Tsev > Khoom > Nonlinear Crystal > Cov Khoom Cai Lag Luam Tshaj Tawm Lag Luam IBS Coated LBO Nonlinear Crystal

LBO Nonlinear Crystal

LBO (Lithium Triborate) yog ib qho khoom siv tseem ceeb tsis yog siv rau nws qhov kev hloov loj ntawm coefficient – 3 x uas ntawm KDP, tiam sis kuj yog rau nws lub zog zoo heev.

LBO yog ib qho zoo tshaj plaws uas tsis muaj qee cov iav nrog cov dav dav dav ntawm 160nm rau 2600nm. LBO Crystal muaj ib qho kev puas tsuaj loj heev, kev sib koom ua ke tsis ruaj khov thiab cov khoom siv zoo thiab cov khoom siv zoo. Nws kis tau zoo yog los ntawm 0.21μm rau 2.3 μm, LBO pub rau kev ntsuas kub tsis haum (ntsuas NCPM) rau 1.0-1.3 μm, Hom Kuv SHG, thiab kuj muab qhov chaw sov NCPM rau Hom II SHG ntawm 0.8-1.1 μm . Nws muaj ib feem loj txaus txais bandwidth, txo cov beam zoo raws li qhov chaw lasers.

Honour Optics yog ib qho kev Tshawb Fawb /Loj loj /IBS coated LBO nonlinear Crystal Chaw tsim tshuaj paus, txais tos kom nqus tsis haum LBO nonlinear Crystal.

Cov nta ntawm kev siab zoo purity LBO nonlinear siv lead ua:

- Cov laj kab dav dav tshaj ntawm 160-2600nm
- Highly optical homogeneity (1.0E-6 /cm) thiab ua dawb ntawm Txuas;
- Qhov nruab nrab zoo SHG coefficient (txog peb lub sij hawm uas ntawm KDP)
- Kev puas tsuaj loj heev
- Kev txaus siab dav dav thiab qhov kev tawm me me
- Hom I thiab hom II uas tsis tshua xav phim (NCPM)
- Spectral NCPM ze ze ntawm 1300nm
- Cov khoom zoo nkauj thiab lub zog

Tab.1.Stuctural thiab Physical Properties

Crystal Structure Orthorhombic, Space group Pna21, Point group mm2
Cell Parameters a=8.4473Å,b=7.3788Å,c=5.1395Å,Z=2
Melting point 834°C
Optical homogeneity δn≈10-6/cm
Mohs hardness 6
Density 2.47 g/cm3
Thermal expansion coefficients αx=10.8x10-5/K,αy= -8.8x10-5/K,αz=3.4x10-5/K
Hygroscopic susceptibility Low
Absorption coefficient <0.01%/cm at 1064nm
Thermal conductivity 3.5W/mK

Tab. 2. Nyuaj Khoom

Transparency Range 160-2600nm
SHG Phase Matchable Range 551-2600nm  (Type I)      790-2150nm (Type II)
Therm-optic Coefficient (/℃, λ in μm) dnx/dT=-9.3X10-6
dny/dT=-13.6X10-6
dnz/dT=(-6.3-2.1λ)X10-6
Absorption  Coefficients <0.1%/cm at 1064nm    <0.3%/cm at 532nm
Angle Acceptance 6.54mrad·cm    (φ, Type I,1064 SHG)
15.27mrad·cm    (θ, Type II,1064 SHG)
Temperature Acceptance 4.7℃·cm   (Type I, 1064 SHG)
7.5℃·cm   (Type II, 1064 SHG)
Spectral Acceptance 1.0nm·cm (Type I, 1064 SHG)
1.3nm·cm (Type II, 1064 SHG)
Walk-off Angle 0.60°  (Type I  1064 SHG
0.12°  (Type II  1064 SHG)
NLO Coefficients deff(I)=d32cosΦ                         (Type I  in XY plane)
deff(I)=d31cos2θ+d32sin2θ       (Type I  in XZ plane)
deff(II)=d31cosθ                         (Type II in YZ plane)
deff(II)=d31cos2θ+d32sin2θ      (Type II in XZ plane)
Non-vanished NLO susceptibilities d31=1.05± 0.09 pm/V
d32= -0.98± 0.09 pm/V
d33=0.05± 0.006 pm/V
Sellmeier  Equations nx2=2.454140+0.011249/(λ2-0.011350)-0.014591λ2-6.60×10-5λ4
(λ in μm) ny2=2.539070+0.012711/(λ2-0.012523)-0.018540λ2+2.00×10-5λ4
nz2=2.586179+0.013099/(λ2-0.011893)-0.017968λ2-2.26×10-5λ4

Low-cost LBO nonlinear Crystal muaj qhov teeb meem loj tshaj plaws ntawm tag nrho cov nquag siv hauv cov txheej txheem NLO. Vim li no, nws yog tus neeg tuaj ua haujlwm zoo tshaj plaws rau siab zog SHG thiab lwm txoj kev tsis muaj pauv hloov hauv nonlinear.

