
悋 惺惡惘 惡悋惡悋悋惠 忰悸 惷悧悸 忰慍悸 惡惺惓 惠 忰惓
惡 悋悽悋惶悸 悋忰惘悴悸 悋慍悋悸  悖惡惘 惡慍悋悸 悋惷悧,悋
惆悋 惠惡愃 忰惠 悋 悋惘惠惆悋惆悋 惠惘惠惆 惠.
悋慍悋悸悋忰惘悴悸-: Critical angle
慍悋悸愕愀悋愕愀悋悖惡惘惓悋悸惷悧悸(悋悖惡惘惺悋
悋悋愕悋惘)惠悋惡悋慍悋悸悋愕悋惘悋愕愀悋悖惓悋悸惷悧悸(悋悖
惺悋悋悋愕悋惘)惠愕悋90属.
1-悋悴悋悋愀惡:悒悴惘悋悄悋惺悋惠悋悴惘悋忰悸悋惆悸惘悗悸
悖悴慍悋悄悋悴愕悋惆悋悽悸惓(惠惴惘悋惺惆悸)
2-悴悋悋悋惠惶悋悋惠:悋悴悋悋悖愕惺悋悵惷惺愆惘悋惠
悋惠愀惡悋惠惓惠愀惡悋惠悋悋惠惶悋悋惠悋惠慍悋惠愃惘悋.
3-悴悋悋惆愕悸悋惘悋惓悸:忰惓惠悋愆惘悸悋惘悋惓悸
惺悋悖惘悋惷悋惘悋惓悸悋愕惘惠悋慍悸惆悋惘悋惆....
4-悋悴悋悋惺愕惘:忰惓悋悋惶惺惡悋惠悴愕愕惺悋愕忰惡
悋悒愆悋惘悸.
*悋悋悋惠悴惆惘悋悄悋惆惡悋惘悋惆惡悋惘惺慍悋忰惘悋惘悋
愀悋悋愆惺惘悋惠悋惘悋悄惠惺悴惺悸悛悧悸悋悋悋悋惡惶惘悸
悋惠惠惺愕悋悖愆惺悸悋惡愕悴悸.
5-悴悋悋惠惆惘愕悋悴惘悋悄悋惺悋惠悋忰愕悋惡悸.
1-悋悒愆悋惘悋惠惠惠惆悋悽惡悋悖悋悋惷悧悸惡愕惘惺悸悋惷悄悋惘悋愃
悋愕惘惺悸惆悋悽悋惡惠悋愕惘惺悸悋惷悄悋惘悋愃惡愕惡惡愀惡惺悸
悋悋惆悸悋慍悴悋悴悸悋愕惠悽惆悸惶悋惺悸惡悋悖悋悋惷悧悸悋悋惺悒悵
悋悋惆悸悋慍悴悋悴悸惠忰悋惓惘悋愆悋悧惡(50)悒(80)悵
悋愕惘惺悸愕惘惺悸悋悒愆悋惘悋惠悋惠惠惠惺悋惡悋悖悽惘.
2-愕惺悸悋惺愀悋惠悋悸惡悋悖悋悋惷悧悸惠惶悋惓悋悸
悋悋忰惆悸悒10 .(Gbps)
3-悋惺惠惷悋惘惡悋惠惆悋悽悋惺愀悋惠惡愕惡惡惺惆悴惆愕
惘惡悋悧悖悋悋惠悖惓惘惡悋惷悋惘愃悋愀愕.
4-惠惷惺悒愆悋惘悋惠悋悸悖悒悋惆惘悸悋惷悋悧惺悸惡悋悖悋
悋惷悧悸愕惠悸悋悋悴惆.
5-悋惠悴惆惠惶悋惠悖忰悋惠惘惡悋悧悸惡愕惡惡悋愕惺惆悋
惠惺悋惺悋惠悋惘悋惘惡悋悧悋忰悖愆惡悸悽悋惘悴悸忰惠惠愕
惺悋愆忰悋惠.
6-惡悋惠悋悖悋悋惷悧悸忰惓悋忰悴悋慍惠惶愃惘悸惡愕惡惡
悖悋悸悋慍悴悋悴悋惘悸惠惡惘悸.
7-悋悋愕惠悽惆悋惡悋惠悋悖悋悋惷悧悸忰慍惡惘惆惘悴悋惠
悋忰惘悋惘悸悵惡愕惡惡愀惡惺悸悋悋惆悸悋愕惠悽惆悸悋惠惶惺悖悋
悋惆愕悋惡惘惆悋惡悋忰惘Coaxial Cable
忰悋惘惠悋惺惆惘悴悋惠悋忰惘悋惘悸悋惡悋忰惘愕惠悖惓惘.

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