鍠ā鍏夌簴(SingleModeFiber)锛氫腑蹇冪幓鐠冭姱寰堢窗(鑺緫涓�鑸偤9鎴�10渭m)锛屽彧鑳藉偝涓�绋ā寮忕殑鍏夌簴銆傚洜姝�锛屽叾妯￠枔鑹叉暎寰堝皬锛岄仼鐢ㄤ簬閬犵▼閫氳▕锛屼絾閭勫瓨鍦ㄨ憲鏉愭枡鑹叉暎鍜屾尝灏�(d菐o)鑹叉暎锛岄�欐ǎ鍠ā鍏夌簴灏嶅厜婧愮殑璀滃鍜岀┅(w臎n)瀹氭�ф湁杓冮珮鐨勮姹�锛屽嵆璀滃瑕佺獎锛岀┅(w臎n)瀹氭�ц濂�銆傚悗渚嗗張鐧�(f膩)鐝�(xi脿n)鍦�1.31渭m娉㈤暦铏�锛屽柈妯″厜绾栫殑鏉愭枡鑹叉暎鍜屾尝灏�(d菐o)鑹叉暎涓�鐐烘銆佷竴鐐鸿矤锛屽ぇ灏忎篃姝ｅソ鐩哥瓑銆傞�欐ǎ锛�1.31渭m娉㈤暦鍗�(q奴)灏辨垚浜嗗厜绾栭�氫俊鐨勪竴鍊嬪緢鐞嗘兂鐨勫伐浣滅獥鍙ｏ紝涔熸槸鐝�(xi脿n)鍦ㄥ鐢ㄥ厜绾栭�氫俊绯荤当(t菕ng)鐨勪富瑕佸伐浣滄尝娈�1.31渭m甯歌(gu墨)鍠ā鍏夌簴鐨勪富瑕佸弮鏁�(sh霉)鏄敱鍦嬮殯闆讳俊鑱�(li谩n)鐩烮TU锛峊鍦℅652寤鸿涓⒑瀹氱殑锛屽洜姝ら�欑ó鍏夌簴鍙堢ūG652鍏夌簴銆�
鍠ā鍏夌簴鐩告瘮浜庡妯″厜绾栧彲鏀寔鏇撮暦鍌宠几璺濋洟锛屽湪100Mbps鐨勪互澶恫(w菐ng)浠ヨ嚦1G鍗冨厗缍�(w菐ng)锛屽柈妯″厜绾栭兘鍙敮鎸佽秴閬�5000m鐨勫偝杓歌窛闆�銆�
寰炴垚鏈搴﹁�冩叜锛岀敱浜庡厜绔闈炲父鏄傝泊锛屾晠閲囩敤鍠ā鍏夌簴鐨勬垚鏈渻姣斿妯″厜绾栧厜绾滅殑鎴愭湰楂�銆�
鎶樺皠鐜囧垎甯冨拰绐佽畩鍨嬪厜绾栫浉浼�锛岀簴鑺洿寰戝彧鏈�8~10 渭m锛屽厜绶氫互鐩寸窔褰㈢媭娌跨簴鑺腑蹇冭桓绶氭柟鍚戝偝鎾�銆傚洜鐐洪�欑ó鍏夌簴鍙兘鍌宠几涓�鍊嬫ā寮忥紙鍏╁�嬪亸鎸厠(t脿i)绨″苟锛�锛屾墍浠ョū鐐哄柈妯″厜绾栵紝鍏朵俊铏熺暩璁婂緢灏�銆�
"鍠ā鍏夌簴" 鍦ㄥ(xu茅)琛�(sh霉)鏂囩嵒涓殑瑙ｉ噵锛氫竴鑸瑅灏忎簬2.405鏅�,鍏夌簴涓氨鍙湁涓�鍊嬫尝宄伴�氶亷,鏁呯ū鐐哄柈妯″厜绾�,瀹冪殑鑺瓙寰堢窗,绱勭偤8涓�10寰背,妯″紡鑹叉暎寰堝皬.褰遍熆鍏夌簴鍌宠几甯跺搴︾殑涓昏鍥犵礌鏄悇绋壊鏁�,鑰屼互妯″紡鑹叉暎鏈�鐐洪噸瑕�,鍠ā鍏夌簴鐨勮壊鏁ｅ皬,鏁呰兘鎶婂厜浠ュ緢瀵殑闋诲付鍌宠几寰堥暦璺濋洟銆�
鍠ā鍏夌簴鍏峰倷10 micron鐨勮姱鐩村緫锛屽彲瀹硅ū鍠ā鍏夋潫鍌宠几锛屽彲娓涢櫎闋诲鍙婃尟妯¤壊鏁�(Modal dispersion)鐨勯檺鍒讹紝浣嗙敱浜庡柈妯″厜绾栬姱寰戝お灏�锛岃純闆ｆ帶鍒跺厜鏉熷偝杓革紝鏁呴渶瑕佹サ鐐烘槀璨寸殑婵�鍏変綔鐐哄厜婧愰珨锛岃�屽柈妯″厜绾滅殑涓昏闄愬埗鍦ㄤ簬鏉愭枡鑹叉暎(Material dispersion)锛屽柈妯″厜绾滀富瑕佸埄鐢ㄦ縺鍏夋墠鑳界嵅寰楅珮闋诲锛岃�岀敱浜嶭ED鏈冪櫦(f膩)鏀惧ぇ閲忎笉鍚岄牷瀵殑鍏夋簮锛屾墍浠ユ潗鏂欒壊鏁ｈ姹傞潪甯搁噸瑕�銆�
鍠ā鍏夌簴鐩告瘮浜庡妯″厜绾栧彲鏀寔鏇撮暦鍌宠几璺濋洟锛屽湪100Mbps鐨勪互澶恫(w菐ng)浠ヨ嚦1G鍗冨厗缍�(w菐ng)锛屽柈妯″厜绾栭兘鍙敮鎸佽秴閬�5000m鐨勫偝杓歌窛闆�銆�
寰炴垚鏈搴﹁�冩叜锛岀敱浜庡厜绔闈炲父鏄傝泊锛屾晠閲囩敤鍠ā鍏夌簴鐨勬垚鏈渻姣斿妯″厜绾栭浕绾滅殑鎴愭湰楂�銆�
鍠ā鍏夌簴锛圫ingleModeFiber, SMF锛�
鍠ā鍏夌簴鑸囧妯″厜绾栫浉姣旇純锛岃姱寰戠窗寰堝锛屽儏鐐�8锝�10渭m銆傚洜鍙偝涓�鍊嬫ā寮�锛岀劇妯￠枔鑹叉暎锛岀附鑹叉暎灏忥紝甯跺瀵�銆傚柈妯″厜绾栦娇鐢ㄥ湪1.3锝�1.6渭m鐨勬尝闀峰崁(q奴)鍩�锛岄�氶亷灏嶅厜绾栨姌灏勭巼鍒嗗竷鐨勯仼鐣惰ō(sh猫)瑷�锛屽苟閬哥敤绱斿害寰堥珮鐨勬潗鏂欏埗鍌欐瘮绾栬姱澶�7鍊嶇殑鍖呭堡锛屽彲鍦ㄦ娉㈡鍚屾檪瀵︾従(xi脿n)鎼嶈�楄垏鏈�灏忚壊鏁�銆�
鍠ā鍏夌簴鐢ㄤ簬闀疯窛闆�銆佸ぇ瀹归噺鍏夌簴閫氫俊绯荤当(t菕ng)锛屽厜绾栧眬閮ㄥ崁(q奴)鍩熺恫(w菐ng)鍜屽悇绋厜绾栧偝鎰熷櫒涓�銆�
652鍠ā鍏夌簴
婊胯冻ITU-T.G.652瑕佹眰鐨勫柈妯″厜绾栵紝甯哥ū鐐洪潪鑹叉暎浣嶇Щ鍏夌簴锛屽叾闆惰壊鏁ｄ綅浜�1.3um绐楀彛浣庢悕鑰楀崁(q奴)锛屽伐浣滄尝闀风偤1310nm锛堟悕鑰楃偤0.36dB/km锛�銆傛垜鍦嬪凡鏁疯ō(sh猫)鐨勫厜绾栧厜绾滅禃澶у鏁�(sh霉)
鏄�欓鍏夌簴銆傞毃钁楀厜绾栧厜绾滃伐妤�(y猫)鍜屽崐灏�(d菐o)楂旀縺鍏夋妧琛�(sh霉)鐨勬垚鍔熸帹閫�锛屽厜绾栫窔璺殑宸ヤ綔娉㈤暦鍙綁(zhu菐n)绉诲埌鏇翠綆鎼嶈�楋紙0.22dB/km锛夌殑1550nm鍏夌簴绐楀彛銆�
653鍠ā鍏夌簴
