Waxqabadka sare ee farsamada ultrafast wafer laser

Waxqabadka sare ee wafer ultrafastfarsamada laysarka
Awood sarelaser ultrafastwaxaa si weyn loogu isticmaalaa wax soo saarka horumarsan, macluumaadka, microelectronics, biomedicine, difaaca qaranka iyo beeraha military, iyo cilmi-baarista ku habboon ee sayniska waa muhiim si kor loogu qaado hal-abuurka sayniska iyo teknoolajiyada qaranka iyo horumarinta tayada sare leh. jeex-dhuubannidaamka laysarkaiyada oo faa'iidooyinka ay leedahay awoodda celceliska sare, tamarta garaaca wadnaha oo weyn iyo tayada alwaax aad u fiican ayaa baahi weyn u leh fiisigiska attosecond, diyaarinta walxaha iyo qaybaha kale ee sayniska iyo warshadaha, waxaana si weyn uga walaacsanaa waddamada adduunka oo dhan.
Dhawaan, koox cilmi-baaris ah oo Shiinaha ah ayaa adeegsatay moduleka wafer-ka is-horumariyay iyo tignoolajiyada dib-u-cusboonaysiinta dib-u-cusboonaysiinta si ay u gaaraan waxqabad sare (xasilooni sare, awood sare, tayo sare oo tayo sare leh, hufnaan sare) wafer aad u degdeg ahleysarkawax soo saarka. Iyada oo loo marayo naqshadeynta daloolka dib-u-soo-nooleynta dib-u-cusboonaysiinta iyo xakamaynta heerkulka dusha sare iyo xasilloonida farsamada ee kristal disc ee godka, soo-saarka laysarka ee tamarta hal garaaca wadnaha> 300 μJ, ballac garaaca <7 ps, celceliska awoodda> 150 W ayaa la gaadhay , iyo waxtarka isbeddelka iftiinka-ilaalka ugu sarreeya wuxuu gaari karaa 61%, taas oo sidoo kale ah waxtarka beddelka indhaha ee ugu sarreeya ee la soo sheegay ilaa hadda. Qodobka tayada alwaax M2 <1.06@150W, 8h xasilloonida RMS <0.33%, guushani waxay calaamad u tahay horumarka muhiimka ah ee laser wafer-ka sare ee waxqabadka sare, kaas oo siin doona fursado badan oo loogu talagalay codsiyada laser ultrafast ultrafast.

Soo noqnoqoshada sare ee soo noqnoqda, nidaamka dib u soo kicinta wafer awood sare
Qaab dhismeedka cod-weyneeye leysarka wafer waxa lagu muujiyay sawirka 1. Waxa ka mid ah il abuurka fiber, madax jeex dhuuban iyo dalool cod-weyneeye. Oscillator-ka ytterbium-doped fiber oscillator leh celcelis ahaan awood 15 mW, hirarka dhexe ee 1030 nm, ballaca garaaca wadnaha ee 7.1 ps iyo celceliska celceliska 30 MHz ayaa loo isticmaalay isha abuurka. Madaxa laysarka wafer wuxuu isticmaalaa Yb guriga lagu sameeyo: YAG crystal oo leh dhexroor 8.8 mm iyo dhumucdiisu tahay 150 µm iyo nidaamka bamgareynta 48-stroke. Isha bamka waxay isticmaashaa xariiqda eber-phonon LD oo leh 969 nm quful mawjad, taas oo yaraynaysa cilada quantum ilaa 5.8%. Qaab dhismeedka gaarka ah ee qaboojinta ayaa si wax ku ool ah u qaboojin kara kareemka wafer wuxuuna hubin karaa xasiloonida daloolka dib u soo kabashada. Dalool-weynaynta dib-u-cusboonaysiinta waxay ka kooban tahay unugyada Pockels (PC), Polarizers Film khafiif ah (TFP), Quarter-Wave Plates (QWP) iyo resonator-sare. Go'doominta ayaa loo adeegsadaa si looga hortago iftiinka la xoojiyay inuu waxyeeleeyo isha abuurka. Qaab-dhismeed go'doomin ah oo ka kooban TFP1, Rotator iyo Taarikada Half-Wave (HWP) ayaa loo isticmaalaa in lagu go'doomiyo abuurka gelinta iyo garaacyada la xoojiyay. Wadnaha abuurku waxa uu galaa qolka kordhinta dib-u-cusboonaysiinta iyada oo loo sii marayo TFP2. Barium metaborate (BBO) crystals, PC, iyo QWP waxay isku daraan si ay u sameeyaan furaha indhaha kaas oo quseeya koronto xilliyeedka badan kombuutarka si ay si xushmad leh u qabtaan garaaca abuurka oo ay gadaal iyo gadaal ugu faafiyaan godka. garaaca garaaca wadnaha ee la rabo ayaa ku dhex lulaya daloolka waxaana loo xoojiyay si wax ku ool ah inta lagu guda jiro faafinta safarka wareega iyadoo si fiican loo hagaajinayo xilliga cadaadiska santuuqa.
Cod-weyneeye dib-u-soo-nooleynta wafer wuxuu muujinayaa wax-soo-saar wanaagsan wuxuuna door muhiim ah ka ciyaari doonaa goobaha wax-soo-saarka-dhamaadka sare leh sida ultraviolet lithography, isha bamka attosecond, 3C electronics, iyo baabuurta tamarta cusub. Isla mar ahaantaana, tignoolajiyada laysarka wafer ayaa la filayaa in lagu dabaqo awood weyn oo weynqalabka leysarka, Bixinta habab cusub oo tijaabo ah oo loogu talagalay samaynta iyo ogaanshaha ganaaxa ee maaddada miisaanka nanoscale iyo qiyaasta wakhtiga femtosecond. Iyada oo ujeedadu tahay u adeegida baahiyaha waaweyn ee dalka, kooxda mashruuca sii wadi doonaan in ay diiradda saaraan hal-abuurnimada technology laser, jebin dheeraad ah iyada oo loo marayo diyaarinta ee kiristaalo laser awood sare istaraatijiyad, iyo si wax ku ool ah loo hagaajiyo cilmi-baarista madax-bannaan iyo horumarinta awoodda qalabka laser in dhinacyada macluumaadka, tamarta, qalabka-dhamaadka sare iyo wixii la mid ah.