鍦ㄦ縺鍏変腑,瓒呯煭鑴堟矕鍏夌殑鐢�(ch菐n)鐢熶箣鎵�浠ラ噸瑕佹槸鍥犵偤鍙�浠ラ�氶亷鎺у埗婵�鍏夌殑鐩稿共鍏夋尝鐢�(ch菐n)鐢熻剤娌栧厜, 鍏舵檪闁撳��搴﹁秴鍑洪浕瀛愬�告墍鎺у埗鐨勮寖鐤囥�傚緸寤ｇ京涓婅瑳, 瓒呯煭鑴堟矕鍏夋槸鎸囧皬浜�1 ns 鐨勮剤娌栧厜銆�20 涓栫磤60 骞翠唬涓�鏈�, 绉戝�稿�跺�戝皪鐢遍杻鍏夌噲閫茶�岃剤娌栨尟钑╃殑绱呭�剁煶婵�鍏夊櫒鍜屾懟Nd 婵�鍏夊櫒鐢�(ch菐n)鐢熺殑閹栨ā瓒呯煭鑴堟矕鍏夊睍闁嬩簡瀵﹂�楁�х爺绌�銆傚緸姝�, 鐭�鑴堟矕鍏夌殑鐢�(ch菐n)鐢熸妧琛�(sh霉)寰為帠妯′簽鐨�绉掕剤娌栨�ュ叆鍒伴�涚�掕剤娌�銆傝繎骞翠締, 瓒呯煭鑴堟矕鍏夋妧琛�(sh霉)寰楀埌浜嗘櫘鍙�, 鑷�20 涓栫磤90 骞翠唬浠ヤ締, 鍚勭ó鍙�瑾�(di脿o)璜ц秴鐭�鑴堟矕閹栨ā鍥洪珨婵�鍏夊櫒閬斿埌浜嗗�︾敤鍖�銆傚彲瑾�(di脿o)璜ф縺鍏夊櫒鏄�涓�绋�婵�鍏変笅鑳界礆铏曚簬鎸�鍕曟縺鐧�(f膩)鐙�鎱�(t脿i), 浣挎尟钑╅牷甯跺姞瀵�鐨勫厜瀛愰檺瀹氭縺鍏夊櫒(Photon terminatedlaser)銆傚吀鍨嬬殑閳﹀�剁煶婵�鍏夊櫒鐨勫伐浣滅┅(w臎n)瀹�, 瀵︾従(xi脿n)浜嗗钩鍧囪几鍑哄姛鐜囩偤1 W鐨勮秴鐭�( 鏈�鐭�绱勭��5 fs) 鑴堟矕鍏�銆傝嫢閲囩敤鎽籝(ji茅)b 闆㈠瓙鐨勬縺鍏夋櫠楂�, 鍓囧彲鐛插緱鏇撮珮骞冲潎杓稿嚭鍔熺巼鐨勪簽鐨�绉掕剤娌栬几鍑�銆傚崐灏庨珨婵�鍏夊櫒鍏锋湁寮涜鲍蹇�, 鍙�灏嶆车娴�( 闆绘祦)閫茶�岄珮閫熻��(di脿o)鍒剁殑鐗归粸, 鍥犳�ゅ嵆浣夸笉鐢ㄩ帠妯�, 鍒╃敤澧炵泭閬庢浮鐝�(xi脿n)璞′篃鍙�鐢�(ch菐n)鐢熺毊绉�?y煤n)^(q奴)( 10- 10~10- 12 s) 鐨勮秴鐭�鑴堟矕鍏�銆�

    鏈�杩戦枊鐧�(f膩)鎴愬姛鐨勫皬鍨嬬毊绉掑拰椋涚�掕剤娌栨縺鍏夊櫒浣胯秴鐭�鑴堟矕鍏夋簮鏈変簡闀疯冻鐧�(f膩)灞�銆傚緸鍏夌殑鍒╃敤瑙掑害鑰冩叜灏嶈秴鐭�鑴堟矕鍏夋簮鐨勮�佹眰,鏄�鏈夋晥鍒╃敤鏅傚��( 瓒呴珮閫熸��) 鐨勭壒榛為倓鏄�鍒╃敤鐭�鏅傞枔闆嗕腑鍏夎兘閲忕殑楂樺嘲鍊煎挤搴︽槸鍏╁ぇ鐮旂┒鏂瑰悜銆傚湪瀵﹂殯鎳夌敤涓�, 閫欏叐鍊嬫柟鍚戝瘑鍒囩浉闂�(gu膩n)銆傚緸涓婅堪瑙�榛炲嚭鐧�(f膩),闄愬害鍦拌拷姹傚厜婧愭�ц兘, 瀵︾従(xi脿n)鏇寸煭鑴堟矕鍏夌殑鐢�(ch菐n)鐢熷拰鏇撮珮宄板�煎挤搴︽槸淇冮�查�欎竴鎶�琛�(sh霉)鐧�(f膩)灞曠殑鍘熷嫊鍔�銆傚彟澶�, 灏嶆柊鍏夋簮鐨勬�ц兘閫茶�屾敼閫�, 灏嶇櫦(f膩)鐝�(xi脿n)鐨勬柊鍔熻兘鎴栨柊鐝�(xi脿n)璞￠�茶�屾櫘鍙婂苟浣垮叾閬斿埌瀵﹂殯鎳夌��; 鎻愰珮鍏夋簮鐨勫彲闈犳�с�佺┅(w臎n)瀹氭�у拰澹藉懡鍙婇檷浣庢垚鏈�涔熸槸鎶�琛�(sh霉)闁嬬櫦(f膩)鐨勯棞(gu膩n)閸�銆傞櫎鎻愰珮鑴堝��鍜岃剤娌栬兘閲忓��, 鎻愰珮鍏夋潫璩�(zh矛)閲忎篃鏄�妤电偤閲嶈�佺殑鐮旂┒瑾查�屻�傞�欏皪瑭叉妧琛�(sh霉)闋�(l菒ng)鍩熺殑鐧�(f膩)灞曞奖闊挎サ澶�, 濡傚緸鏅傞枔鍜岀┖闁撲笂闄愬害鍦版彁楂樼浉骞叉�у氨灞�浜庨�欑ó鎯呮硜銆�

    浜哄�戝湪鐮旂┒瓒呯煭鑴堟矕婵�鍏夋妧琛�(sh霉)鐨勭櫦(f膩)灞曢亷绋嬩腑绌嶇疮浜嗚ū澶氱稉(j墨ng)椹�, 濡傛湁鏁堝湴鐢�(ch菐n)鐢熼珮寮峰害鑴堟矕骞跺湪鐢�(ch菐n)鐢熻剤娌栭殠娈电洝閲忕嵅寰楅珮鑳介噺鑴堟矕; 灏嶇洿鎺ョ敘(ch菐n)鐢熺殑楂樺挤搴﹁秴鐭�鑴堟矕绛夐�茶�屼簡鍚勭ó鍢楄��, 骞剁嵅寰椾簡鐮旂┒鎴愭灉,鐐鸿┎闋�(l菒ng)鍩熺殑鐧�(f膩)灞曞仛鍑轰簡璨㈢嵒銆傜劧鑰屽湪鐢�(ch菐n)鐢熷拰鍒╃敤楂樺挤搴﹁剤娌栭亷绋嬩腑, 鍗诲嚭鐝�(xi脿n)浜嗗厜鑴堟矕鐨勭浉骞叉�ф垨娉㈠舰銆佹尝闀风瓑鐨勯噸寰╂�у拰鍙�闈犳�т笉鐞嗘兂绛夊晱椤�銆傚洜姝�, 鎵�閬告搰鐨勯帠妯℃縺鍏夋尟钑╁櫒鐨勯珮閲嶅京鑴堟矕杓稿嚭, 骞堕�茶�岄珮鍊嶇巼鏀惧ぇ鐨勬柟寮忓凡鎴愮偤涓绘祦銆傞洊鐒舵瘡鍊嬭剤娌栫殑鑳介噺灏�, 浣嗚剤娌栫櫦(f膩)鐢熸簮鍒╃敤閫ｇ簩(x霉)鎸�钑╅帠妯℃縺鍏夊櫒寰堝�规槗鐛插緱鐩稿共鎬уソ鐨勮剤娌�銆�

    琛�1 绲﹀嚭浜嗚繎骞翠締甯哥敤鐨勮秴鐭�鑴堟矕婵�鍏夊櫒鐨勭壒榛炲拰涓昏�佹噳鐢ㄩ��(l菒ng)鍩�, 瓒呯煭鑴堟矕婵�鍏夊櫒鍦ㄩ啱(y墨)鐧傚拰鍏夎�橀寗绛夋柟闈㈠叿鏈夊唬闂婄殑鎳夌敤鍓嶆��, 鐩�鍓嶅緢澶氭噳鐢ㄥ潎铏曚簬瀵︾敤鍖栫殑瑭﹂�楅殠娈�, 鍏朵腑鍖呮嫭鍦ㄧ墿鐞嗙�戝�哥爺绌朵腑鐨勬噳鐢�銆�

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    閹栨ā鍥洪珨婵�鍏夊櫒鐨勭壒榛�

    鐢ㄥ浐楂旀縺鍏変粙璩�(zh矛)鐢�(ch菐n)鐢熻秴鐭�鑴堟矕骞句箮鍧囬噰鐢ㄩ帠妯℃柟寮�銆傝垏鍏朵粬浠嬭唱(zh矛)鐩告瘮, 鍥洪珨婵�鍏夊叿鏈夊�備笅鐗归��:( 1) 鍙�鐛插��5 fs ( 鐣朵娇鐢═i3+鈭跺�剁煶婵�鍏夊櫒鏅�) 鐨勬サ鐭�鑴堟��, 閫欐槸寰炴墍鏈夐�炲瀷婵�鍏夋尟钑╁櫒涓�鐩存帴鐛插緱鐨勬渶鐭�鑴堝��; ( 2) 鍙�鐛插緱楂樺钩鍧囧姛鐜囧拰楂樿兘閲忓瘑搴�銆傜壒榛�( 1) 鍙嶆槧鍑�10 骞撮枔Ti3+鈭跺�剁煶瀵�甯跺彲瑾�(di脿o)璜ф縺鍏夊櫒骞句箮鏇夸唬浜嗘墍鏈夐帠妯℃煋鏂欐縺鍏夊櫒銆備富瑕佸師鍥犳槸鍥洪珨婵�鍏変粙璩�(zh矛)姣旀湁姗熸煋鏂欐縺鍏変粙璩�(zh矛)( 鍦═i3+鈭跺�剁煶婵�鍏夊櫒涔嬪墠, 鐢ㄤ綔鏁�(sh霉)鐨�绉掑��30 fs 娉㈡�靛厜鑴堟矕鍏夋��) 鐨勮�愪箙鎬уソ, 鎿嶄綔鏂逛究銆傜壒榛�(2)鎵�閲囩敤鐨勫厜婧愭槸鎸囧叿鏈夎純闀锋�峰彶鐨勭噲娉垫郸Nd3+鈭禮AG 绛夐帠妯℃縺鍏夊櫒銆傝繎骞翠締,闅ㄨ憲鍗婂皫楂旀縺鍏夋车娴︽妧琛�(sh霉)鐨勭櫦(f膩)灞曞拰灏忓瀷楂樺姛鐜囨懟Y(ji茅)b3+鈭舵縺鍏夊櫒鐨勫晱涓�, 鑴堝��鍜屽姛鐜囧叐鏂归潰鐨勬�ц兘鍧囧緱鍒颁簡閫蹭竴姝ユ彁楂�, 鍏舵噳鐢ㄨ寖鍦嶄害鏈夋墍鎷撳睍銆傝垏鍥洪珨婵�鍏夊櫒涓�妯�, 鍏夌簴婵�鍏夊櫒鍜屽崐灏庨珨婵�鍏夊櫒鐨勯帠妯℃妧琛�(sh霉)涔熷緱鍒颁簡鐧�(f膩)灞�, 鐨�绉�銆佷簽鐨�绉掓檪鍩熻剤娌栧厜婧愪篃灏囬�欎簺灏忓瀷婵�鍏夊櫒瑁濆叆閫氫俊绯荤当(t菕ng)鎴栨脯閲忚ō鍌欎腑, 骞舵�ｅ緱鍒版帹寤ｆ噳鐢�銆傚皪澶у瀷閹栨ā鍥洪珨婵�鍏夊櫒鑰岃█, 瀵︾従(xi脿n)鍏朵粬婵�鍏夊櫒闆ｄ互閬斿埌鐨勭煭鑴堟矕鎴栭珮骞冲潎鍔熺巼浠ュ強鏈夋晥鍒╃敤( 闇�瑕佸�栭儴鏀惧��) 鑳介噺瀛樺劜鍔熻兘鐨勯珮宄板�煎姛鐜囩殑鐭�鑴堟矕宸叉垚鐐烘妧琛�(sh霉)闁嬬櫦(f膩)鐨勯噸榛�銆�

    閹栨ā鏂瑰紡

    骞句箮鎵�鏈夊浐楂旀縺鍏夋尟钑╁櫒鍧囬噰鐢ㄧ噲鎴栧叾浠栧厜娉垫郸?锛熸崕鐬刉鍏夌噲娉垫郸鑴堟矕, 骞朵互鐩哥暥浜庝笂鑳界礆澹藉懡鐨勬檪闁撴垨鐢≦ 闁嬮棞(gu膩n)閫茶�屾洿鐭�鏅傞枔鐨勯亷娓℃�ф尟钑�, 閭勫彲鐢ㄥ姬鍏夌噲閫ｇ簩(x霉)娉垫郸瀵︾従(xi脿n)绌�(w臎n)瀹氱殑閫ｇ簩(x霉)鎸�钑�銆傞洊鐒舵墍閲囩敤鐨勯帠妯℃柟寮忎娇姣忓�嬭剤娌栫殑鑳介噺璁婂ぇ, 浣嗚繎骞翠締澶氶噰鐢ㄨ剤娌栫殑鐩稿共鎬с�侀噸寰╂�у拰绌�(w臎n)瀹氭�уソ鐨勯�ｇ簩(x霉)鎸�钑╅帠妯℃縺鍏夊櫒銆傚湪闇�瑕侀珮鑳介噺鑴堟矕鏅�, 灏嶆尟钑╁櫒鐨勮几鍑哄姛鐜囬噰鍙栧�栭儴鏀惧ぇ鎺�鏂�銆傞洊鐒剁噲娉垫郸鎴愭湰杓冧綆,浣嗗瓨鍦ㄨ憲澹藉懡銆佽�佸寲鍜屾斁闆绘墍甯朵締鐨勫櫔鑱茬瓑鍟忛��,鍥犳�ゅ埄鐢ㄩ珮鍔熺巼鍗婂皫楂旀縺鍏夋车娴�( 闄ら噰鐢ㄧ洿鎺ユ车娴﹀��, 閭勬湁鐢ㄥ崐灏庨珨婵�鍏夋车娴︾殑鍥洪珨婵�鍏夊櫒浣滄车娴︽簮鐨勯枔鎺ユ柟寮�) 鐝�(xi脿n)宸叉垚鐐轰富娴佹柟寮忋��

    鐣惰剤瀵�杓冮��( 300~30 ps) 鏅�, 寰�寰�閲囩敤鏈夋簮閹栨ā鏂瑰紡骞朵互澶栭儴淇¤櫉瑾�(di脿o)鍒惰�ф尟鑵斿��(n猫i)鐨勬悕鑰�銆傚湪鍏稿瀷鐨勫浐楂旀縺鍏夎�ф尟鑵斾��, 鑸囪�ф尟鑵斿��(n猫i)鐨勫厜鑴堟矕寰�杩旀檪闁�( round- trip time) 鐩哥暥?sh霉)濡�鏁甸洅}娌栫殑閲嶅京闋荤巼鐐�100 MHz, 骞朵笉闇�瑕佹瘡涓�娆＄殑瑾�(di脿o)鍒躲�傞�氬父閲囩敤鍠囨浖鈥旇悩鏂�琛嶅��( Raman鈥擭ath diffraction) 鑱插厜瑾�(di脿o)鍒跺櫒, 鐩镐綅瑾�(di脿o)鍒跺櫒涔熷彲鏄�閹栨ā鏂瑰��, 浠ョ敤浜庢彁楂橀噸寰╅牷鐜�銆�

    鍦ㄩ渶瑕佹洿鐭�鑴堝��鏅�, 鍙�鐢ㄧ劇婧愰��?锛涜洿鎬у瓨i妯�,骞跺父鐢ㄨ剤娌栨车娴︾殑鍥洪珨婵�鍏夊櫒瑾�(di脿o)鍒跺埄鐢ㄥ彲椋藉拰鍚告敹( 闄嶄綆寮峰厜鍚告敹鐜囩殑鎬ц唱(zh矛)) 鏌撴枡鐨勭劇婧愭悕鑰�銆傚彟澶�,鍒濇湡鐨勯�ｇ簩(x霉)鎸�钑╅帠妯″浐楂旀縺鍏夊櫒鍦ㄥ彲椋藉拰鍚告敹鏅備笉鑳借嚜鎺�Q 闁嬮棞(gu膩n), 鍥犳�ら洠浠ョ嵅寰楃��(w臎n)瀹氱殑閹栨ā鑴堟矕搴忓垪銆傝繎骞翠締, 闅ㄨ憲鐭�鑴堟矕鎶�琛�(sh霉)鍜�( 鍒╃敤闈炶�ф尟闈炵窔鎬ф姌灏勭巼鍙�椋藉拰鍚告敹鐛插緱鐨�) 绛夋晥鏁堟噳鎶�琛�(sh霉)鐨勭櫦(f膩)灞�,鐒℃簮閹栨ā鏂瑰紡宸插緱鍒板�﹂殯鎳夌��?锛熷�犳煛鑷�顝曡┕鐗ч矞涓旂幆N鍏锋湁蹇�閫熷惛鏀舵仮寰╂檪闁撶殑鍗婂皫楂旇杽鑶�, 鍙�鍠�鐛ㄤ娇鐢ㄤ篃鍙�鑸囧叾浠栨柟寮忓苟鐢�銆備笅闈�涓昏�佷粙绱归帠妯″浐楂旀縺鍏夊櫒銆傚浐楂旀縺鍏変粙璩�(zh矛)浣跨敤寤ｆ硾, 澶ч珨鍙�鍒嗙��: ( 1) 瑕佹眰鐭�鑴堝��鐨勬縺鍏夊櫒;( 2) 閲嶈�栨晥鐜囧拰鍔熺巼鐨勬縺鍏夊櫒銆�

    浠ョ敘(ch菐n)鐢熺煭鑴堟矕鐐虹壒榛炵殑鍚勭ó婵�鍏夊櫒

    Ti3+鈭跺�剁煶婵�鍏夊櫒

    闄愬埗婵�鍏夎剤瀵�鐨勪富瑕佸洜绱犳湁鍏╅��: 婵�鍏変粙璩�(zh矛)鐨勫�炵泭闋诲付鍜岃�ф尟鑵斿収(n猫i)鐨勭兢閫熻壊鏁�銆傝繎骞翠締, 鏂伴枊鐧�(f膩)鐨勪竴绋�鎶�琛�(sh霉)鑳借�滃劅璜ф尟鑵斿��(n猫i)鍥洪珨婵�鍏夋櫠楂旂殑鐗╄唱(zh矛)鑹叉暎, 鎵�鑳介仈鍒扮殑鏈�鐭�鑴堝��鍙栨焙浜庡�炵泭闋诲付銆俆i3+鈭禔l2O3 ( 閳﹀�剁��) 婵�鍏夊櫒鐨勫�炵泭闋诲付鏈�瀵�鍙�鍦�660~1100 nm 娉㈡�垫尟钑�, 閳﹀�剁煶鏄�涓�绋�鏈夋湜鐢�(ch菐n)鐢熸渶鐭�鑴堟矕鐨勪粙璩�(zh矛)銆傞�欑ó浠嬭唱(zh矛)骞句箮鑳藉湪澧炵泭闋诲付鐨勫叏鍩熼�茶�岄帠妯℃尟钑�, 鐢辨尟钑╁櫒鐩存帴鐢�(ch菐n)鐢熺磩5 fs 鐨勮剤瀵�銆俆i3+鈭跺�剁煶婵�鍏夊櫒閲囩敤浜嗛帠妯″浐楂旀縺鍏夊櫒鐨勪富瑕佹妧琛�(sh霉)銆傞�欐槸涓�绋�閲濆皪閹栨ā鏂瑰紡閫茶�屾渶瑭崇窗鐨勫�﹂�楁�х爺绌剁殑婵�鍏夊櫒,瑕佽ō瑷堟车娴﹀厜鍜屾尟钑╁厜鐨勭┖闁撴ā寮�, 蹇呴爤浣挎櫠楂斿収(n猫i)鐨勬渶灏忔潫寰戝皬浜�100 !m銆傚湪骞句箮鎵�鏈夊牬鍚�, 鍧囧埄鐢ㄦ縺鍏夋櫠楂斾腑闈炵窔鎬ф姌灏勬晥鎳夌殑閹栨ā鏂瑰紡鐢�(ch菐n)鐢熻剤娌�, 鍥犳�ゅ湪瑷�瑷堟檪蹇呴爤鑰冩叜妲�(g貌u)鎴愯�ф尟鑵旂殑澶氬�嬪钩闈㈤彙鍜屽嚬闈㈤彙鐨勭┖闁撴ā寮�銆�

    鏈�甯哥敤鐨勫厠鐖鹃彙閹栨ā鏄�鍩轰簬婵�鍏夋櫠楂旀潗鏂�, 骞跺埄鐢ㄩ潪璜ф尟姊濅欢涓嬬殑闈炵窔鎬ф姌灏勭巼, 鍥犳�ら熆鎳夐�熷害妤靛揩, 鏄�鐞嗘兂鐨勨�滃揩閫熷惛鏀舵潗鏂欌�濄�傜劧鑰屽湪寰堝�氭儏娉佷��, 閫ｇ簩(x霉)鎸�钑�( CW) 鐙�鎱�(t脿i)鍜岄帠妯�(ML) 鐙�鎱�(t脿i)鍚屾檪瀛樺湪, 鎸�钑╅枊濮嬫檪鐐篊W 鐙�鎱�(t脿i), 鑰孧L 鐙�鎱�(t脿i)涓嶈兘鑷�鍟熷��, 鍥犳�ょ偤浜嗙⒑淇滿L 鐙�鎱�(t脿i), 涓�鑸�閲囩敤杓斿姪鎵嬫��銆�

    SESAM琚�瑾嶇偤鏄�鐩�鍓嶆渶鏈夋晥鐨勬柟娉曚箣涓�銆傞�氶亷閹栨ā鐛插緱鐨勮剤瀵�鍙栨焙浜庤�ф尟鑵斾腑鐨勭兢鏅傚欢鑹叉暎銆傚湪鍥洪珨婵�鍏夊櫒涓�, 澧炵泭浠嬭唱(zh矛)鏅堕珨鐨勭墿璩�(zh矛)鑹叉暎姣旀煋鏂欐縺鍏夊櫒鐨勫皠娴佽杽鏉�( 鍘氱磩0.2 mm) 澶т竴鍊嬫暩(sh霉)閲忕礆, 鍥犳�ゅ繀闋堝埄鐢ㄨ壊鏁ｈ�滃劅鎶�琛�(sh霉)銆傚叿楂斿仛娉曟槸閲囩敤鎼嶈�楀皬鐨勫竷鍎掓柉鐗规１閺″皪鎴栬壊鏁ｈ�滃劅閺″皪鎸�钑╁櫒鍏�(n猫i)鐨勮壊鏁ｉ�茶�岃�滃劅銆傛１閺″皪鏄�鍒╃敤鎶樺皠瑙掔殑娉㈤暦渚濊炒闂�(gu膩n)绯昏�滃劅缇ゆ檪寤惰壊鏁�; 鑹叉暎瑁滃劅閺℃槸閫氶亷鍙嶅皠閺″弽灏勬檪瑁滃劅缇ゆ檪寤惰壊鏁�銆傞�欑ó闆讳粙璩�(zh矛)澶氬堡鑶滈彙鏄�灏堢偤瓒呯煭鑴堟矕婵�鍏夊櫒瑷�瑷堢殑銆傛渶鐭�鐨勮剤娌栬�橀寗鐐�5 fs,鍙�閫氶亷濡備笅鏂规硶鐛插緱, 鍗冲皪鏅堕珨銆佹１閺″皪鍜屽弽灏勯彙鐨勮壊鏁ｇ壒鎬ч�茶�屽��(y艒u)鍖栬ō瑷�, 浠ユ笡灏戣�ф尟鑵斿��(n猫i)鐨勮壊鏁�,鐩￠噺娑堥櫎鑴堟矕璁婂舰鐨勫洜绱犮�傝垏鍏剁敤鎸�钑╂尝闀�( 800 nm)鍜屾车娴﹀厜娉㈤暦( 515 nm)鍚告敹绯绘暩(sh霉)涔嬫瘮椤�绀烘櫠楂旂殑璩�(zh矛)閲�, 涓嶅�傜敤闈堟晱鍊�( FOM鍊�) 椤�绀�銆傞帠妯℃尟钑╁櫒鎵�鐢ㄦ櫠楂旂殑FOM鍊奸爤閬斿埌150 宸﹀彸銆傞珮瀵嗗害鏅堕珨鏈冮檷浣嶧OM鍊�, 鍥犺�屾棭鏈熷彧閲囩敤灏嶆车娴﹀厜鍚告敹绯绘暩(sh霉)! 