婊胯冻ITU-T.G.653瑕佹眰鐨勫柈妯″厜绾�锛屽父绋辫壊鏁ｄ綅绉诲厜绾栵紙DSF=Dispersion Shifled Fiber锛夛紝鍏堕浂鑹叉暎娉㈤暦绉讳綅鍒版悕鑰楁サ浣庣殑1550nm铏�銆傞�欑ó鍏夌簴鍦ㄦ湁浜涘湅瀹�锛岀壒鍒ュ湪鏃ユ湰琚帹寤ｄ娇鐢�锛屾垜鍦嬩含涔濆共绶氫笂涔熸湁鎵�閲囩磵銆傜編鍦婣T&T鏃╂湡鐧�(f膩)鐝�(xi脿n)DSF鐨勫毚閲嶄笉瓒�锛屽湪1550nm闄勮繎浣庤壊鏁ｅ崁(q奴)瀛樺湪鏈夊鐨勫洓娉㈡贩闋荤瓑鍏夌簴闈炵窔鎬ф晥鎳�(y墨ng)锛岄樆绀欏厜绾栨斁澶у櫒鍦�1550nm绐楀彛鐨勬噳(y墨ng)鐢ㄣ�備絾鍦ㄦ棩鏈�锛屽皣鑹叉暎瑁滃劅鎶�琛�(sh霉)*鐢ㄤ簬G.653鍠ā鍏夌簴绶氳矾锛屼粛鍙В姹哄晱椤�锛岃�屼笖鏈鏈夋棩鏈殑G.655鍏夌簴锛屼技灞�嬭瑤銆�
655鍠ā鍏夌簴
婊胯冻ITU-T.G.655瑕佹眰鐨勫柈妯″厜绾�锛屽父绋遍潪闆惰壊鏁ｄ綅绉诲厜绾栨垨NZDSF锛�=No
nZero Dispersion Shifted Fiber锛夈�傚爆浜庤壊鏁ｄ綅绉诲厜绾�锛屼笉閬庡湪1550nm铏曡壊鏁ｄ笉鏄浂鍊硷紙鎸塈TU-T.G.655瑕�(gu墨)瀹�锛屽湪娉㈤暦1530-1565nm鑼冨湇灏嶆噳(y墨ng)鐨勮壊鏁ｅ�肩偤0.1-6.0ps/nm*km锛�锛岀敤浠ュ钩琛″洓娉㈡贩闋荤瓑闈炵窔鎬ф晥鎳�(y墨ng)銆傚晢鍝佸厜绾栨湁濡侫T&T鐨凾rueWave鍏夌簴锛孋orning鐨凷MF-LS鍏夌簴锛堝叾闆惰壊鏁ｆ尝闀峰吀鍨嬪�肩偤1567.5nm锛岄浂鑹叉暎鍏稿瀷鍊肩偤0.07ps/nm2*km锛変互鍙奀orning鐨凩EAF鍏夌簴銆傛垜鍦嬬殑"澶у瀵�"鍏夌簴绛�銆�
|
鎶�琛�(sh霉)鍙冩暩(sh霉) |
G.655 |
G.652 |
銆�銆� |
|
宸ヤ綔娉㈤暦(nm) |
1530-1565 |
1310 |
1550 |
|
琛版笡(dB/km) |
鈮�0.22 |
鈮�0.36 |
鈮�0.22 |
|
闆惰壊鏁ｆ尝闀�(nm) |
銆�銆� |
1300-1324 |
銆�銆� |
|
闆惰壊鏁ｆ枩鐜�(ps/nm2*km) |
0.045-0.1 |
0.093 |
銆�銆� |
|
鑹叉暎(ps/nm*
km) |
1鈮D|鈮� |
3.5 |
18 |
|
鑹叉暎鑼冨湇(nm) |
1530-1565 |
1288-1339 |
1550 |
|
鍋忔尟妯¤壊鏁�(ps/鈭歬m) |
鍠洡锛氣墹0.125 閺堣矾锛堚墺20鐩ゅ厜绾滐級锛氣墹0.10 |
鍠洡锛氣墹0.20 閺堣矾锛堚墺20鐩ゅ厜绾滐級锛氣墹0.15 |
銆�銆� |
|
鍏夋湁鏁堥潰绌�(m2) |
55-85 |
80 |
