BBO Nonlinear Crystal

BBO Nonlinear Crystal

β-BaB2O4 (BBO, Barium Metaborate) is a widely used nonlinear crystal for frequency conversion in the UV, visible and NIR. It has the following characteristics:

  • large birefringence
  • Low dispersion
  • High damage threshold
  • Wide phase-matching range
  • Good temperature stability
  • Large nonlinear optical effects
  • A frequency multiplication factor six times higher than that of KDP crystals

BBO nonlinear crystal can be used in high, precise and advanced laser technology fields of research and development. These fields include all-solid-state tunable laser, ultrafast pulsed laser, deep ultraviolet Laser, etc. It is also used for the following purposes:

  • Nd:YAG and Nd:YLF lasers for frequency doubling
  • Tripling and mixing of dye lasers
  • Ti:Sappire and Alexandrite lasers for frequency doubling
  • Tripling and quadrupling
  • Optical parametric amplifiers (OPA)
  • Optical parametric oscillators (OPO)
  • Argon ion, ruby, and Cu vapor lasers for frequency doubling

The features of BBO nonlinear crystal:

  • Good physical properties
  • Appropriate mechanical properties
  • Temperature bandwidth about 55 °C
  • High optical uniformity: δn≈10-6/cm
  • Transmission range from 190 nm to 3500 nm
  • Phase matching range from 6 nm to 3500 nm
  • Large effective SHG (second harmonic generation) coefficient
  • 100 ps pulse damage threshold of 10 J/cm2 at 1064 nm

FOR TI:SAPPHIRE LASER SHG@800 nm, Type 1

ModelSize(mm3θ(°)φ(°)CoatingPulse WidthBracketDelivery
BBO-06005-S-800P6×6×0.0529.290P/P@400-800 nm on UVFS substrate 10*10*2 10fsYesRequest
BBO-10005-S-800P10×10×0.0529.290P/P@400-800 nm on UVFS substrate 12*12*2 10fsYesRequest
BBO-0601-S-800P6×6×0.129.290P/P@400-800 nm20fsYesRequest
BBO-0801-S-800P8×8×0.129.290P/P@400-800 nm20fsYesRequest
BBO-1001-S-800P10×10×0.129.290P/P@400-800 nm20fsYesRequest
BBO-1201-S-800P12×12×0.129.290P/P@400-800 nm20fsYesRequest
BBO-1501-S-800P15×15×0.129.290P/P@400-800 nm20fsYesRequest
BBO-2001-S-800P20×20×0.129.290P/P@400-800 nm20fsYesRequest
BBO-2201-S-800P22×22×0.129.290P/P@400-800 nm20fsYesRequest
BBO-0602-S-800P6×6×0.229.290P/P@400-800 nm50fsYesRequest
BBO-0802-S-800P8×8×0.229.290P/P@400-800 nm50fsYesRequest
BBO-1002-S-800P10×10×0.229.290P/P@400-800 nm50fsYesRequest
BBO-1202-S-800P12×12×0.229.290P/P@400-800 nm50fsYesRequest
BBO-1502-S-800P15×15×0.229.290P/P@400-800 nm50fsYesRequest
BBO-2002-S-800P20×20×0.229.290P/P@400-800 nm50fsYesRequest
BBO-2202-S-800P22×22×0.229.290P/P@400-800 nm50fsYesRequest
BBO-0605-S-800P6×6×0.529.290P/P@400-800 nm100fsYesRequest
BBO-0805-S-800P8×8×0.529.290P/P@400-800 nm100fsYesRequest
BBO-1005-S-800P10×10×0.529.290P/P@400-800 nm100fsYesRequest
BBO-1205-S-800P12×12×0.529.290P/P@400-800 nm100fsYesRequest
BBO-1505-S-800P15×15×0.529.290P/P@400-800 nm100fsYesRequest
BBO-2005-S-800P20×20×0.529.290P/P@400-800 nm100fsYesRequest
BBO-2205-S-800P22×22×0.529.290P/P@400-800 nm100fsYesRequest
BBO-0610-S-800P6×6×129.290P/P@400-800 nm200fsYesRequest
BBO-0810-S-800P8×8×129.290P/P@400-800 nm200fsYesRequest
BBO-1010-S-800P10×10×129.290P/P@400-800 nm200fsYesRequest
BBO-1210-S-800P12×12×129.290P/P@400-800 nm200fsYesRequest
BBO-1510-S-800P15×15×129.290P/P@400-800 nm200fsYesRequest
BBO-2010-S-800P20×20×129.290P/P@400-800 nm200fsYesRequest
BBO-2210-S-800P22×22×129.290P/P@400-800 nm200fsYesRequest
BBO-0620-S-800P6×6×229.290P/P@400-800 nm/YesRequest
BBO-0620-O-800P6×6×231.590P/P@400-800 nm/YesRequest
BBO-0820-S-800P8×8×229.290P/P@400-800 nm/YesRequest
BBO-1020-S-800P10×10×229.290P/P@400-800 nm/YesRequest
BBO-1220-S-800P12×12×229.290P/P@400-800 nm/YesRequest
BBO-1520-S-800P15×15×229.290P/P@400-800 nm/YesRequest
BBO-2020-S-800P20×20×229.290P/P@400-800 nm/YesRequest
BBO-2220-S-800P22×22×229.290P/P@400-800 nm/YesRequest
BBO-0805-T-800P8×8×0.544.390P/P@400-800/266/YesRequest

