【word】 固体激光器中热效应对晶体介质寄生振荡的影响

【word】 固体激光器中热效应对晶体介质寄生振荡的影响 固体激光器中热效应对晶体介质寄生振荡 的影响 36???N???L???e?Y???v???D2007??6?8 ???????v???u???|???????????X???n?g???????? ?D?A???N?????? (?u?????????L???v???????K???4???M?N?L??201800) ?????l???X8?????v??????(LD)?x?r??Nd?lYAG?????????????????N?(?????????U??F3?? ???????????0???????eF6?4???d?N?????????D?@?j?????@?j?????N???X?????M?L?N?????????????| ???????????n?g????????F6???????????Y?N?X?????????????????D?N?y???????|???h???????????? ?????????0?????e?????X?????D???L???z?????????n?g??F6?d???g?????????v?g?????l???@?j???? ?g?X?@?j?????????????0???s?l???????N?*?????F2?d?????D?@?j????F6 ???S???l???|???f???n?g???f?????????f???????v?? ?u???(?????lTN256???S?1???3?lA?????e???l1007?Y2276(2007)??(???v)-0042?Y04 Thermaleffectonparasiticoscillationinsolid??stateslablaser CHENGs?ao-jin?NXUJiaIlp4qiu (ShanglIaiInsti?Eofop??s?0dFinemcch??ics?NchineioAcademyofSciences?NshanglIai201800?No?Ma) Abstract?lBypumpingNd?lYAGslabwith81aserdiodearrays?Nthedistributionoftemperature?N ttlemalstressandthennallyinducedrelatiVeindexindoublep4sidepumpedslablasersare aIlalyzedwhile mepumppoweris1?Y5kW?YFunhemore?N?0plificationcoefficientinhi??power?0plifierisrese??chedin difI?Yerentpumpcurrentandpumprepetition rate?YTheinnuenceofmemlalon parasiticoscillationisstudied?Y WhentIlelaserbeaITlpassesme?0pliflerfscr)?Nstalins??ghtfons??Npamorbouncedbackononeside surface?Nsinglep4passamplificationofiH=2isobtained?Y Keywords?lThemal?fParasiticoscillation?fDoublep4sidepumping?fSohdp4stateslabl??er O?h?? ?X???????v???????u?N???|???????n?g???g?? ?????v???j?????C?J???????pF6???|???????X?l?? ???v?????v???X?????????|?????D???N???z???v?? ????????????????????i?F6???X20?e??80?????N J?YE991eston?v???y???(???????D?????????????| ?????????????4??FG2??JF6???Y?N???l?4???????????? ?d?N????????F3???????????????????????????v?? ?????????|???????j?????4???N???????????l?=?? ???|??????????61F6?4?7???X???2???SFG7FT?u???????? ???)???d?N???????????????????????|??F6 ???n?g???????X???????v?@?j???X?????v?F?? ???????r???j???????????????N???????????????O ???????????|??FG1FTF6?????e???4???????????????? ???n?g???????????j???4??F620?e??70?????y?) ?4???????????*???v???u?????n?g???????4??FG8F69FTF6 ???????????????v???NStanfbrd?j????AnlnK-uInar Sridh??l?v?????????????????????v???????n?g ???????????4??FG101F6?X?????N?u?????????L???v?? ?z?[???nl2007??03p430 ?????????l???????z?????????}??????(60678016) ???7?????l?D?A??(1978??)?N?k?N?????8?????N?????4???n?N?P?????????????v???????4??F6En??il?lxjcheng@sios?Lio?Yio 43 ?????K???4???M???4?????????u?????D?4???????K ?T???v?????????????*?????v?@?j???????????0?? ?????4???N???????????4???G??[11F6121F6?’???????? ?)???S???????????u???|???????n?g?????????X?? ???????????4??F6 ???u?(?(???Y?????????????8?N?X?(???????? ???U??F3???????????????0???v???|?????d?N???? ?????D?@?j?????@?j?????????M?L?N???????????? ?|???????????n?g????????F6?4?????????Y?N?X?? ???????????????D?N?y???????|???h???????????? ?????????0?????e?????X?????D???L???z???????? ?n?g??F6 1???????????? ????1?M?K?N???J?????????(?G?C?J?s???N?g ?????s?????@?j???s??F6?C?J?s?????X??LD???? ??F3???????????????