Tab.3.Damage Threshold ntawm 1053nm

Crystal Energy Density (J/cm2) Power Density (GW/cm2) Ratio
KTP
KDP
BBO
LBO
6.0
10.9
12.9
24.6
4.6
8.4
9.9
18.9
1.00
1.83
2.15
4.10

SHG thiab THG ntawm Chav Kub Kub

LBO yog theem sib phim rau SHG thiab THG ntawm Nd: YAG thiab Nd: YLF lasers, siv ob hom I lossis hom II sib cuam tshuam. Rau SHG ntawm chav tsev kub, hom I theem txuam tau mus txog thiab muaj qhov siab tshaj tawm SHG coefficient hauv tus thawj xib fwb XY thiab XZ hauv dav dav ntau qhov ntawm 551nm txog 3000nm. High quality high threshold SB SBI nonlinear Crystal yog thawj qhov kev xaiv ua kev twv los sis ntau tshaj rau cov lasers xws li Nd: YAG qhov chaw siab zog, kev ruaj siab siab, thiab kev ua haujlwm ntev.

SHG of custom high purity LBO nonlinear crystal

Tsis-Critical Phaus-Txawv

Tsis yog Critical-Matching (NCPM) ntawm LBO yog tsim los ntawm tsis muaj kev taug kev, qhov dav dav heev thiab qhov zoo tshaj plaws coefficient. Nws txhawb nqa LBO los ua haujlwm hauv nws txoj kev mob siab. Raws li hais tseg, hom I thiab hom II uas tsis tseemceeb (phev ntev) -cov phim tuaj yeem hu rau x-axis (θ = 90 °, φ = 0 °) thiab z-axis (θ = 0 °, φ = 0 °) kub, feem.

SHG conversion efficiencies of more than 70% for a pulse and 30% for CW Nd: YAG lasers, and THG conversion efficiency over 60% for pulse
Nd: YAG laser has been observed. With good output stability and beam quality.
Properties of type I NCPM SHG at 1064nm
NCPM Temperature 148°C
Acceptance Angle 52 brand-cm1/2
Walk-off Angle 0
Temperature Bandwidth 4°C-cm
Effective SHG Coefficient 2.69×d36(KDP)

LBO OPO thiab OPA

LBO yog ib qho zoo kawg nkaus NLO siv lead ua rau OPO thiab OPA nrog rau ntau yam paab ntau paab ntau paab hab muaj peev xim. Cov cim khoom ntawm hom I thiab hom II theem txuam nrog rau NCPM tawm hauv chav loj thiab kev siv cov OPO thiab OPA.

type I OPO tuning curves of custom high purity LBO nonlinear crystal

> 1 rau 1064nm, TEM00, 10ns, 10HZ (AR-coated)
> 0.5 rau 532nm, TEM00, 10ns, 10HZ (AR-coated)

Honour Optics muab cov LBO coatings nram qab no:

Dual Band AR-txheej (DBAR) ntawm LBO rau SHG ntawm 1064nm. Tsis tshua muaj kev sib txuam (R < 0.1% ntawm 1064nm thiab R < 0.25% ntawm 532nm), super tsis muaj kev cuam tshuam R < 0.05% ntawm 1064nm thiab R < 0.1% ntawm 532nm yog muaj thaum thov; siab puas ntsoog loj tshaj (> 500MW /cm2 ntawm ob lub piam); ntev durability.
Broad Band AR-txheej (BBAR) ntawm LBO rau SHG ntawm tunable lasers.
Lwm cov coatings muaj thaum thov.