FOR YB:KGW/KYW LASER SHG@1030 nm, Type 1

ModelSize(mm3θ(°)φ(°)CoatingPulse WidthBracketDelivery
BBO-0803-S-1030P8×8×0.323.490P/P@515-1030 nmYesRequest
BBO-0605-S-1030AR6×6×0.523.490AR/AR@515+1030 nm50fsYesRequest
BBO-1005-S-1030AR10×10×0.523.490AR/AR@515+1030 nm50 fsYesRequest
BBO-0808-S-1030AR8×8×0.823.490AR/AR@515+1030 nmYesRequest
BBO-0610-S-1030AR6×6×123.490AR/AR@515+1030 nm100 fsYesRequest
BBO-1010-S-1030AR10×10×123.490AR/AR@515+1030 nm100 fsYesRequest
BBO-0615-S-1030AR6×6×1.523.490AR/AR@515+1030 nm150fsYesRequest
BBO-0615-S-1030P6×6×1.52390P/P@515-1030 nm150fsYesRequest
BBO-1015-S-1030AR10×10×1.523.490AR/AR@515+1030 nm150 fsYesRequest
BBO-0620-S-1030AR6×6×223.490AR/AR@515+1030 nm200fsYesRequest
BBO-0820-S-1030AR8×8×223.490AR/AR@515+1030 nm200fsYesRequest
BBO-1020-S-1030AR10×10×223.490AR/AR@515+1030 nm200 fsYesRequest
BBO-0630-S-1030AR6×6×323.490AR/AR@515+1030 nm300 fsYes

