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NLO Crystals

 

CRYLIGHT社製 NLO Crystals

 

 

 

 

 

 

 

 

 

各モデルの抜粋仕様を下記から確認いただけます。

 

 

 

 

 

LBO CrystalKDP-DKDP CrystalLiNbO3 and MgO-LiNbO3 CrystalKTP CrystalBIBO CrystalBBO Crystal

LBO Crystal

Features
Lithium Triborate LiB305 or LBO is a newly developed nolinear optical crystal.It is unique in many aspects,especially its wide transparency range,mechanical properties.Its transmission range is from 0.21?/im to 2.3 ?/im.LBO Crystal allows temperature-controllable non-critical phase-matching(NCPM) for 1.0-1.3?/im.Type I SHG ,and also provides room temperature NCPM for typeII SHG at 0.8-1.1?/im.It possesses a relativey(dn?0-6/cm) and being free of inclusion Relatively largequality requirements for sours lasers.Features:Broad transparency range from 160nm to 2600nm High optical homogeneity(dn?0-6/cm) and being freeof inclusion Relatively large effective SHG coeffcient(about three times that of KDP) High damage threshold(18.9GW/cm2 for a 1.3ns laser at 1053nm)Wide acceptance angle and small walk-off Type I and Type II non-critical phase matching(NCPM) in a wide wavelength range Spectral.

The presentation of LBO Crystal
Lithium Triborate LiB305or LBO is a newly developed nonlinear optical crystal.It is unique in many aspects,especially its wide transprency range,moderately high nonlinear coupling,high damage threshold and good chemical and mechanical properties.Its transmission range is from 0.21>mto 2.3 >m.Type I SHG ,and also provides room temperature NCPM fro Type II SHG at 0.8-1.1>m.iIt possesses a relatively large angular acceptance bandwidth,reducing the beam quality requirements for source lasers.

LBO Crystal Features :
1 Broad transparency range from 160nm to 2600nm (SHG range from 550nm to 2600nm).
2 Type I and type II non-critical phase-matching (NCPM) over a wide wavelength range.
3 Relatively large effective SHG coefficient (about three times larger than that of KDP)
4 High damage threshold (18.9 GW/cmfor a 1.3ns laser at 1054nm).

1 Wide acceptance angle and small walk-off. 
2 High optical quality (homogeneity Dn≈ 10-6/cm) and free of inclusion.

LBO Crystal Applications:
1 High power Nd:YAG and Nd:YLF lasers for R&D and military applications.
2 Ti:Sapphire, Alexandrite and Cr:LiSAF lasers. 
3 Medical and industrial Nd:YAG lasers.
4 Diode laser pumped Nd:YVO4, Nd:YAG and Nd:YLF lasers. 
5 Frequency-tripling (THG) of Nd:YAG and Nd:YLF lasers.
6 Optical parametric amplifiers (OPA) and oscillators (OPO) pumped by Excimer lasers and harmonics of Nd:YAG lasers.
7 Frequency doubling (SHG) and tripling (THG) of high power Nd:YAP laser at 1340nm.

CryLightoffers:
8 Strict quality control. 
9 Large crystal with size up to 10x10x30 mm3 and maximum length of 35 mm.
u AR-coatings, mounts and repolishing services. 
10 Strong technical support.
11 Mass production line to support OEM applications.
12 Unbeatable prices and special OEM discount.
13 Fast delivery, in-stock crystals in a large quantity.
14 Precision oven and temperature controller for NCPM SHG.

