LBO Crystal


  • Tsarin Crystal: Orthorhombic, Spaceungiyar sararin samaniya Pna21, Pointungiyar maki mm2
  • Sashin Lattice: a = 8.4473Å, b = 7.3788Å, c = 5.1395Å, Z = 2
  • Matsar narkewa: Game da 834 ℃
  • Mohs Hardness: 6
  • Yawa: 2.47g / cm3
  • Ewararrun Fadada rananan Maɗaukaki: αx = 10.8x10-5 / K, αy = -8.8x10-5 / K, =z = 3.4x10-5 / K
  • αx = 10.8x10-5 / K, =y = -8.8x10-5 / K, =z = 3.4x10-5 / K: 3.5W / m / K
  • Bayanin Samfura

    Sigogin fasaha

    LBO (Lithium Triborate - LiB3O5) yanzu shine kayan da akafi amfani dashi don forarfin Harmonic Na Biyu (SHG) na lasar ƙarfin ƙarfi 1064nm (a madadin KTP) da Sum Frequency Generation (SFG) na tushen laser 1064nm don cimma hasken UV a 355nm .
    LBO matsala ce ta zamani don SHG da THG na Nd: YAG da Nd: YLF lasers, ta amfani da nau'in I ko nau'in hulɗar II. Don SHG a cikin zafin jiki na ɗaki, ana iya samun daidaiton lokaci iri ɗaya kuma yana da matsakaiciyar ƙimar SHG a cikin manyan jiragen XY da XZ a cikin tsawan zango mai tsayi daga 551nm zuwa kusan 2600nm. SHG yana dacewa da inganci fiye da 70% don bugun jini da 30% don cw Nd: YAG lasers, da THG ƙwarewar canzawa sama da 60% don bugun jini Nd: YAG laser an lura.
    LBO kyakkyawan lu'ulu'u ne na NLO don OPOs da OPAs tare da kewayon zango mai saurin faɗuwa da ƙarfi. Wadannan OPO da OPA wadanda SHG da THG na Nd: YAG laser da XeCl laser excimer laser a 308nm aka ruwaito. Abubuwan keɓaɓɓen kaddarorin nau'ikan I da nau'ikan zamani masu dacewa da NCPM sun bar babban ɗaki a cikin bincike da aikace-aikacen LBO's OPO da OPA.
    Abvantbuwan amfani:
    • Faɗaɗɗen kewayon nuna gaskiya daga 160nm zuwa 2600nm;
    • High homogeneity (δn≈10-6 / cm) kuma ba tare da haɗuwa ba;
    • Dangantakar babban tasiri na SHG (kusan sau uku na KDP);
    • Babban ƙofar lalacewa;
    • Girman kusurwar karɓa da ƙaramar tafiye-tafiye;
    • Nau'in Na kuma buga nau'ikan daidaita yanayin lokaci mara nauyi (NCPM) a cikin kewayon zango mai fadi;
    • NCPM na Spectral kusa da 1300nm.
    Aikace-aikace:
    • Fiye da 480mW fitarwa a 395nm ana samar dashi ta hanyar ninki biyu na yanayin 2W mai kulle Ti: Sapphire laser (<2ps, 82MHz). Yankin zango na 700-900nm an rufe shi da kristal Lx 5x3x8mm3.
    • Sama da 80W an fitar da kore ta SHG na Q-switched Nd: YAG laser a cikin wani nau'in II 18mm mai tsawon LBO lu'ulu'u.
    • Mitar ninki biyu na diode da aka zana Nd: YLF laser (> 500μJ @ 1047nm, <7ns, 0-10KHz) ya kai fiye da 40% ingancin juyawa a cikin tsafin LBO mai tsayin 9mm.
    • Ana samun fitowar VUV a 187.7 nm ta hanyar wadataccen mita.
    • 2mJ / bugun jini mai iyakance a 355nm ana samun sa ne ta hanyar bugun iska sau uku na Q-switched Nd: YAG laser.
    • An samu ingantaccen ingancin juzuwar juzu'i da kewayon 540-1030nm mai iya nisan zango tare da OPO wanda aka bugu a 355nm.
    • Nau'in I OPA wanda aka zubo a 355nm tare da ingancin jujjuyawar canzawar makamashi na 30% an ruwaito.
    • Nau'in na II NCPM OPO wanda aka zaba ta hanyar laser XeCl a 308nm ya sami ingancin jujjuyawar 16.5%, kuma ana iya samun jeri na matsakaicin zango na matsakaiciya tare da mabubbutattun famfo daban-daban da gyaran yanayi.
    • Ta amfani da dabarar NCPM, a buga I OPA wanda SHG na Nd: YAG ya buga a 532nm an kuma kiyaye shi don rufe babban zangon tunable daga 750nm zuwa 1800nm ​​ta hanyar sauya zafin jiki daga 106.5 ℃ zuwa 148.5 ℃.
    • Ta hanyar amfani da nau'ikan II NCPM LBO a matsayin janareta mai aukuwa (OPG) da kuma buga I mai matukar muhimmanci-ya dace da BBO a matsayin OPA, ƙananan layin waya (0.15nm) da haɓakar haɓakar haɓakar makamashi mai ƙarfi (32.7%). lokacin da aka bugu da 4.8mJ, laser 30ps a 354.7nm. An rufe zangon kunnawa daga 482.6nm zuwa 415.9nm ko dai ta ƙara yawan zazzabin LBO ko ta juya BBO.