Honour Optics txheem specifications rau LBO Crystal

* Dimension siab: (W ± 0.05mm) x (H ± 0.05mm) x (L +/- 0.1mm)
* Cov lus qhia tseeb meej: central 90% ntawm lub taub
* Txoj kev tsis pom kev los yog chaw zov me nyuam thaum kuaj xyuas los ntawm ib qho 50mW ntsuab laser
* Flatness: zoo tshaj λ /10 @ 633nm
* Xa cov kev sib tw ntawm kev sib tw: zoo tshaj λ /8 @ 633nm
* Chamfer: ≤0 mmmm45 °
* Nti: ≤ 0mm hli
* Kos /Cov Code: zoo dua 10/5 rau MIL-PRF-13830B
* Parallelism: zoo tshaj 10 tus ciav hlau
* Perpendicularity: ≤5 arc feeb
* Lub sab xis kam: Δθ≤0.25 °, ΔΦ≤0.25 °
* Ua kev puas tsuaj (GW /cm2):
> 10 rau 1064nm, TEM00, 10ns, 10HZ (polished nkaus xwb)
> 1 rau 1064nm, TEM00, 10ns, 10HZ (AR-coated)
> 0.5 rau 532nm, TEM00, 10ns, 10HZ (AR-coated)

Cov kev paub zoo heev thiab cov txheej txheem txheej txheem thiab kev sib txuas ua ke zoo ntawm lawv tsim peb cov SHG thiab cov nqi qis LBO nonlinear cov nplais.

Peb tuaj yeem hloov kho lub qia pobzeb thiab luaj li tsuas tshwj cov qauv tshwj xeeb raws li koj qhov kev thov. Nws muaj caij rov rau polishing thiab txheej rau cov nplais LBO uas koj muab rau peb.

Kev siv cov txheej txheem ntawm cov kev siab zoo purity LBO nonlinear Crystal

HG thiab THG rau nruab nrab thiab siab zog Nd: lasers ntawm 1064nm rau kev kho mob industrial thiab kev ua tub rog;
SHG rau Ti: Sapphire, Alexandrite, thiab Cr: LiSAF lasers;
SHG thiab THG kev siab zog Nd: lasers ntawm 1342nm &1319nm rau laser liab thiab xiav
SHG rau Nd: Lasers ntawm 914nm & 946nm rau xiav laser.
VUV cov zis ntawm 187.7 nm yog tau los ntawm cov cim tag nrho.
NCPM SHG tshaj li lub dav ntiv taw ntawm 900nm-1700nm raug ntsuas.
Txoj Kev Sib Koom Txiav Txim: SHG-554 nm siv, THG-794 nm, SFM-down rau 160 nm.
Optical Parametrical Amplifiers (OPA) thiab Oscillators (OPO) daim ntawv thov;

Honour Optics Warrant:

Kev tswj cov nyom zoo;
Siab hauv kev zoo tsis muaj ib qho kev tawm tsam.
Loj siv lead ua loj li 20 x 20 x 40mm3
Siab puas AR-txheej
Loj ntau cov khoom tsim hauv-Tshuag
Ceev tus tub. (rau polished xwb, 1-2 lub lis piam ARO Rau coated crystal: 3-4 lub lis piam ARO)
Kev Kho Mob Zoo Tshaj: Ib xyoos siv raws li kev siv.

Honour Optics yog ib qho kev Tshawb Fawb /Loj loj /IBS coated LBO nonlinear Crystal Chaw tsim tshuaj paus, txais tos kom nqus tsis haum LBO nonlinear Crystal.

Honour Optics khoom thiab fabricates zoo siab puas tsuaj SB LBO nonlinear Crystal, loj, thiab txheej thaum koj thov.

Txuj LBO muaj peev xwm xa nkoj tsis pub dhau 4 lub asthiv

Dimension(mm) θ(Deg) φ(Deg) Coating Application
3*3*10 42.2 90 AR/[email protected]&532/355nm [email protected],TypeⅡ
3*3*10 90 11.6 AR/[email protected]&532nm [email protected],TypeⅠ
3*3*15 42.2 90 AR/[email protected]&532nm [email protected],TypeⅡ
5*5*15 42.2 90 AR/[email protected]&532/355nm [email protected],TypeⅡ
5*5*15 90 11.6 AR/[email protected]&532nm [email protected], TypeⅠ

Thov nco tias:

1. LBO muaj cov kab mob qis heev rau cov dej noo. Cov neeg siv tau txais kev pom zoo muab cov khoom noj qhuav rau kev siv thiab kev txuag ntawm LBO.
2. Luam tshooj ntawm LBO yuav tsum ceev faj kom tsis txhob muaj kev puas tsuaj.