 
Specifications
Table 1. Chemical and Structural properties

Crystal Structure Orthorhombic, Space group Pna21, Point group mm2
Lattice Parameter a=8.4473Å, b=7.3788Å , c=5.1395Å , Z=2
Melting Point About 834℃
Mohs Hardness 6
Density 2.47 g/cm3
Thermal Conductivity 3.5W/m/K
Thermal Expansion Coefficient ax=10.8×10-5/K, ay= -8.8×10-5/K, az=3.4×10-5/K

Transparency Range 160-2600nm
SHG Phase Matchable Range 551 ~ 2600nm(Type I)790-2150nm (Type II)
Therm-optic Coefficient(°C, l in μm) dnx/dT=-9.3X10-6
dny/dT=-13.6X10-6
dnz/dT=(-6.3-2.1l)X10-6
Absorption Coefficient <0.1%/cm at 1064nm<0.3%/cm at 532nm
Angle Acceptance 6.54mrad-cm(φ, Type I,1064 SHG)
15.27mrad-cm(q, Type II,1064 SHG)
Temperature Acceptance 4.7°C-cm(Type I, 1064 SHG)
7.5°C-cm nbsp; (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 I1064 SHG)
0.12° (Type II1064 SHG)
NLO Coefficient deff(I)=d32cosφ(Type Iin XY plane)
deff(I)=d31cos2θ+d32sin2θ(Type Iin 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
SellmeierEquations(λ in μm) nx2=2.454140+0.011249/(λ2-0.011350)-0.014591λ2-6.60×10-5λ4
ny2=2.539070+0.012711/(λ2-0.012523)-0.018540λ2+2.0×10-4λ4
nz2=2.586179+0.013099/(λ2-0.011893)-0.017968λ2-2.26×10-4λ4

Table 2. Optical and Nonlinear Optical Properties 
AR-Coatings 
   CryLightprovides the following AR-coatings: 
1. Dual-band AR-coating of LBO for SHG of Nd:YAG lasers.
◇Low reflectance
◇( < 0.1% at 1064nm and < 0.25% at 532nm); 
◇High damage threshold
◇( > 500 MW/cm2 at both wavelengths);
◇Long durability.
2. Broad Band AR-coating for frequency doubling Ti:Sapphire laser. 
3. Other coatings are available upon request. 

CryLight’S Warranty on LBO Specifications

Transmitting wavefront distortion less thanl/8 @ 633nm
Dimension tolerance (W± 0.1 mm) x (H± 0.1 mm) x (L + 0.2 mm/-0.1 mm)
Clear aperture central 80% diameter
No visible scattering paths or centers when inspected by a 30 mW green laser
Flatness l/8 @ 633nm
Surface Quality 10/5 Scratch/Dig to MIL-O-13830A
Parallelism better than 20 arc seconds
Perpendicularity 15 arc minutes
Angle tolerance Dq < ±0.5o,Df <± 0.5o
Damage threshokd:
15 GW/cm2 for a TEMoo mode, 1.3 ns, 1 Hz laser at 1.064mm
1 GW/cm2 for a cw, mode-locked laser at 1064nm
Quality warranty period one year under proper use

NOTE
1. LBO has a very low susceptibility to moisture. Users are advised to provide dry conditions for both use and preservation of LBO.
2. Users are advised to cautiously protect polished surfaces of LBO.
3. CryLightengineers can select and design the best crystal for you if parameters of your laser are provided, for example, energy per pulse, pulse width and repetition rate for a pulsed laser, power for a cw laser, laser beam diameter, mode condition, divergence, wavelength tuning range, etc.
4. CryLightprovides mounts and sealed housing for LBO crystals.

ピーク感度 直径 波長域(nm) 内蔵APDモデル Band Width Model
905nm 500μm 400-1000  SAR500 DC-1MHz A-CUBE-S500-01
DC-3MHz A-CUBE-S500-03
DC-10MHz A-CUBE-S500-10
DC-25MHz A-CUBE-S500-25
0.01-100MHz A-CUBE-S500-100
0.01-240MHz A-CUBE-S500-240

KDP-DKDP Crystal

 
Features
Potassium Dihydrogen Phosphate (KDP) and Potassium Dideuterium Phosphate (KD*P ) are among the most widely-used commercial NLO materials. They are commonly used for doubling, tripling and quadrupling of Nd:YAG laser at the room temperature. In addition, they are also excellent electro-optic crystals with high electro-optic coefficients, widely used as electro-optical modulators, Q-switches, and Pockels Cells, etc.
 