FOR TI:SAPPHIRE LASER THG@800 nm, Type 1

ModelSize(mm3θ(°)φ(°)CoatingPulse WidthBracketDelivery
BBO-06001-T-800P6×6×0.0144.390P/P@400-800/266 nm on UVFS substrate 10*10*2 10fsYesRequest
BBO-06001-T-800P8×8×0.0144.390P/P@400-800/266 nm on UVFS substrate 10*10*2 10fsYesRequest
BBO-06001-T-800P10×10×0.0144.390P/P@400-800/266 nm on UVFS substrate 12*12*2 10fsYesRequest
BBO-06002-T-800P6×6×0.0244.390P/P@400-800/266 nm on UVFS substrate 10*10*2 20fsYesRequest
BBO-06002-T-800P8×8×0.0244.390P/P@400-800/266 nm on UVFS substrate 10*10*2 20fsYesRequest
BBO-06002-T-800P10×10×0.0244.390P/P@400-800/266 nm on UVFS substrate 12*12*2 20fsYesRequest
BBO-06005-T-800P6×6×0.0544.390P/P@400-800/266 nm on UVFS substrate 10*10*2 50fsYesRequest
BBO-06005-T-800P8×8×0.0544.390P/P@400-800/266 nm on UVFS substrate 10*10*2 50fsYesRequest
BBO-06005-T-800P10×10×0.0544.390P/P@400-800/266 nm on UVFS substrate 12*12*2 50fsYesRequest
BBO-0601-T-800P6×6×0.144.390P/P@400-800/266100fsYesRequest
BBO-0801-T-800P8×8×0.144.390P/P@400-800/266100fsYesRequest
BBO-1001-T-800P10×10×0.144.390P/P@400-800/266100fsYesRequest
BBO-1201-T-800P12×12×0.144.390P/P@400-800/266100fsYesRequest
BBO-1501-T-800P15×15×0.144.390P/P@400-800/266100fsYesRequest
BBO-2001-T-800P20×20×0.144.390P/P@400-800/266100fsYesRequest
BBO-2201-T-800P22×22×0.144.390P/P@400-800/266100fsYesRequest
BBO-0602-T-800P6×6×0.244.390P/P@400-800/266200fsYesRequest
BBO-0802-T-800P8×8×0.244.390P/P@400-800/266200fsYesRequest
BBO-1002-T-800P10×10×0.244.390P/P@400-800/266200fsYesRequest
BBO-1202-T-800P12×12×0.244.390P/P@400-800/266200fsYesRequest
BBO-1502-T-800P15×15×0.244.390P/P@400-800/266200fsYesRequest
BBO-2002-T-800P20×20×0.244.390P/P@400-800/266200fsYesRequest
BBO-2202-T-800P22×22×0.244.390P/P@400-800/266200fsYesRequest
BBO-0605-T-800P6×6×0.544.390P/P@400-800/266/YesRequest
BBO-0805-T-800P8×8×0.544.390P/P@400-800/266/YesRequest
BBO-1005-T-800P10×10×0.544.390P/P@400-800/266/YesRequest
BBO-1205-T-800P12×12×0.544.390P/P@400-800/266/YesRequest
BBO-1505-T-800P15×15×0.544.390P/P@400-800/266/YesRequest
BBO-2005-T-800P20×20×0.544.390P/P@400-800/266/YesRequest
BBO-2205-T-800P22×22×0.544.390P/P@400-800/266/YesRequest
BBO-0610-T-800P6×6×144.390P/P@400-800/266/YesRequest
BBO-0810-T-800P8×8×144.390P/P@400-800/266/YesRequest
BBO-1010-T-800P10×10×144.390P/P@400-800/266/YesRequest
BBO-1210-T-800P12×12×144.390P/P@400-800/266/YesRequest
BBO-1510-T-800P15×15×144.390P/P@400-800/266/YesRequest
BBO-2010-T-800P20×20×144.390P/P@400-800/266/YesRequest
BBO-2210-T-800P22×22×144.390P/P@400-800/266/YesRequest

FOR YB:KGW/KYW LASER THG@1030 nm, Type 1

ModelSize(mm3θ(°)φ(°)CoatingPulse WidthBracketDelivery
BBO-06015-T-1030P6×6×0.1532.590P/P@515-1030/343 nm50 fsYesRequest
BBO-06025-T-1030P6×6×0.2532.590P/P@515-1030/343 nm100 fsYesRequest
BBO-0604-T-1030P6×6×0.432.590P/P@515-1030/343 nm150 fsYesRequest
BBO-06055-T-1030P6×6×0.5532.590P/P@515-1030/343 nm200 fsYesRequest

FOR YB:KGW/KYW LASER 4HG@1030 nm, Type 1

ModelSize(mm3θ(°)φ(°)CoatingPulse WidthBracketDelivery
BBO-0601-4-515P6×6×0.15090P/P@515/257 nm50 fsYesRequest
BBO-06015-4-515P6×6×0.155090P/P@515/257 nm100 fsYesRequest
BBO-0602-4-515P6×6×0.25090P/P@515/257 nm150 fsYesRequest
BBO-0603-4-515P6×6×0.35090P/P@515/257 nm200 fsYesRequest