銆�銆� |
|
妯″牬鐩村緫(m) |
8.0 锝� 11.0 |
8.8 锝� 9.5 |
10.5 |
|
褰庢洸鐗规��(dB) |
1.0 |
0.5 |
0.5 |
|
閲囩敤鍏夌簴椤炲瀷 |
鍌宠几2.5Gb/s TDM 鍜學DM 绯荤当(t菕ng) |
鍌宠几10Gb/s TDM 鍜學DM 绯荤当(t菕ng) |
|
G.652 |
婊胯冻 |
婊胯冻锛� 浣嗛渶閲囧彇鑹叉暎瑁滃劅鎺柦 |
|
G.655 |
婊胯冻 |
婊胯冻 |
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5銆佸洖鎼�---ReturnLoss锛氬弽灏勬悕鑰楀張绋辩偤鍥炴尝鎼嶈��锛屽畠鏄寚鍑哄厜绔�锛屽悗鍚戝弽灏勫厜鐩稿皪杓稿叆鍏夌殑姣旂巼鐨勫垎璨濇暩(sh霉)锛屽洖娉㈡悕鑰楁剤澶ф剤濂�锛屼互娓涘皯鍙嶅皠鍏夊皪鍏夋簮鍜岀郴绲�(t菕ng)鐨勫奖闊�銆�
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1310nm娉㈤暦鐨勫厜鍦℅.652鍏夌簴涓婂偝杓告檪锛屾焙瀹氬叾鍌宠几璺濋洟闄愬埗鐨勬槸琛版笡鍥犳暩(sh霉)锛涘洜鐐哄湪1310nm娉㈤暦涓�锛屽厜绾栫殑鏉愭枡鑹叉暎鑸囩祼(ji茅)妲�(g貌u)鑹叉暎鐩镐簰鎶垫秷绺界殑鑹叉暎鐐�0锛屽湪1310nm娉㈤暦涓婃湁寰皬鎸箙鐨勫厜淇¤櫉鑳藉?q奴)宕縁(xi脿n)瀵牷甯跺偝杓�銆�
1550nm娉㈤暦鐨勫厜鍦℅.652鍏夌簴涓婂偝杓告檪琛版笡鍥犳暩(sh霉)寰堝皬锛屽柈绱斿緸琛版笡鍥犳暩(sh霉)鑰冩叜锛�1550nm娉㈤暦鐨勫厜鍦ㄧ浉鍚岀殑鍏夊姛鐜囦笅鍌宠几?sh霉)鏈ㄥ毌x澶т簬1310nm娉㈤暦鐨勫厜涓嬬殑鍌宠几?sh霉)鏈ㄥ毌x锛屼絾鏄闅涙儏娉佸苟闈炲姝�锛屽柈妯″厜绾栧付瀵珺鑸囪壊鏁ｅ洜鏁�(sh霉)D鐨勯棞(gu膩n)绯荤偤锛欱=132.5/锛圖l*D*L锛塆Hz
鍏朵腑L鐐哄厜绾栫殑闀峰害锛孌l鐐鸿瓬绶氬搴�锛屽皪浜�1550nm娉㈤暦鐨勫厜锛屽叾鑹叉暎鍥犳暩(sh霉)濡傝〃3鐐�20ps/(nm.km)锛屽亣瑷�(sh猫)鍏跺厜璀滃搴︾瓑浜�1nm锛屽偝杓歌窛闆㈢偤L=50鍏噷锛屽墖鏈夛細B=132.5/锛圖*L锛塆Hz=132.5MHz
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