娉㈠垎澶嶇敤鍘熺悊绠�浠?/p>
浜х敓鑳屾櫙
浼犺緭甯﹀鐨勯渶姹傚闀匡紝浼犺緭绯荤粺闇�鎵╁锛?/p>
飩?/p>
澧炲姞绯荤粺鏁伴噺
(
鍏夌氦鏁伴噺
)
锛氭暦璁惧厜缂嗭紝娌℃湁鏈夋晥鍒╃敤鍏夌氦甯﹀
飩?/p>
鎻愰珮绯荤粺閫熺巼
(TDM
鏃跺垎澶嶇敤
PDH/SDH)
锛?/p>
10Gb/s,40Gb/s
鐢靛瓙鍣ㄤ欢鎶�鏈瀬闄?/p>
/
鎴愭湰
/G
.652
鍏夌氦
1550nm
绐楀彛鐨勯珮鑹叉暎
飩?/p>
娉㈠垎澶嶇敤锛?/p>
WDM
锛夋妧鏈?/p>
EDFA(
erbium-doped fiber amplifier
鎺洪搾鍏夌氦鏀惧ぇ鍣?/p>
)
鐨勬垚鐔熷拰鍟嗙敤鍖?/p>
鍩烘湰姒傚康
娉㈠垎澶嶇敤
(WDM)
鍏呭垎鍒╃敤鍗曟ā鍏夌氦浣庢崯鑰楀尯鐨勫法澶у甫瀹借祫婧愶紝
灏嗗厜绾ょ殑浣庢崯鑰楃獥鍙ｅ垝鍒嗘垚鑻ュ共涓俊
閬擄紝鎶婂厜娉綔涓轰俊鍙风殑杞芥尝锛?/p>
灏嗗绉嶄笉鍚屾尝闀跨殑鍏夎浇娉俊鍙峰湪鍙戦�佺缁忓鐢ㄥ櫒
(
浜︾О鍚堟尝鍣紝
Multiplexer)
姹囧悎鍦ㄤ竴璧凤紝骞惰�﹀悎鍒板厜绾胯矾鐨勫悓涓�鏍瑰厜绾や腑杩涜浼犺緭锛?/p>
鍦ㄦ帴鏀剁锛岀粡瑙ｅ鐢ㄥ櫒
(
浜︾О
鍒嗘尝鍣紝
Demultiplexer)
灏嗗悇绉嶆尝闀跨殑鍏夎浇娉㈠垎绂伙紝鐒跺悗鐢卞厜鎺ユ敹鏈轰綔杩涗竴姝ュ鐞嗕互鎭㈠鍘熶俊鍙枫�傝繖
绉嶅湪鍚屼竴鏍瑰厜绾や腑鍚屾椂浼犺緭涓や釜鎴栦紬澶氫笉鍚屾尝闀垮厜淇″彿鐨勬妧鏈紝绉颁负娉㈠垎澶嶇敤銆?/p>
娉㈠垎澶嶇敤鍦ㄦ湰璐ㄤ笂鏄厜鍩熶笂鐨勯鍒嗗鐢紙
FDM
锛夋妧鏈�?/p>
閫氶亾闂撮殧鐨勪笉鍚岋紝鍙垎涓猴細
鈥?/p>
CWDM
锛?/p>
Coarse Wavelength Division Multiplexing
绋�鐤?/p>
/
绮楁尝鍒嗗鐢級
淇￠亾闂撮殧涓?/p>
20nm
鈥?/p>
DWDM
锛?/p>
Dense Wavelength Division Multiplexing
瀵嗛泦娉㈠垎澶嶇敤锛?/p>
淇￠亾闂撮殧浠?/p>
0.2nm
鍒?/p>
1.2nm
銆?/p>
娉㈠垎澶嶇敤鎶�鏈殑浼樼偣
(1)
浼犺緭瀹归噺澶э紝鍙互鍏呭垎鍒╃敤鍏夌氦鐨勫法澶у甫瀹借祫婧愶紝鑺傜害瀹濊吹鐨勫厜绾よ祫婧愩�?/p>
(2)
瀵瑰悇绫讳笟鍔′俊鍙封�滈�忔槑鈥濓紝鍙互浼犺緭涓嶅悓绫诲瀷銆佸绉嶆牸寮忕殑涓氬姟淇″彿銆傚浜庘�滀笟鍔♀�濆眰淇″彿鏉?/p>
璇达紝
WDM
鐨勬瘡涓尝闀垮氨鍍忊�滆櫄鎷熲�濈殑鍏夌氦涓�鏍枫�?/p>
(3)
鎵╁鏂逛究銆?/p>
WDM
鎶�鏈槸鐞嗘兂鐨勬墿瀹规墜娈点�傚浜庢棭鏈熻姱鏁颁笉澶氱殑鍏夌氦绯荤粺锛屽埄鐢ㄦ鎶�鏈紝涓嶅繀鍋?/p>
杈冨ぇ鏀瑰姩锛屽氨鍙互杞绘澗鎵╁銆傚鍔犱竴涓檮鍔犲厜娉㈤暱灏卞彲浠ュ紩鍏ヤ换鎰忔柊涓氬姟鎴栨墿鍏呭閲忋�?/p>
(4)
缁勫缓鍔ㄦ�佸彲閲嶆瀯鐨勫厜缃戠粶锛屽湪缃戠粶鑺傜偣浣跨敤鍏夊垎鎻掑鐢ㄥ櫒锛?/p>
OADM
锛夋垨鑰呬娇鐢ㄥ厜浜ゅ弶杩炴帴璁惧
锛?/p>
OXC
锛夛紝鍙互缁勬垚鍏锋湁楂樺害鐏垫椿鎬с�侀珮鍙潬鎬с�侀珮鐢熷瓨鎬х殑鍏ㄥ厜缃戠粶銆?/p>