BBO 4HG@1064 nm,Type 1

ModelSize(mm3θ(°)φ(°)CoatingBracketDelivery
BBO-0760-4-1064P7×7×647.690P/P@532/266 nmYesRequest

Type 1 Phase Matching, OPA

ModelSize(mm3θ(°)CoatingBracketDelivery
BBO-0520-O-1030P5×5×221.3AR@1030nm&1800- 2250nmYesRequest
BBO-0520-O-1030P5×5×321.3AR@1030nm&1800- 2250nmYesRequest
BBO-0650-O-1030P6×6×520.1Protective AR@1030nm
(R<1%)& VIS 1700nm-2300nm (R<5%)
YesRequest
BBO-0820-O-1030P8×8×220.1Protective AR@1030nm
(R<1%)& VIS 1700nm-2300nm (R<5%)
YesRequest
BBO-0830-O-515P8×8×322P/P coating AR@515nmYesRequest
BBO-0840-O-1030P8×8×420.1Protective AR@1030nm
(R<1%)& VIS 1700nm-2300nm (R<5%)
YesRequest
BBO-0840-O-515P8×8×422P/P coating AR@515nmYesRequest
BBO-0850-O-515P8×8×522P/P coating AR@515nmYesRequest
BBO-1020-O-103010×10×221.3AR@1030nm&1800- 2250nmYesRequest
BBO-1030-O-103010×10×321.3AR@1030nm&1800- 2250nmYesRequest

Type 2 Phase Matching, OPA

ModelSize(mm3θ(°)CoatingBracketDelivery
BBO-0806-O-800P-II8×8×0.630P/P@750-1500 nmYesRequest
BBO-0601-O-1030P-II6×6×0.146P/P@400-1040/300-500 nmYesRequest

Physical and Chemical Properties

AttributeNumerical
Chemical FormulaBaB2O4
Crystal StructureTrigonal System, 3m
Lattice Parametersa=b=12.532Å,c=12.717Å, Z=6
Mass Density3.85 g/cm3
Mohs Hardness4
Melting PointAbout1095°C
Coefficient of Thermal Conductivity1.2 W/m/K (⊥c); 1.6 W/m/K (//c)
Coefficient of Thermal Expansionα,4×10-6/K; c,36×10-6/K
BirefringenceNegative Uniaxial

Nonlinear Optical Properties

AttributeNumerical
SHG Phase Matching Range409.6 ∼3500nm (Type I); 525 ∼3500nm (TypeII)
NLO Coefficientd11= 5.8 x d36(KDP); d31 = 0.05 x d11; d22< 0.05 x d11
deff(I)=d31sinθ+ (d11cos3φ – d22sin3φ)cosθ
deff(II)=(d11sin3φ+ d22cos3θ)cos2θ
Thermal Coefficient of Lightdno/dT = – 9.3 x 10-6/C
dne/dT = -16.6 x 10-6/C
Electro-optic Coefficientg11= 2.7 pm/V, g22, g31< 0.1 g11
Half-wave Voltage48 KV (at 1064 nm)
1.064μm5 GW/cm2 (10 ns); 10 GW/cm2 (1.3 ns)
0.532μm1 GW/cm2 (10 ns); 7 GW/cm2 (250 ps)

Linear Optical Properties

AttributeNumerical
Transparent Range189 – 3500 nm
Absorption Coefficientα<0.1%/cm @1064nm
At 1.0642μmne = 1.5425, no = 1.6551
At 0.5321μmne = 1.5555, no = 1.6749
At 0.2660 μmne = 1.6146, no = 1.7571
Sellmeier Equation(λinμm)no2(λ) = 2.7359+0.01878/(λ2-0.01822)-0.01354λ2
ne2(λ) = 2.3753+0.01224/(λ2-0.01667)-0.01516λ2