Specifications
 
Capabilities:

Width x Length: 1×1 ~ 16x16mm
Lenght: 0.02 ~ 20mm

Specifications:

Angle tolerance: Δθ< ± 0.5°; Δφ< ±0.5°
Dimensional Tolerance: (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
Flatness: <λ/8 at 633nm
Surface Quality: 20/10 Scracth/Dig
Parallelism: < 20 arc seconds
Perpendicularity: < 5 arc minutes
Wavefront Distortion: <λ/8 at 633nm
Clear Aperture: Central 95%
Chamfer: 0.15×45°
Coating: * Protective coating is required to prevent polished surfaces from fogging.
* Anti-reflective coating should be considered if low reflectivity is required.

Properties: 

  KDP KD*P
Chemical Formula KH2PO4 KD2PO4
Transparency Range 200-1500nm 200-1600nm
Nonlinear Coefficients d36=0.44pm/V d36=0.40pm/V
Refractive Index (at 1064nm) no=1.4938, ne=1.4599 No=1.4948, ne=1.4554
Electro-Optical Coefficients r41=8.8pm/V 
r63=10.3pm/V
r41=8.8pm/V
r63=25pm/V
Longitudinal Half-Wave Voltage: Vp=7.65KV(l=546nm) Vp=2.98KV(l=546nm)
Absorptance: 0.07/cm 0.006/cm
Optical Damage Threshold: >5 GW/cm2 >3 GW/cm2
Extinction Ratio: 30dB 30dB

Sellmeier Equations of KDP:
no= 2.259276 + 0.01008956/(λ2 – 0.012942625) + 13.005522λ2/(λ2 – 400) 
ne= 2.132668 + 0.008637494/(l2 – 0.012281043) + 3.2279924l2/(l2 – 400) 

Sellmeier Equations of DKDP

no= 1.9575544 + 0.2901391/(l2 – 0.0281399) – 0.02824391l+0.004977826l4
ne= 1.5005779 + 0.6276034/(l2 – 0.0131558) – 0.01054063l+0.002243821l4  

LiNbO3 and MgO-LiNbO3 Crystal

Features
LiNbO3(Lithium Niobate) crystal has high mechanical and chemical stability, good physical properties, wide transparency range as well as high optical homogeneity. LiNbO3 crystal is widely used as frequency doublers for wavelength > 1mm and optical parametric oscillators (OPOs) pumped at 1064 nm. Due to its large electro-optic and acousto-optic coefficients, LiNbO3 crystal is the most commonly used material for Pockels Cells, Q-switches and phase modulators, waveguide substrate, and surface acoustic wave(SAW) wafers, etc. High quality and large size LiNbO3crystals, waveguide substrate and SAW wafers are available. MgO:LiNbO3 (Magnesium Oxide Doped Lithium Niobate) crystal has similar effective nonlinear coefficients to pure LiNbO3 and exhibits higher optical damage threshold.
 
Specifications
 
Capabilities:

Aperture: 1-15 x 2-15mm
Lenght: 2 – 50mm
Cutting Angle q and f: Determined by different kinds of homonic generartion
Phase matching type: Type I or Type II

Specifications:

Angle tolerance: Δθ< ± 0.5°; Δφ< ±0.5°
Dimensional Tolerance: (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
Flatness: <λ/8 at 633nm
Surface Quality: 20/10 Scracth/Dig
Parallelism: < 20 arc seconds
Perpendicularity: < 5 arc minutes
Wavefront Distortion: <λ/8 at 633nm
Clear Aperture: Central 95%
Chamfer: 0.15×45°
Coating: * AR @ wavelegth specified by customer

Properties:

Crystal Structure Trigonal, space group R3c
Cell Parameters a = 0.515, c = 13.863, Z = 6
Melting Point 1255 +/-5℃
Curie Point 1140 +/-5℃
Mohs Hardness 5
Density 4.64 g/cm3
Absorption Coefficient ~ 0.1%/cm @ 1064 nm
Solubility: insoluble in H2O
Relative Dielectric Constant eT11/e0: 85
eT33/e0: 29.5
Thermal Expansion Coefficients at 25℃ ||a, 2.0 x 10-6/K @ 25℃
||c, 2.2 x 10-6/K @ 25℃
Thermal Conductivity 38 W /m /K @ 25℃