绱勭偤1 cm鐨勬櫠楂�(闀峰害鐐�10~20mm)銆傝繎骞翠締, 鏅堕珨鐨勫惛鏀剁郴鏁�(sh霉)!=6 cm閬斿埌浜嗗緢濂界殑璩�(zh矛)閲�, 闀峰害鏈夊彲鑳界府鐭�鑷�2~3 mm銆傝杽鏅堕珨瀹规槗瑁滃劅璜ф尟鑵斿収(n猫i)鐨勮壊鏁�, 骞舵湁鍒╀簬鐢�(ch菐n)鐢熺煭鑴堟矕, 浣嗗湪楂樺瘑搴︽櫠楂斾腑寰堥洠娑堥櫎娉垫郸鐢�(ch菐n)鐢熺殑鐔�,瀹规槗鐢�(ch菐n)鐢熺啽鎳夎畩, 鍥犳�ゅ繀闋堝紩璧锋敞鎰�銆�3.3.2. Cr3+鈭禠iSAF, Cr3+鈭禠iCAF 绛夊浐楂旀縺鍏夊櫒杩戝勾渚�, 閲囩敤楂樺姛鐜囧崐灏庨珨婵�鍏夋车娴︾殑鍥洪珨婵�鍏夊櫒鐨勫皬鍨嬪寲鍜岄珮鍔熺巼鍖栧緱鍒扮櫦(f膩)灞曘�傚皪婵�鍏変笅鑳界礆浼存湁鑱插瓙杓诲皠鐨勬墍璎傚彲瑾�(di脿o)璜у浐楂旀縺鍏夊櫒鑰岃█, 閲囩敤鍗婂皫楂旀縺鍏夌洿鎺ユ车娴︽湁鍒╀簬瀵︾従(xi脿n)灏忓瀷鍖�銆俆i3+鈭跺�剁煶婵�鍏夊櫒鎵�闇�娉垫郸鍏夊瘑搴︾浉鐣堕珮, 鍥犳�や笉鑳界敤缍犲厜鍗婂皫楂旀縺鍏夌洿鎺ユ车娴�, 瑕佹尟钑╂懟Nd3+鈭舵縺鍏夊櫒浣垮叾杞�(zhu菐n)鎻涙垚2 鍊嶆尝娉垫郸婧�銆傝垏姝ょ浉鍙�, Cr3 +鈭禠iSrAlF6 (Cr 鈭禠iSAF) 婵�鍏夊櫒鐨勫彲鎸�钑╂尝闀疯寖鍦嶇��780~1000 nm( 鐣惰剤娌栨车娴︽檪, 閫ｇ簩(x霉)鎸�钑╄寖鍦嶇暐绐勪竴浜�) , 姣擳i3+鈭跺�剁煶婵�鍏夊櫒绐�, 浣嗘尟钑╂墍闇�鐨勬车娴﹀姛鐜囧瘑搴﹀嵒姣擳i3+鈭跺�剁煶婵�鍏夊櫒浣庡緱澶�, 鍙�鐢ㄦ尝闀风磩鐐�680 nm 鐨勫崐灏庨珨婵�鍏夋车娴﹀�︾��(xi脿n)閫ｇ簩(x霉)鎸�钑╁拰閹栨��銆侰r3+鈭禠iCaAlF6(Cr鈭禠iCAF) 鍜孋r3+鈭禠iSrGaF6 (Cr鈭禠iSGAF) 绛夋櫠楂斿潎鑳界嵅寰楃浉鍚岄帠妯＄殑婵�鍏夋尟钑�, 浣嗙壒鎬у悇鐣�銆�

    瑷卞�氱爺绌跺牨鍛婂牨閬撲簡鍒╃敤瑭蹭粙璩�(zh矛)鐨勫劒(y艒u)榛�, 鐢ㄥ崐灏庨珨婵�鍏夌洿鎺ユ车娴︾殑灏忓瀷浣庡児鏍肩殑椋涚�掓縺鍏夋尟钑╁櫒鐨勮剤瀵�宸查仈鍒板皬浜�10 fs 鐨勬渶鐭�瑷橀寗銆�

    闀锋尝闀锋縺鍏夊櫒

    灏嶉噰鐢═i3+鈭跺�剁煶鎴朇r3+鈭禠iSAF 绛夊苟鍦ㄩ�涚��?y煤n)^(q奴)闀锋尝闀锋尟钑╃殑閹栨ā鍥洪珨婵�鍏夊櫒鑰岃█, 鐣剁壒鍒ラ渶瑕佺煭鑴堟矕鏅�, 閲囩敤Cr4+闆㈠瓙韬嶉伔鐨凜r4+鈭堕巶姗勬瑬鐭�(Mg2SiO4) 婵�鍏夊櫒( 鎸�钑╂尝闀�1170 ~1370 nm) 鎴朇r4 +鈭禮AG(Y3Al5O12) 婵�鍏夊櫒( 鎸�钑╂尝闀�1340~1560 nm)銆侰r4+鈭禡g2SiO4 閹栨ā婵�鍏夊櫒閲囩敤浜嗚垏涓婅堪鍚勯�炴縺鍏夊櫒鐩稿悓鐨勬妧琛�(sh霉)銆傚�炵泭闅ㄦ櫠楂旂殑鍐峰嵒鑰屽�為��, 鍥犳�ゅ笇鏈涘湪瀹硅ū绲�(ji茅)闇茬殑鑼冨湇鍏�(n猫i)鍐峰嵒, 鍦�- 15鈩儈5鈩冩韩搴︽�濅欢涓嬩娇鐢�銆傛櫠楂旀韩搴︾偤5鈩冩檪, 浠�6 W 娉垫郸椋涚��?y煤n)^(q奴)閹栨ā鑴堟矕鐨勮几鍑哄姛鐜囩磩鐐�100 mW銆傝几鍑洪彙鐨勯�忓皠鐜囩磩鐐�2%, 蹇呴爤鐩￠噺闄嶄綆璜ф尟鑵斿収(n猫i)鐨勬悕鑰�銆傛櫠楂旂殑鐔卞偝灏庝篃浣庝簬閳﹀�剁��, 鍥犳�ゆ懟闆滄績搴︿笉鑳藉お楂�, 涓�鑸�閬╁疁鐨勫惛鏀剁郴鏁�(sh霉)鐐�0.34 cm- 1銆備絾鐣剁敘(ch菐n)鐢熺煭鑴堟矕鏅�,甯搁噰鐢ㄩ珮瀵嗗害鏅堕珨, 濡�2.4 cm- 1 鐨勫惛鏀剁郴鏁�(sh霉)浣挎櫠楂旂府鐭�鑷�5 mm銆傜偤闄嶄綆鎸�钑╂尝闀风殑娈樹綑鍚告��, 灏嶇敓闀风殑鏅堕珨閫茶�岀啽铏曠��銆傜洰鍓�, 楂樺瘑搴︽櫠楂斿緢闆ｉ仈鍒伴珮FOM鍊煎拰绌�(w臎n)瀹氱殑璩�(zh矛)閲�, 鍏稿瀷鐨凢OM鍊�( 1064 nm 鍜�1250 nm 鏅傜殑鍚告敹姣�) 绱勭偤30銆�

    閲囩敤鍗婂皫楂旀縺鍏夋车娴︾殑Nd鈭禮VO4 婵�鍏夊櫒浣滄车娴︽簮鍙�瀵︾��(xi脿n)娉㈤暦绱勭偤1.06 "m 鐨勬懟Nd3+鍥洪珨婵�鍏夌殑杓稿嚭銆傛湁闂�(gu膩n)鐢ㄥ崐灏庨珨婵�鍏夌洿鎺ラ�ｇ簩(x霉)鎸�钑╃殑鐮旂┒涔熻�嬫湁鍫遍亾, 鐣堕帠妯℃柟寮忛渶瑕佹洿楂樿几鍑虹殑鎯呮硜涓�, 甯屾湜鎻愰珮1.06 "m 娉㈤暦鍗婂皫楂旀縺鍏夌殑杓稿嚭鍔熺巼鍜屼寒搴�銆傜浉闂�(gu膩n)绉戝�稿�惰獚鐐�, 鐩�鍓嶇敤鍗婂皫楂斿厜绾栨縺鍏夊櫒( 鐩稿悓杓稿嚭娉㈤暦绱�1.06 "m) 浣滄车娴︽簮鏈夊埄浜庡�︾��(xi脿n)灏忓瀷鍖栥�傞�欑ó婵�鍏夊櫒鐨勮秴鐭�鑴堟矕鍏夌殑鎸�钑╂尝闀锋湁鍒╀簬灏嶇窗鑳炵殑婊查��, 鍥犳�ゆ湁鏈涘湪鐢熺墿閱�(y墨)瀛告柟闈㈠緱鍒版噳鐢�銆侰r4+鈭禮AG 閹栨ā婵�鍏夊櫒浠嶇敱鑹插績婵�鍏夊櫒鐛插緱鎸�钑╂尝闀枫�傞�欑ó婵�鍏夊櫒鍏锋湁宸ヤ綔绌�(w臎n)瀹�銆佸＝鍛介暦,涓嶇敤娑叉爱鍐峰嵒鍗冲彲鍦ㄥ�ゆ韩涓嬪伐浣滅殑鍎�(y艒u)榛�, 鍥犳�ゅ�嶅彈鐢ㄦ埗闈掔潪?锛孎(xi脿n)鐛插緱鐨勬渶鐭�鑴堟矕鐐�20 fs銆