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Wide Transparency BBO Nonlinear Optical Crystal 200nm For Q Switching

Categories Laser Crystals
Brand Name: STAR OPTIC
Model Number: BBO
Certification: RoHS, ISO9001
Place of Origin: Wuhan, China
MOQ: 1pc
Price: Negotiable
Payment Terms: T/T, Western Union, Paypal
Supply Ability: 50000pcs/Month
Delivery Time: Negotiable
Packaging Details: Safe and dust-free packing
Product Name: Nonlinear Crystal BBO
Feature: wide transparency and phase matching ranges, Large nonlinear coefficient
Applications: high power applications
wavelength range: 200nm-2500nm
Crystal Structure: trigonal, space group R3c
Mohs Hardness: 4.5
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Wide Transparency BBO Nonlinear Optical Crystal 200nm For Q Switching

Nonlinear Crystal BBO

Overview:

BBO (beta-BaB2O4) is a nonlinear optical crystal which combines a number of unique features. These features include wide transparency and phase matching ranges, large nonlinear coefficient, high damage threshold and excellent optical homogeneity. Therefore, BBO is an excellent nonlinear crystal for frequency-doubling of Visible and Near IR laser light, OPO/OPG/OPA pumped by ultrafast pulses of wavelengths in the Near IR to UV, and sum-frequency mixing (SFM) into the Visible to the deep UV. BBO is one of the few practical crystals for use below 500 nm in SHG and SFM.

BBO crystal is also an excellent electro-optic crystal for high power applications at the wavelength range from 200nm to 2500nm. It can be used for Q-Switching in a CW diode pumped Nd:YAG laser with average power>50W.


General Specifications Of BBO crystals:

Dimension Tolerance(W±0.1mm) x (H±0.1mm) x (L±0.2mm)
Angle ToleranceΔθ<0.5°, ΔΦ<0.5°
Surface Quality20/10 Scratch and Dig
Clear Aperture>90% central
Surface Flatness<λ/8@633nm
Wavefront Distortion<λ/4@633nm
Parallelism<20 arc seconds
Perpendicularity<5 arc minutes
Chamfer<0.1mmx45°

Standard Products of BBO crystals:

PN.

Dimension

(mm)

Length

(mm)

θ(Deg)

φ(Deg)

CoatingApplication
BBO447/22.8/0/SHG1064-4X4722.80AR/AR@1064&532nmSHG@1064, TypeⅠ
BBO447/47.6/0/4HG1064-4X4747.60AR/AR@532&266nm4HG@1064,TypeⅠ
BBO4410/22.8/0/SHG1064-4X41022.80AR/AR@1064&532nmSHG@1064, TypeⅠ
BBO4410/47.6/0/4HG1064-4X41047.60AR/AR@532&266nm4HG@1064, TypeⅠ
BBO551/29.2/0/SHG800-5X5129.20AR/AR@800&400nmSHG@800, TypeⅠ
BBO550305/29.2/0/SHG800-5X50.3-0.529.20AR/AR@800&400nmSHG@800, TypeⅠ

Physical and Optical Properties of BBO crystals:

Crystal Structuretrigonal, space group R3c
Cell Parametersa=b=12.532&Aring;, c=12.717&Aring;, Z=6
Melting Point1095±5oC
Transition Temperature925±5oC
Optical Homogeneity10-6/cm
Mohs Hardness4.5
Density3.85g/cm3
Linear Absorption Coefficient<0.1%/cm (at 1064 nm)
Hygroscopic Susceptibilitylow
Resistivity>1011 ohm/cm
Relative Dielectric ConstanteT11/e0: 6.7, eT33/e0: 8.1
Tan d,<0.001
Thermal Expansion Coefficients(in the range of 25-900℃)⊥c, 4 x 10-6/K; ||c, 36 x 10-6/K
Thermal Conductivity⊥c, 1.2 W/m/K; ||c, 1.6 W/m/K
Transparency Range189-3500nm
Therm-Optic Coefficientsdno/dT=-9.3x10-6/0C; dne/dT=-16.6x10-6/0C
NLO coefficientsd11 =5.8 x d36(KDP)
d31 = 0.05 x d11, d22<0.05 x d11
Electro-Optic Coefficientsg11=2.7 pm/V, g22, g31<0.1 g11
Half-Wave Voltage48 KV (at 1064nm)
Phase-matchable SHG range189-1750nm
Damage Threshold@1.064um5 GW/cm2 (10 ns); 10 GW/cm2 (1.3 ns)
@0.532um1 GW/cm2 (10 ns); 7 GW/cm2 (250 ps)
@0.266um120 MW/cm2 (8ns)
Sellmeier Equations(λ in um)no2(λ) = 2.7359+0.01878/(λ2-0.01822)-0.01354λ2
ne2(λ) = 2.3753+0.01224/(λ2-0.01667)-0.01516λ2


Standard Parameter for Different Application:

Harmonic generations of Nd:YAG lasers
1064nm SHG-> 532nm4x4x7mmType I, Theta=22.8deg, Phi=0deg
1064nm THG-> 355nm4x4x7mmType I, Theta=31.3deg, Phi=0deg
1064nm THG-> 355nm4x4x7mmType II, Theta=38.6deg, Phi=30deg
1064nm 4HG-> 266nm4x4x7mmType I, Theta=47.6deg, Phi=0deg
1064nm 5HG-> 213nm4x4x7mmType I, Theta=51.1deg, Phi=0deg
OPO and OPA pumped by harmonics of Nd:YAG lasers
532nm Pump-> 680-2600nm4x4x12mmType I, Theta=21deg, Phi=0deg
355nm Pump-> 410-2600nm6x4x12mmType I, Theta=30deg, Phi=0deg
355nm Pump-> 410-2600nm7x4x15mmType II, Theta=37deg, Phi=30deg
266nm Pump-> 295-2600nm6x4x12mmType I, Theta=39deg, Phi=0deg
Frequency doubling of dye lasers
670-530nm SHG-> 355-260nm8x4x7mmType I, Theta=40deg, Phi=0deg
600-440nm SHG-> 300-220nm8x4x7mmType I, Theta=55deg, Phi=0deg
444-410nm SHG-> 222-205nm8x4x7mmType I, Theta=80deg, Phi=0deg
Harmonic generations of Ti:Sapphire lasers
700-1000nm SHG-> 350-500nm7x4x7mmType I, Theta=28deg, Phi=0deg
700-1000nm THG->240-330nm8x4x7mmType I, Theta=42deg, Phi=0deg
700-1000nm FHG-> 210-240nm8x4x7mmType I, Theta=66deg, Phi=0deg
Frequency doubling and tripling of Alexandrite lasers
720-800nm SHG-> 360-400nm4x4x7mmType I, Theta=31deg, Phi=0deg
720-800nm THG-> 240-265nm4x4x7mmType I, Theta=48deg, Phi=0deg
Intracavity SHG of Ar+ laser with Brewster angle cut BBO
514nm SHG-> 257nm4x4x7mmType I, Theta=51deg, Phi=0deg
488nm SHG-> 244nm4x4x7mmType I, Theta=55deg, Phi=0deg


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