 

Transparency Range 420 – 5200 nm
Refractive Indices ne = 2.146, no = 2.220 @ 1300 nm
ne = 2.156, no = 2.322 @ 1064 nm
ne = 2.203, no = 2.286 @ 632.8 m
Optical Homogeneity ~ 5 x 10-5 /cm
Sellmeier Equations( l in mm) no2(λ) = 4.9048+0.11768/(λ2 – 0.04750) – 0.027169 λ2
ne2(λ) = 4.5820+0.099169/(λ2– 0.04443) – 0.021950 λ2

 

NLO Coefficients d33 = 34.4 pm/V
d31 = d15 = 5.95 pm/V
d22 = 3.07 pm/V
Electro-Optic Coefficients γT33 = 32 pm/V, γS33 = 31 pm/V
γT31 = 10 pm/V, γS31 = 8.6 pm/V
γT22 = 6.8 pm/V, γS22 = 3.4 pm/V,
Half-Wave Voltage, DC 
Electrical field ||z, light ^ z
Electrical field ||x or y, light || z
3.03 KV 4.02 KV
Damage Threshold 200 MW/cm2 (10 ns)
Efficiency NLO Coefficients deff=5.7pm/V or~14.6xd36(KDP) for frequency doubling 1300 nm;
deff=5.3pm/V or~13.6xd36(KDP) for OPO pumped at 1300nm;
deff=17.6pm/V or~45xd36(KDP) for quasi-phase-matched structure;

 

MgO:LiNbO3

Specification:

Dimensional Tolerance: (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
Flatness: <λ/8 at 633nm
Surface Quality: 20/10 Scracth/Dig
Parallelism: < 20 arc seconds
Perpendicularity: < 5 arc minutes
Wavefront Distortion: <λ/8 at 633nm
Clear Aperture: Central 95%
Chamfer: 0.15×45°
Coating: * AR @ wavelegth specified by customer

Sellmeier Equations:
no2(l) = 4.8762 + 0.11554/(l2 – 0.04674) – 0.033119 x l2/(l in mm) 
no2(l) = 4.5469 + 0.094779/(l2 – 0.044394) – 0.026721 x l2

KTP Crystal

Features
KTP crystal is mostly used as nonlinear crystals for frequency doubling of solid-state Nd:YAG crystal or Nd:YVO4 crystal laser, as it has large nonlinear optical coefficients, wide angular bandwidth and small walk-off angle, broad temperature and spectral bandwidth. KTP crystal also has high electro-optic(E-O) coefficient and low dielectric constant, and large figure of merit, these features make it also widely used in electro-optic application.

Advantages of KTP Crystal
Large Nonlinear Optical (NLO) Coefficients
Wide Angular Bandwidth and Small Walk-off Angle
Broad Temperature and Spectral Bandwidth
High Electro-Optic (E-O) Coefficient and Low Dielectric Constant
Large Figure of Merit for an Optical Waveguide Modulator
Nonhygroscopic, Good Chemical and Mechanical Properties

 
Specifications
 
Capabilities of KTP Crystal:

Aperture: 2×2 ~ 10x10mm
Lenght: 0.1 – 20mm
Cutting Angle q and f: Determined by different kinds of homonic generartion
Phase matching type: Type I or Type II
End Configuration: Plano/Plano or Brewst/Brewst or Specified

 

Specifications of KTP Crystal:

Angle tolerance: Δθ< ± 0.5°; Δφ< ±0.5°
Dimensional Tolerance: (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
Flatness: <λ/8 at 633nm
Surface Quality: 10/5 Scracth/Dig
Parallelism: < 20 arc seconds
Perpendicularity: < 5 arc minutes
Wavefront Distortion: <λ/8 at 632.8nm
Clear Aperture: Central 95%
Chamfer: 0.15×45°
Coating: a) * S1,S2: AR @ 1064 nm R<0.1% & 532nm R<0.25%
b) * S1:HR @ 1064nm R>99.8% & HT@ 808nm T>95% 
       S2:AR @ 1064 nm R<0.1% & 532nm R<0.25%

