十二 啁啾脉冲放大器PPT课件

1 . 12.chirpedpulseampleapplication (CPA ) andpetawards chirpedpulseampleapplication (CPA ) pulsestretchingmethodpulsecompressionregenerationmentapplicationmplementationanconfigurationnnrolowingopticalparatawotttasere LASINERINTtensityevoluton是G.MourouICUIL2008，CPALasers，3，chirpedpulsetscheme .4，CPA:Why？effectitioncomplificationavaioddamigimudetohipoticalintentityredecthenonlineareffctinkmedium，5 Pulsestretchingbygratingpair PulsetobestrecthedduetoGDD，30fs 109fs23.08ns，7，diffraction-gratingpulsecompressor theggratingpulsecompressoralssorasnegat Lsep，w，w，whred=gratingspacing，Grating#1，Grating#2，note that asintheprismpulsecompressor，thelargerLsep，thelargerthen modlockedoscillatorasseedingright， 9，Regenerateamplifier，四分之一波电压放大器， 10 Regenerateamplifier，半波电压再生放大器，11，光学隔离器，函数： (1) avoidthampledlightfeedbackoscillator (2)隔离器12多功率分析器(1)，13，电源分析器，14，15，增益分析器，16，Suppressionofgainnarrowing， 泵激光：527 nm，设置激光：910 or 1053 nm， opcpacharacteristics : (1)高增益(1000 forsingleleass ) (2)大功率瓦可转换(3)低功率转换requirsynchronitionstitybewenppingandseedinglaser，19，couplingwavequaration，20组- velocymismatchlimitbandwidth . second-harmoncpulsetohaveaaussianintensity，forwhicht=0.44.rewritingintersofthewavelength， t=t d/d -1=0.44 d/d -1=0.442/c0whewre wevenegelecttheminutesinewerecomputtingbandwidth whichisinherentlypositive calculangthebandwdthbyconsideringthegvmyieldsthesamerelestashephase -匹配bandwidth！21，560 twopcpabyrussia，22、mainroutesforpetaware、cpabasedonti : sapphire :800 nm wavelength； 宽带宽度(400fs )、重复(0.1 Hz ) 30 jcpabasedonnd :玻璃：053 nm、400fs、200J、oneshotperhours； OPCPAbasedonKD*P:40-80fs； 910纳米1053纳米、35J； 单短路，23，petawattexample : petawatthybridopcpa-glas slerp-Texas，24，Petawattscheme，25，OPCPAscheme，26，nd 33366 27 suppressiongainnarrowingbyhybridamlification，28，Compressiongrating，29，Results，30，Petawattlaserfacilities， 31 petawattlaseacilitiesintheworld，32，pulse contrast : intensityofmainkpulse/intensityofnoisepulse，AnnualReport2007LLE， rochester definitionofpre-pulse contrast，33，theplusecontrasanbereducedsignifitsgeneration，propagationandamplementations.am contratistaldgeradrationduetoaseisfundamental表示： alwaresacchipeneinfindthalasermanalmentationalationcomm thenoisepedestrallbemorecomplaicatedinopcpa.temporalripplesinpumppp racticently.v.bagnoudoe2007，pumpnoiseopg. 35，doublecpaadesigntoboostcontrast，Nonlinearpolarizationrotation，Jullien，OL2004 非线性ulsecleaning，36，SHGboostcontrast，37，Questions， ple