EyahlukileyoU-Ultraine Laserinxenye enye
Iipropathi ezizodwa ze-ultraisai-lasers
Ixesha elifutshane le-Ultra-Light Seasers i-Underainde inika ezi nkqubo zepropathi ezahlukileyo ezizahlula kwi-hander-pulse okanye i-wave eqhubekayo (CW). Ukuze kuvelise ipulse emfutshane enjalo, i-band spectweid ebanzi iyafuneka. Ubume be-pulse kunye ne-Central wavelengt ichonge ubuncinci bebhedi efunekayo ukuvelisa ukuphuphuma kwexesha elithile. Ngokwesiqhelo, olu lwalamano luchazwa ngokwemveliso ye-bandwidth yexesha (i-TBP), ethatyathwa kumgaqo ongaqinisekanga. I-TBP ye-gausse inikezwe yile fomyula: i-TBPGAUS = δτδν≈0.441
Δτ yindawo yokutsala kunye ne-δv yi-bandwidth yexesha. Eyona nto ibalulekileyo, i-equation ibonisa ukuba kukho ubudlelwane obungenambonakalo phakathi kwebhendi ye-spectrum kunye nexesha lokupeyinta, okuthetha ukuba njengoko ixesha le-pulse lihla, i-bandwidth ifuna ukuvelisa olo lunyukayo. Umzobo 1 ubonakalisa ubuncinci bandwidth ofunekayo ukuxhasa iindlela ezahlukeneyo zokuphosa.
Umzobo 1: Ubuncinci bandwidthth ezifuneka ukuba baxhaseI-Laser ipelaye-10 ps (iluhlaza), i-500 fs (i-Blue), kunye ne-50 fs (ebomvu)
Imiceli mngeni yezobugcisa ye-Underainelers
I-bandwidth ebanzi, amandla e-peak, kunye nexesha elifutshane le-pulse yabahlali i-Utrainde kufuneka ilawulwe ngokufanelekileyo kwinkqubo yakho. Rhoqo, esinye sezisombululo ezilula kule miceli mngeni yimveliso ebanzi ye-lars. Ukuba usebenzise ikakhulu i-pulse okanye i-wavers eqhubekayo kwixa elidlulileyo, isitokhwe sakho esikhoyo sezinto ezibonakalayo zisenokungakwazi ukubonakalisa okanye ukuhambisa ibhendi epheleleyo ye-bandlilate ye-quarbaid.
Umqobo we-laser
U-Ulraike we-ulraives wahluke kakhulu kwaye kunzima kakhulu ukulandela imilinganiselo yomonakalo we-laser (ldt) xa kuthelekiswa nemithombo yolwazi eqhelekileyo. Xa i-otshi ibonelelweI-Nanosecond yatsala i-lasersIxabiso le-LDT lihlala likwi-5-10 j / cm2. Ngeempawu ze-ulraiksi, amaxabiso obukhulu azivalelwanga, njengoko amaxabiso e-LDT kunokwenzeka ukuba abekhona kwi-odolo ye <1 j / cm2, ehlala kufutshane ne-0.3 j / cm2. Umahluko obalulekileyo we-LDT Amplitude phantsi kweendawo ezahlukeneyo zokutsala sisiphumo somonakalo we-laser esekwe kwi-pulanter. Ye-nanosecond lars okanye ngaphezuluI-wap ors, eyona ndlela iphambili ebangela ukonakala kukufudumeza. Izinto zokuhamba kunye neziqwengana zeIzixhobo ze-Opticalfumana iifoto zesehlo kwaye ubuyise. Oku kunokukhokelela ekugqwetheni i-goristal ye-crystal yentsimbi. Ukwanda kwe-shirm, ukuqhekeza, ukunyibilika kunye ne-Lattice Strain ziindlela zomonakalo eziqhelekileyo zeziImithombo yase-laser.
Nangona kunjalo, kwi-ofisi ye-UTRINGE, i-pulse ihamba ngokukhawuleza kunokuba ixesha lokudluliselwa kobushushu ukusuka kwi-larn ukuya kwi-lattle ye-lattle, ke isiphumo se-thermal asingoyena nobangela ophambili womonakalo ophethwe ngu-laser. Endaweni yoko, amandla e-peak ye-Underaile iguqula indlela yomonakalo kwiinkqubo ze-nonliar ezifana ne-photon ye-photon kunye ne-ionsus. Kungenxa yoko le nto akwenzeki ukuba inciphise i-LDT ye-LDT ye-Nanosecond ye-Nanosecond ye-Nanosecond ye-UTraisa, kuba indlela yokonakalo yahlukile. Ke ngoko, phantsi kweemeko ezifanayo zokusetyenziswa (umz. I-optics ekuvavanyelwe phantsi kweemeko ezahlukeneyo ayifanelanga ukwenziwa kweyona ndlela ilungileyo kwinkqubo.
Umzobo 1: Iindlela ze-Laser ye-Laser yenziwa ngomonakalo onemigangatho eyahlukeneyo ye-pulse
I-Post Ixesha: Jun-24 ukuya ku-2424