 

Properties of KTP Crystal:

Crystal structure Orthorhombic, point group mm2
Melting point 1172°C incongruent
Cell parameters a=6.404Ä, b=10.616Ä, c=12.814Ä, Z=8
Curie point 936°C
Mohs hardness ~5
Density 3.01 g/cm3
Color colorless
Hygroscopic susceptibility no
Specific heat 0.1643 cal/g.°C
Thermal conductivity 0.13 W/cm/°K
Electrical conductivity 3.5×10-8 s/cm (c-axis, 22°C, 1KHz)

 

Transmitting range 350nm~4500nm
Refractive indices nx ny nz
1064nm 1.7377 1.7453 1.8297
532nm 1.7780 1.7886 1.8887
Absorption coefficients a < 1%/cm @1.064µ m and 0.532µ m
Phase matchable range 0.984 – 3.4 µ m
Therm-optic coefficients dnx/dT=1.1×10-5/°C, dny/dT=1.3×10-5/oC, dnz/dT=1.6×10-5/°C
Nonlinear optical coefficients d31=2.54pm/V, d32=4.35pm/V, d33=16.9pm/V
d24=3.64pm/V, d15=1.91pm/V at 1.064 mm
deff(II)≈ (d24 – d15)sin2φsin2θ – (d15sin2φ + d24cos2φ)sinθ
Electro-optic coefficients Low frequency(pm/V) High requency(pm/V)
γ13
γ23
γ33
γ51
γ42
9.5
15.7
36.3
7.3
9.3
8.8
13.8
35.0
6.9
8.8
Dielectric constant eeff=13

 

Sellmeier equations of KTP Crystal
nx2=3.0065+0.03901/(λ2-0.04251)-0.01327λ2
ny2=3.0333+0.04154/(λ2-0.04547)-0.01408λ2
nz2=3.3134+0.05694/(λ2-0.05658)-0.01682λ2

 

BIBO Crystal

Features
BIBO (BiB3O6) is a newly developed Nonlinear Optical Crystal. It possesses large effective nonlinear coefficient, high damage threshold and is non-hydroscopic. It’s nonlinear coefficient is 3.5 – 4 times higher than that of LBO, 1.5 -2 times higher than that of BBO. It can efficiently frequency doubling the 946nm to produce blue laser at 473nm.
 
Specifications
 
Capabilities:

Aperture: 2×2 ~ 25x25mm
Lenght: 0.1 – 20mm
Cutting Angle q and f: Determined by different kinds of homonic generartion
Phase matching type: Type I or Type II
End Configuration: Plano/Plano or Brewst/Brewst or Specified

Specifications:

Angle tolerance: Δθ< ± 0.5°; Δφ< ±0.5°
Dimensional Tolerance: (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
Flatness: <λ/8 at 633nm
Surface Quality: 10/5 Scracth/Dig
Parallelism: < 20 arc seconds
Perpendicularity: < 5 arc minutes
Wavefront Distortion: <λ/8 at 632.8nm
Clear Aperture: Central 95%
Chamfer: 0.15×45°
Coating: * Protective coating is required to prevent polished surfaces from fogging.
* Anti-reflective coating should be considered if low reflectivity is required.