*???NF6???????j?A?K50?Nm?? 10mm??5I???N???J???????)8??LD?????????? ??????F6LD???????????v?????A???E?8???????? ?j??(50mm??10??)?N???A?????E???K150mmF6 ?C?J?j???N?????g???????N?????Y?V????F6M1?g ??1064nm?v?????????NM2?g???(?A??????????F6 ?g?????????v???????????N??????M3F3M4???A?? LENS3F3LENS4?????@?j??F6?A??LENS3F3LENS4 ?X???????g?????????v?????A???|??F6?X?@?j???u?N ?????????v???l???????N???????X?j?????0???s?l ??????F6 ??l?????????????K?A?? Fig?Y1Cons?Wuctionofexperim?}tal??iuty 2???|???(?? ??2?M?K???g???P?????????X1?Y5kW???N?X Gaussp4seidel???O???????????????????????U???? ?????(?2FG7FTF6????2(a)?????D???N?????u?????U ???????N?C?J?????j?????U???????N???P???????? ?K1?Y5kw???N???j?U???K40KF6??2(b)?M?K?? ?g???????????????(?2?N?????D???N?????u???0?? ???U???3?N?????0?????????3?N???j???????X???? ?????N?K1?Y1??10 7 Pa?N?j????????Nd?lYAG?????M ????????????????????pF(1?Y7??108Pa)??1?A15?N ?M??????????????1?Y5kW??????????F6 ??2???????U???(?2(a)?N?????(?2(b) F_ig?Y2DistributionofteInperatIlre(a)?Ns?Ws2ssinYdir?mtiio(b) 3???|???????n?g???????? ???n?g???????X?l?X???j?D???L???????v?@?j ?????j???N?????N???????????n?g?????????g???v ?@?j???????????2???????J????????F6???A(1)?K ???????G???n?g?????8?O?????N nqexp(?(????)??=1 (????????h???U (1) 36?? ?A?u?lf?K?X???????????n???0???s???f?K?N?K?????? ???0???f?C?K?????????????????????f???K?????? ?????????r?????f???K?v?X???????????????DF6?= ?????A(1)?????N?????????????0???K?N?e?U???v ?D?????l???????n?g?????G???8?O?N???N???z???n ?g???????nF6 ???????????J?????*???v?N?a???X???????0?e ???O?????????0???????????j???j?N?????X?K?N???j ???????N???n???n?g?????????j?j??F6?????????? ?J???K???NNd?lYAGF3?V?????4?????0???(?I?g1?Y82?N 1?Y33??l?N?????????v???????????????0???????? ???y?(?I?g470??330F6??3(a)?K???X???J???? ???X???????v???N?X3?J?????*???????????Z?N?? ?k???G???n?g?????8?O?y????F6?X???Q???????u?N ?X???J?????*???v???????D???)???F?@?j????F6?? ???(4?J??????3?J?????G?????N?????X?????D?? ?L?V???????????G?N???????n?g??F6???e?N?K???B ???X???????C?J???????????????????????G???n?g ???N?(?C?J?????????G?d??????????F6 ??????3???????J???????????X?????? Fig?Y3LD??inXZcrossp4scctio?? ??4(a)?M?K???g????LD?x?r???O?????Y?? ???x?_??????????F6???????x?_?K100A???N???O ?????K800wF6?????????????N???J???X8??LD ?x?r?N?????N?X100A???N?P?????????O?????K6?Y4kWF6 ??4(b)?M?K???g???????????K100Hz?N?????x?_ ??40A?????F100A?????@?j????F6??4(c)?M ?K???g???????x?_?K80A??100A???N?????????? 100Hz?????F1000Hz???@?j?????@?j?d??F6???? ?????????????N?@?j?????@?j?d???????)?D???N?N ?g???)????F6?N?=?????????????N?@?j?d???P???? ?????x?_?)???N?X?J???F???????N?@?j?d???????? ?????x?_?G???j??????????F6?N?????????????????N ?@?j???y?A???????????K?j?????????N?@?j?d???? ??????F6???h???T?????????????????|???????n?g ????????F6 i?800 ?P600 ?(400 H? ?N 2200 406080lOO Current?AA (a) 406080100 Current?AA (b) U2004UU600?fUUlOOO Repcatfrequencyofpumplight?AHz (c) ??4????LD???j??(a)?d?N?????x?_ (b)?????d?????D(c)???@?j???? Fig?Y4CharacterofthepumpLD(a)??d?i_pliflcaliio ciomcientindi?(rentpumpc??t(b)?0d repeatf}equency(c) ?????????????????N???