Wax ka badan 60% hufnaan Nd:YAG laser dhoobo hufan oo leh saameyn lumitaan hooseeya


Halkan, saamaynta luminta attenuation iyo kor u qaadida waxqabadka laysarka ee Nd:YAG ceramics hufan ayaa la baadhay.Isticmaalka 0.6 at.% Nd:YAG Usha dhoobada leh dhexroor 3 mm iyo dhererka 65 mm,Isku-darka firdhinta iyo isugeynta nuugista ee 1064 nm ayaa lagu qiyaasay 0.0001 cm-1 iyo 0.0017 cm-1, siday u kala horreeyaan.808 nm tijaabada laysarka ee dhinaca-bamgareynta ah, celceliska awoodda wax soo saarka ee 44.9 W ayaa lagu gaadhay waxtarka beddelka indhaha-ilaa-optical ee 26.4%, kaas oo ku dhawaad ​​la mid ah kan 1 at.% hal crystal.Qaadashada nidaamka bamgareynta tooska ah ee 885 nm, tijaabooyinka laser-ka soo socda ayaa muujiyay waxtarka sare ee indhaha ee 62.5% iyo awoodda wax soo saarka ugu badan ee 144.8 W ayaa lagu helay awoodda bamka la nuugay ee 231.5 W. Tani waxay ahayd ilaa hadda waxtarka beddelka indhaha ee ugu sarreeya ee la helay. gudaha Nd:YAG leysarka dhoobada ilaa aqoonteena.Waxay caddaynaysaa in awoodda sare iyo wax-soo-saarka laser-ka ee waxtarka sare leh ay soo saari karto tayada sare ee tayada sare ee Nd: YAG dhoobada dhoobada oo ay weheliso 885 nm tignoolajiyada bamgareynta tooska ah.

1675137962466

Tamarta garaaca wadnaha ee Sare, Xadhkaha Cidhiidhiga ah 6.45 µm laga bilaabo Oscillator Parametric Optical ee BaGa4Se7 Crystal


Warqadani waxay soo bandhigaysaa tamar garaaca wadnaha sareeysa, xariiq cidhiidhi ah, dhexda-infrared (MIR) laserat 6.45 µm, oo ku salaysan BaGa4Se7 (BGse) oscillator optical parametric oscillator (OPO) oo lagu shubay 1.064 µm laser.Tamarta garaaca wadnaha ugu badan ee 6.45 µm waxay ahayd ilaa 1.23 mJ, oo leh ballac garaaca garaaca wadnaha ee 24.3 ns iyo celceliska celceliska 10 Hz, oo u dhiganta waxtarka beddelka indhaha-optical 2.1%, laga bilaabo iftiinka bamka 1.064 µm ilaa iftiinka aan shaqaynayn 6.45 µm.Dhanka laydhka laydhka ee laydhka ah wuxuu ahaa qiyaastii 6.8 nm. Dhanka kale, waxaanu si sax ah u xisaabinay xaalada isbarbardhiga ee OPO ee BGSe crystal oo lagu shubay 1.064 µm laser, iyo nidaamka jilitaanka nambarada ayaa la sameeyay si loo falanqeeyo wax-soo-saarka 6.45 µm, iyo sidoo kale saamaynta dhererka crystal on hufnaanta beddelka.Heshiis wanaagsan ayaa laga helay cabbirka iyo jilitaanka.Sida ugu wanaagsan ee aqoontayada, kani waa tamarta garaaca wadnaha ugu sareysa ee 6.45 µm, oo leh xariiqda ugu cidhiidhi ah ee laser kasta oo adag MIR ns ee BGse-OPO oo lagu shubo oscillator fudud 1.064 µm.Nidaamkan fudud ee 6.45 µm OPO ee fudud, oo leh tamar garaaca wadnaha sare iyo dhuuban ballac ahaan, wuxuu buuxin karaa shuruudaha goynta unugyada wuxuuna hagaajin karaa saxnaanta nudaha.