Properties:

Crystal Structure Monoclinic,point group 2
Cell Parameters a =7.116Å, b=4.993Åc=6.508ÅZ=2,b=105.5868°
Melting Point 726 °C
Optical Homogeneity △n ≈10-6/cm
Mohs Hardness 5 – 5.5
Density 5.033 g/cm3
Absorption Coefficient < 0.1%/cm (at 1064 nm)
Hygroscopic Susceptibility none
Specific heat 0.5 J/gm-K at 330K
Thermal Expansion Coefficients X, 4.8 x 10-5/K 
Y, 4.4 x 10-6/K
Z, -2.69×10-5/K

 

Phase-matchable SHG range 306.5nm-1250nm
NLO coefficients d11 = 2.53 pm/V, d12=2.3 pm/V
d13 = -1.3 pm/V, d14=2.3 pm/V
d25=2.4 pm/V,d26= 2.8 pm/V,
d35=-0.9pm/V,d36=2.4 pm/V,
Refractive Index nx=1.7573, ny=1.7840, nz=1.9172 @1064nm
nx=1.7885, ny=1.8204, nz=1.9636 @532nm
Transmission Range 286nm – 2500 nm

Sellmeier Equations:
nx2 = 3.0740+0.0323/(λ2-0.0316)-0.01337λ2
nx2 = 3.1685+0.0373/(λ2-0.0346)-0.01750λ2
nx2 = 3.6545+0.0511/(λ2-0.0371)-0.02260λ2 

 

BBO Crystal

Features
20 years experience | High quality | Competitive price| 7days delivery | Japanese coating machine.

The BBO Crystal is an efficient NLO crystal for the second, third and fourth harmonic generation of Nd:YAG lasers, and the best NLO crystal for the fifth harmonic generation at 213 nm. Conversion efficiencies of more than 70% for SHG, 60% for THG and 50% for 4HG, and 200 mW output at 213 nm (5HG) have been obtained, respectively. BBO Crystal has the following.


Advantages of BBO Crystal
Broad phase-matching range from 409.6 nm to 3500 nm 
Wide optical transmission from 190 nm to 3500 nm 
Large effective second-harmonic-generation (SHG) coefficient 
High damage threshold of 10 GW/cm2 for 100 ps pulse-width at 1064 nm 
Wide temperature-bandwidth of about 55℃ 
Good mechinical and physical properties 
 
Specifications
Aperture: 2×2 ~ 25x25mm
Lenght: 0.01 – 25mm
Cutting Angle of BBO Crystal q and f: Determined by different kinds of homonic generartion
Phase matching type: Type I or Type II
End Configuration: Plano/Plano or Brewst/Brewst or Specified

 

Specifications of BBO Crystal

Angle tolerance: Δθ< ± 0.5°; Δφ< ±0.5°
Dimensional Tolerance: (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
Flatness: <λ/8 at 633nm
Surface Quality: 10/5 S/D
Parallelism: < 20 arc seconds
Perpendicularity: < 5 arc minutes
Wavefront Distortion: <λ/8 at 632.8nm
Clear Aperture: Central 95%
Chamfer: 0.15×45°
Coating: * Protective coating is required to prevent polished surfaces from fogging.
* Anti-reflective coating should be considered if low reflectivity is required.


Properties of BBO Crystal:

Crystal Structure trigonal, space group R3c
Cell Parameters a = b = 12.532Ä, c = 12.717Ä, Z = 6
Melting Point 1095 +/-5°C
Transition Temperature 925 +/-5°C
Optical Homogeneity Dn ≈10-6/cm
Mohs Hardness 4.5
Density 3.85 g/cm3
Absorption Coefficient < 0.1%/cm (at 1064 nm)
Hygroscopic Susceptibility low
Resistivity > 1011 ohm-cm
Relative Dielectric Constant εT110: 6.7, εT330: 8.1 
Tan δ, < 0.001
Thermal Expansion Coefficients(in the range of 25℃- 900℃) 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 d11 = 5.8 x d36(KDP)
d11 = 0.05 x d11, d22< 0.05 x d11
Electro-Optic Coefficients g11 = 2.7 pm/V, g22, g31< 0.1 g11
Half-Wave Voltage 48 KV (at 1064 nm)
Damage Threshold
at 1.064 mm 
at 0.532 mm
5 GW/cm2 (10 ns); 
10 GW/cm2 (1.3 ns)1 GW/cm2 (10 ns);
7 GW/cm2 (250 ps)
Transparency Range 189 – 3500 nm
Refractive Indices 
at 1.0642 mm 
at 0.5321 mm 
at 0.2660 mm
ne = 1.5425, no = 1.6551
ne = 1.5555, no = 1.6749
ne = 1.6146, no = 1.7571
Therm-Optic Coefficients dno/dT = – 9.3 x 10-6/℃
dne/dT = -16.6 x 10-6/℃