|???????N?????????? ???????????????????n???A???e(????3(b)?M?K)?N ?????????X?????????V???N???z?????n?g???????nF6 ?????????N???|???h???????0?????e???????? ???G???J???0???d?*?????????N???k?v?X???????? ?????v?D?l???n???e?N??5(a)?M?K???g???????? ???????0???????e???N?????D???X???????C???N?? ?|???????X???????0?????A?N?N?X?u???????N???0 ?????jF6?*??????1064?}???v??z???T?l???????N ?a?v?D?l???M???|?????????N???n???eF6??5(b) ?M?K???y?g?X1?Y5kw?????????????????D?N?X?d?N ????????z?T???????????v?D?????eF6?N?k???? ?D???N?X?C???v?D???A?N?N?X?u???N?v?D????F6?= ?Npmjl ?kQ13?[ooQ??F6?@??u?hII????FL ?NH?2 i ????IF6????ooo ao????oFLlIA??FL 45 ?????A(1)?????N?v?D?????e?N?k???h?????n?g?? ?????e?N?v?D???????l???????n?g???????N?N?v?D ?????A?a?l???y???n?g??F6???u?????????????Y?X ?q?????u?N???|???????n?g???P???g?????z???X?N ?????@?j????????F6 g g j ?h 2 ?t ?? ?L ?? ?? ??5???????0?????e?(?2(a)???v?D???????eio Fig?Y511le??a11yinducedrelatiVeindex(a)andpalh diff??nceiIlzdi?pio 4???? ?q???X?(???????????U??F3??????F3???????0 ???v???|???????d?N?????????D?@?j?????@?j???? ?????M?L?N?????????????|???????????n?g?????? ??F6?4?????????Y?N?X?????????????????D?N?y?? ?????|???h?????????????????????0?????e?????X ?????D???L???z?????????n?g??F6?U?X??1?M?K?? ?????????N?X?????x?_?K80A?N1000Hz???N???? ?@?j?????X???l???????g?X?j?????0???s???????N ?*???F??2?d???@?j?|???N?????????K277W?N?’ ?C?7?????A???E???)???j???IF6???X???l???A???N ???A???E???K600mm?N?X?j?????0???s?Y?N?E?? ???K300I??F6?????Y?X?????j???L???0???s?Y?? ?z???)???????v?????????????N?’???g?????=???? ?v???????A???|??F6 ???2???S?l FGlFTK0????fMBRW?YSIDnd-stt?? springer?YF3??g?N1996?Y FG21Ec??IESlUNJ?N??T’s???lFGpa?GaLmslab?L?q?? las*Partl?l11Iiofy???YmEEJ0umalofQl?p???}???*?Slni??F61984?Y 20(3)?l289?Y300?Y FG3FTE(??U?)SToNJ’????ETpalcUI??lFGpactaLpFslab?X?Ey las*Part2?lnI?0aleffecbis?afinitcsLabFGJFT?Y?F????J0umal0f Q??n??Elio??ioics?N1984?NQl}2l(8)?l1195-12lO?Y FG4FTFANTYHeat?Xn?0liioinNd?lYAG?0dYb?lYAG?F?Y?}Jou?p ofQu?0n?OElio??oIlics?N1993?N29(6)?l1457-1459?Y FG5FTMcs?NEsA?N?5c?fUmsJ?YT1lcmlale???lctinacopl????pI|mped foldpczigz??slabla?????Y??EJ??nlalofQll????Ek?lcn??icsF6 1996?N32(7)?l1243??1252?Y FG6FTB?7????SA?Y?NBEACHRJ’BmEAUC?N??a1?YDiodc?pypaayl?X?Tlpaand ??tmal????erI??tfbf?ld?Ysta??lasc?????Y??EJo??|alof Seliooed1?YopicsinQI?l???tElio??0nics?N1997?N3(1)?l7l??81?Y FG7FT?D?A???N???????N???????Y???(?????????????v???????|???(?? s??Y?v???????N2io6?N26(6)?l854?Y858?Y FG8FTntENHOLMEJB?YFl??sionccamplifhI???wand?gmsitic oiomatiioUpc????iosindiskk???[FGRFT?YW?Whillg???XDC?lse?N Rese?NLab?Y1972?Y FG9FTB?jYD?NBRoWND?Na?p0C??J?YAl?Tp?????9?9s?io?? ?0issionin highpow??skIbh?fc??FGCJ??rioofAdvs?cd-?0?? Iase???NSaltLakca?OUT?Y1990?NpapefWelp41?Y FG10FTSRDHARANAKSARAFS?NSs??3IAS?NetaL Zigz?uslabsfbf iohd-statcl?B??ampnfie???lbatch??ficatiioandparasiticioicmaliio su??iossiioFGJFTApplicdoptics?N2006?N45(14)?l3341p43351?Y FG11FT?????o?N?y???N???r???N?v?Ypc???v?YIIpt?????????P?@?j???u???n?g ?????4?????Y?v???????N1996?N16(10)?l1367??1370?Y FG12FT?K?T???N???????N???1???N?v?Y?????????v?*???@?j???u?????? ?0?@?j?4???V?Y?K???v?Y???????N2004?N16(5)?l603??6?z?Y