1675135023536

43 W, 7 ns muddada garaaca wadnaha joogtada ah, heerka celceliska-soo noqnoqoshada-sare ee daloolka langasite-la tuuray Ho: YAG laser iyo ku dhejinta bartamaha ZGP OPOs


Warqadan, waxaan ku muujineynaa langasite (LGS) koronto-optic Ho: YAG leysarka la tuuray oo xakameynaya ku tiirsanaanta muddada garaaca wadnaha ee lasers-ka ee Q.Muddada garaaca garaaca wadnaha oo joogto ah oo ah 7.2 ns ayaa lagu gaadhay celcelis ahaan 100 kHz.Ka faa'iidaysiga kristanta LGS ma laha saameyn weyn oo piezoelectric giraan ah iyo depolarization kuleyl leh, tareenka garaaca wadnaha oo xasilan ayaa lagu gaaray awood wax soo saar ah 43 W. Markii ugu horeysay, codsiga laysarka daloolka lagu tuuray bartamaha-infrared (dhexda- IR) ZnGeP2 (ZGP) oscillator optical parametric oscillator (OPO) ayaa la xaqiiqsaday, taasoo bixisa hab la isku halayn karo oo lagu gaaro heerarka soo noqnoqda sare iyo waqtiyada garaaca garaaca nanosecond gaaban ee tamarta dhexe ee ZGP OPOs.Celceliska awoodda wax soo saarku waxay ahayd 15 W, oo u dhiganta muddada garaaca garaaca wadnaha ee 4.9 ns iyo celceliska celceliska 100 kHz.

1675136028495

Broadband, dhexda infrared dhexda dhawr wareeg ah oo ku salaysan jiilka soo noqnoqda kala duwanaanshaha garaaca wadnaha oo leh kiristaalo BGSe


Waxaan soo bandhigeynaa markii ugu horeysay ee jiilka octave-ballaaran bartamaha-infrared annagoo adeegsanayna karistaalo aan toos ahayn BGse.A Cr: Nidaamka laser ZnS oo keenaya garaaca 28-fs ee mawjadaha dhexe ee 2.4 µm ayaa loo adeegsadaa isha bamka, kaas oo kaxeeya jiilka soo noqnoqoshada garaaca wadnaha gudaha gudaha crystal BGse.Natiijo ahaan, balaadhdhismeed isku xidhan oo dhexda infrared dhexda ah oo u dhexeeya 6 ilaa 18 µm ayaa la helay.Waxay tusinaysaa in kristanta BGSe ay tahay walax rajo leh oo loogu talagalay balaadhinta ballaaran, jiilka dhexe ee wareegga yar iyadoo loo marayo soo noqnoqoshada hoos u dhigista ilaha matoorka femtosecond.

1675136332013

1.53 W dhammaan-degaanka nanosecond garaaca leysarka dhexe ee infrared at 6.45 µm

Layser is haysta oo adag oo dhan-state infrared (MIR) oo ah 6.45 µm oo leh celceliska wax soo saarka celceliska sare iyo tayada iftiinka Gaussian u dhow ayaa la muujiyey.Awoodda wax-soo-saarka ugu badan ee 1.53 W oo leh ballac garaaca garaaca ah oo ku dhow 42 ns at 10 kHz ayaa lagu gaaraa iyadoo la isticmaalayo oscillator indhaha ah ee ZnGeP2 (ZGP).Tani waa celceliska awooda ugu sareysa 6.45 µm ee leysarka gobolka-adag oo dhan ilaa inta aan ognahay.Celceliska heerka tayada alwaaxdu waxa lagu qiyaasaa inuu yahay M2 =1.19.Waxaa intaa dheer, xasilloonida awoodda wax soo saarka sare ayaa la xaqiijiyay, iyadoo korontadu ay ka yar tahay 1.35% rms in ka badan 2 saacadood, iyo laserku wuxuu u shaqeyn karaa si hufan wax ka badan 500 h guud ahaan.Isticmaalka
garaaca garaaca wadnaha 6.45 µm sida isha shucaaca, baabiinta unugyada maskaxda xoolaha waa la tijaabiyaa.Intaa waxaa dheer, saameynta dhaawaca dammaanadda waxaa aragti ahaan loo falanqeeyay markii ugu horeysay, sida ugu wanaagsan ee aqoonteena ah, natiijadu waxay tilmaamaysaa in laser-kan MIR uu leeyahay awood aad u wanaagsan, taas oo ka dhigaysa beddelka suurtagalka ah ee leysarka elektaroonigga ah ee bilaashka ah.
1675136966816