Sellmeier Equations:
no2(λ) = 2.7359+0.01878/(λ2-0.01822)-0.01354 λ2
ne2(λ) = 2.3753+0.01224/(λ2-0.01667)-0.01516 λ2 
BBO optical properties:
Transparence range: 189-3500nm 
Second harmonic generation (SHG) range: 410-2400nm
Type I phase matching plane: X-Z plane, φ=0° 
Type I phase matching plane: X-Z plane, φ=30° 

The crystals with different angle cut for various applications are listed as follows: 

1) Harmonic generations of Nd:YAG lasers:
1064nm SHG –> 532nm: 4x4x7mm Type I , θ=22.8°, φ=0°;
1064nm THG –> 355nm: 4x4x7mm Type I, θ=31.3°, φ=0°; Type II q=38.6°, φ=30°
1064nm 4HG –> 266nm: 4x4x7mm Type I, θ=47.6°, φ=0°;
1064nm 5HG –> 213nm: 4x4x7mm Type I, θ=51.1°, φ=0°; 
2) OPO and OPA pumped by harmonics of Nd:YAG lasers
532nm Pump –> 680-2600nm: 8x6x12mm Type I, θ=21°, φ=0°; 
355nm Pump –> 410-2600nm: 8x6x12mm Type I, θ=30°, φ=0°; Type II, q=37°, φ=30°;
266nm Pump –> 295-2600nm: 8x6x12mm Type I, θ=39°, φ=0°; 

3) Frequency doubling of dye lasers
670-530nm SHG –> 335-260nm: 8x4x7mm Type I, θ=40°, φ=0°;
600-440nm SHG –> 300-220nm: 8x4x7mm Type I, θ=55°, φ=0°;
444-410nm SHG –> 222-205nm: 8x4x7mm Type I, θ=80°, φ=0°; 

4) Harmonic generations of Ti:Sapphire lasers
700-1000nm SHG –> 350-500nm: 5x5x0.2mm Type I, θ=28°, φ=0°;
700-1000nm THG –> 240-330nm: 5x5x0.2mm Type I, θ=42°, φ=0°;
700-1000nm FHG –> 210-240nm: 5x5x0.2mm Type I, θ=66°, φ=0°; 

5) Frequency doubling and tripling of alexandrite lasers
720-800nm SHG –> 360-400nm: 6x4x7mm Type I, θ=31°, φ=0°;
720-800nm THG –> 240-265nm: 6x4x7mm Type I, θ=48°, φ=0°; 

6) Intracavity SHG of Ar+ laser with brewster angle cut BBO Crystal 
514nm SHG –> 257nm: 4x4x7mm Type I, θ=51°, φ=0°, B-cut;
488nm SHG –> 244nm: 4x4x7mm Type I, θ=55°, φ=0°, B-cut; 

Mounting: In order to prevent crystals from damaging or to be easily operated, CryLight provide three kinds of mount of holder to install different dimension crystals. Please contact our sales for more information.
 

Part No. Size(mm) Type θ φ Coating
BBO001 4x4x7 I 22.8° AR/AR@1064&532nm
BBO002 4x4x7 I 47.6° AR/AR@532&266nm
BBO003 4x4x10 I 22.8° AR/AR@1064&532nm
BBO004 4x4x10 I 47.6° AR/AR@532&266nm
BBO005 5x5x2 I 29.2° AR/AR@800&400nm
BBO006 5x5x1 I 29.2° AR/AR@800&400nm
BBO007 5x5x0.3-0.5 I 29.2° AR/AR@800&400nm
BBO008 5x5x0.1 I 29.2° AR/AR@800&400nm
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