The experimental value of the internal Angle of the bandwidth when T=293K

Interaction Wavelength [μm]θpm [deg]Δθint [deg]
SHG, o+o ⇒e
1.0642⇒0.532122.80.021
22.70.03
0.5321⇒0.2660547.30.01
0.53⇒0.26547.6(298K)0.006
SFG, o+o ⇒ e
1.0641+0.53205⇒0.354731.30.011
1.0642+0.5321⇒0.3547331.10.015
2.44702+0.5712⇒0.463122.10.026
2.68823+0.5712⇒0.471121.80.028
SHG, e+o ⇒e
1.0642⇒0.532132.70.034
32.40.046
SFG, e+o ⇒e
1.0642+0.5321⇒0.3547338.40.02
SFG, o+e ⇒e
1.0642+0.5321⇒0.3547358.40.05

Experimental Value of Phase Matching Angle (T=293K)

Interaction Wavelength[μm]θexp [deg]
SHG, o+o ⇒ e
0.4096⇒0.204890
0.41⇒0.2090
0.41152⇒0.2057682.8
0.41546⇒0.2077379.2
0.418⇒0.20977.3
0.429⇒0.214571
0.4765⇒0.2382557
0.488⇒0.24454.5
0.4965⇒0.2482552.5
0.5106⇒0.255350/50.6
0.5145⇒0.2572549.5
0.5321⇒0.2660547.3/47.5/47.6/48
0.589⇒0.294541.5
0.604⇒0.30240
0.6156⇒0.307839
0.616⇒0.30838
0.70946⇒0.3547332.9/33/33.1/33.3/33.7
0.78⇒0.3931/30
0.8⇒0.426.5
0.946⇒0.47324.9
1.0642⇒0.532122.7/22.8
SFG, o+o ⇒ e
0.73865+0.25725⇒0.190881.7
0.72747+0.26325⇒0.193376
0.5922+0.2961⇒0.197488
0.5964+0.2982⇒0.198882.5
0.5991+0.29955⇒0.199780
0.60465+0.30233⇒0.2015576.2
0.5321+0.32561⇒>0.20283.9
0.6099+0.30495⇒0.203373.5
0.5321+0.34691⇒0.2171.9
0.7736+0.25787⇒0.193470.7
0.5321+0.35473⇒0.2128470
0.51567+0.38675⇒0.22164.7
0.804+0.268⇒0.20164
0.75+0.375⇒0.2561.7
1.0642+0.26605⇒0.2128451.1
0.78+0.373⇒0.252347.4
1.0642+0.298⇒0.2328146.1
0.5782+0.5106⇒0.2711546
0.59099+0.5321⇒0.2844.7
0.78+0.43⇒0.277243.4
1.0642+0.35473⇒0.2660540.2
1.0641+0.53205⇒0.354731.3
1.0642+0.5321⇒0.3547331.1/31.3/31.4
2.68823+0.5712⇒0.471121.8
1.41831+1.0642⇒0.60821
SHG, e+o ⇒ e
0.5321⇒0.2660581
0.70946⇒0.3547348/48.1
1.0642⇒0.532131.6/32.4/32.7/32.9
SFG, e+o ⇒ e
1.0642+0.35473⇒0.2660546.6
1.0642+0.5321⇒0.3547338.4/38.5
SFG, o+e ⇒ e
1.0642+0.5321⇒0.3547359.8

Spectra

Nonlinear crystal BBO transmission spectrumthe SHG tuning curve of BBO
BBO Transmission SpectrumThe SHG Tuning Curve of BBO
BBO's opo tuning curves type I ooe under different pump lamps 530nm,355nm and 266nmBBOs opo tuning curve type II eoe under different pump lamps 530 nm 355 nm and 266 nm
BBO's OPO tuning curves type I OOE under different pump lamps, 53nm,355nm and 266nmBBO's OPO tuning curve type II EOE under different pump lamps 530 nm 355 nm and 266 nm

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