    Kayan gida na asali

    Tsarin Crystal

    Orthorhombic, Spaceungiyar sararin samaniya Pna21, Pointungiyar maki mm2

    Sashin Lattice

    a = 8.4473Å, b = 7.3788Å, c = 5.1395Å, Z = 2

    Wurin narkewa

    Game da 834 ℃

    Mohs Taurin kai

    6

    Yawa

    2.47g / cm3

    Ewararrun ansionwararrun ansionarfafa Yanayi

    αx = 10.8 × 10-5 / K, αy = -8.8 × 10-5 / K, αz = 3.4 × 10-5 / K

    Coaramar Gudanar da Thearfin Kaɗan

    3.5W / m / K

    Girman gaskiya

    160-2600nm

    SHG Phase Matchable Range

    551-2600nm (Nau'in I) 790-2150nm (Nau'in II)

    Rarin zafin therm-optic (/ ℃, λ in μm)

    dnx / dT = -9.3X10-6
    dny / dT = -13.6X10-6
    dnz / dT = (- - 6.3-2.1λ) X10-6

    Coarancin orarancin Shayewa

    <0.1% / cm a 1064nm <0.3% / cm a 532nm

    Yarda da kwana

    6.54mrad · cm (φ, Rubuta I, 1064 SHG)
    15.27mrad · cm (θ, Nau'in II, 1064 SHG)

    Yarda da zazzabi

    4.7 ℃ · cm (Rubuta I, 1064 SHG)
    7.5 ℃ · cm (Nau'in II, 1064 SHG)

    Yarda da Spectral

    1.0nm · cm (Rubuta I, 1064 SHG)
    1.3nm · cm (Nau'in II, 1064 SHG)

    Tafiya-kashe Angle

    0.60 ° (Rubuta I 1064 SHG)
    0.12 ° (Nau'in II 1064 SHG)

     

    Sigogin fasaha
    Haƙurin girma (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.5 / -0.1mm) (L≥2.5mm) (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.1 / -0.1 mm) (L <2.5mm)
    Bayyana budewa tsakiyar 90% na diamitaBabu hanyoyin watsawa bayyane bayyane ko cibiyoyi lokacin da lasar kore 50mW ta duba su
    Flatness kasa da λ / 8 @ 633nm
    Watsa karkatacciyar hanya kasa da λ / 8 @ 633nm
    Chamfer ≤0.2mm x 45 °
    Chip ≤0.1mm
    Karce / Tona mafi kyau fiye da 10/5 zuwa MIL-PRF-13830B
    Daidaici mafi kyau fiye da dakika 20
    Pendarin daidaito Minutes 5 baka
    Haƙurin kusurwa Θ≤0.25 °, △ φ≤0.25 °
    Ageofar lalacewa [GW / cm2] > 10 don 1064nm, TEM00, 10ns, 10HZ (goge kawai)> 1 don 1064nm, TEM00, 10ns, 10HZ (AR mai rufi)> 0.5 don 532nm, TEM00, 10ns, 10HZ (AR mai rufi)