Beta barium borate bbo bab2o4

what's β-BaB2O4 (BBO)? where's beta barium borate single crystals? how to buy nonlinear optical β-BaB2O4 (BBO) crystal?

LiTaO3,LiNbO3,KTP, YVO4, YAG,TeO2, GGG,TGG, BBO,LBO, YLF,GdVO4, KGW

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titanium doped sapphire

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lithium tantalate (LiTaO3)

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lithium niobate (LiNbO3)

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kalium titanyl phosphate (KTP)

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yttrium orthovanadate (YVO4)

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Nd:Y3Al5O12 (Nd:YAG)

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terbium gallium garnet (TGG)

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lithium triborate(LBO)

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Nd:yttrium lithium fluoride

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gadolinium vanadate

what's β-BaB2O4 (BBO)? where's beta barium borate single crystals? how to buy nonlinear optical β-BaB2O4 (BBO) crystal?

DFNano® supplier of beta barium borate single crystals; manufacturer of nonlinear optical β-BaB2O4 (BBO) crystal in china. what's β-BaB2O4 (BBO) crystals?

BBO is a nonlinear optical crystal with combination of number of unique features.

Wide transparency and phase matching ranges, large nonlinear coefficient, high damage threshold and excellent optical homogeneity provide attractive possibilities for various nonlinear optical applications Beta-BBO crystal, known as BBO, is one of the best non-linear optical crystals with high effective nonlinear optical coefficient, high damage threshold, wide phase matching range and high deep UV transmittance. BBO is the foremost SHG crystal for Ti:Sapphire lasers. With very good mechanical strength, BBO flakes can be as thin as 5 microns, which is ideal for ultra-short-pulse systems.

beta barium borate β-BaB2O4 (BBO) crystals parameters

beta barium borate β-BaB2O4 (BBO) crystals

(GdVO4) ●

Nd:KGd(WO4)2(Nd:KGW)

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germanium(Ge) wafer

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β-BaB2O4 (β-BBO)

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Crystal Structure

trigonal, space group R3c

Cell Parameters

a = b = 12.532A, c = 12.717A, Z = 6

Melting Point

1095 +/-5°C

Transition Temperature

925 +/-5°C

Optical Homogeneity

D n ≈10 -6 /cm

Mohs Hardness

4.5

Density

3.85 g/cm 3

Absorption Coefficient

< 0.1%/cm (at 1064 nm)

Hygroscopic Susceptibility

low

Resistivity

> 1011 ohm-cm

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what's β-BaB2O4 (BBO)? where's beta barium borate single crystals? how to buy nonlinear optical β-BaB2O4 (BBO) crystal?

Relative Dielectric Constant

e T 11 / e 0 : 6.7, e T 33 /e 0 : 8.1 Tan d , < 0.001

hermal Expansion Coefficients(in the range of 25°C- 900°C

a, 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

Phase-matchable SHG range

205nm-1750nm

NLO coefficients

d 11 = 5.8 x d36(KDP) d 11 = 0.05 x d 11 , d 22 < 0.05 x d 11

Electro-Optic Coefficients

g 11 = 2.7 pm/V, g 22 , g 31 < 0.1 g 11

Damage Threshold at 1.064 mm at 0.532 mm

5 GW/cm 2 (10 ns); 10 GW/cm 2 (1.3 ns)1 GW/cm 2 (10 ns); 7 GW/cm 2 (250 ps)

Transparency Range

189 - 3500 nm

Refractive Indices at 1.0642 μm at 0.5321 μm at 0.2660 μm

ne = 1.5555, no = 1.6749

ne = 1.5425, no = 1.6551 ne = 1.6146, no = 1.7571 dno /dT = - 9.3 x 10-6/℃

Therm-Optic Coefficients

dne /dT = -16.6 x 10 -6 /℃ no2 (λ) = 2.7359+0.01878/(λ 2 -0.01822)0.01354 λ 2 ne2 (λ) = 2.3753+0.01224/(λ 2 -0.01667)-

Sellmeier Equations:

0.01516 lλ2 Flank Size(W*H)

1×1~15×15

Length(L)

0.05~20mm

Phase Matching Angle(θ,φ)

Angel or according to customer request

Match Type

type I or type II

Angle Tolerance

Δθ<±0.2°; Δφ<±0.2°

Size Tolerance

(W ±0.1mm) x (H ±0.1mm) x (L +0.2mm/0.1mm)

Flatness

<λ/8 @ 633nm

Smooth Finish:

20/10

Parallelism

30"

Perpendicularity:

<10'

Wavefront Distortion:

<λ/8 @ 633nm

Clear Aperture:

> 90%

Coating

P-coating or according to customer request Total

34 beta barium borate β-BaB2O4 (BBO) crystals

For frequency conversions of ultrafast lasers, one of the main concerns is pulse broadening induced by group velocity mismatch between the input pulses and the generated pulse in an NLO crystal. In order to avoid pulse broadening, the thickness of the crystal should not exceed the maximum length as defined by the pulsewidth divided by the inversed group velocity mismatch . The table below lists the Lmax for second harmonic generation and sum frequency generation (SFG) of 10 fs pulses at the wavelength range of a Ti:Sapphire laser, the most popular ultrafast laser. http://what-is-nanotechnology.com/13beta-barium-borate-BBO-BaB2O4.htm（第 2／3 页）[2015-12-4 15:23:11]

what's β-BaB2O4 (BBO)? where's beta barium borate single crystals? how to buy nonlinear optical β-BaB2O4 (BBO) crystal?

These features of nonlinear BBO crystal includes wide transparency and phase matching ranges, large nonlinear coefficient, high damage threshold and excellent optical homogeneity. Therefore, BBO provides an attractive solution for various non-linear optical applications like OPO, OPA, OPCPA and other. As a result of large thermal acceptance bandwidth, high damage threshold and small absorption BBO well suits for frequency conversion of high peak or average power laser radiation. The large spectral transmission range as well as phase matching, especially in UV range, makes BBO perfectly suitable for frequency doubling of dye, Arion and Copper vapour laser radiation, effective cascade harmonic generation of wide spread Nd:YAG as well as of Ti:Sapphire and Alexandrite laser radiation.

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