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NLO CRYSTAL

Physical and Optical Properties

Crystal Structure

Trigonal,Space Group R3c

Orthorhombic,Point Group mm²

Orthorhombic,Point Group mm²

Trigonal,Space Group R3c

Transparency Range

189-3500nm

350-4500nm

160-2600nm

420-5200nm

Cell Parameters

A=b=12.532 Å

C=12.717 Å

A=6.404 Å

B=10.616 Å

C=12.814 Å

A=8.44731Å

B=7.3788 Å

C=5.1395 Å

a=0.515Å

c=13.863Å

Melting Point

1095+/-5

1172 Incongruent

834

1255+/-5

Curie Point

925+/-5

936

5

1140+/-5

Optical Homogeneity

n=10-6/cm

n=10-6/cm

n=10-6/cm

n=5*10-5/cm

Mohs Hardness

4.5

5

6

5

Density

3.85g/cm³

3.01g/cm³

2.47g/cm³

4.64g/cm³

Thermal Conductivity

ˆC,0.012W/m/k

C,0.016W/m/k

0.03 W/m/k

0.035 W/m/k

0.046 W/m/k

Phase-matchable SHG Range

205-1750nm

1000-2000nm

800-2000nm

1100-3000nm

Absorption Coefficient

<0.1%/cm@1064nm

<1%/cm@1064nm and 532nm

<=1%/cm@1064nm

<0.1%/cm@1064nm

NLO coefficients

d21=2.2pm/V

d31=0.08pm/V

d22=2.2pm/V

d31=1.95pm/V

d32=3.90pm/V

d33=15.3pm/V

d24=3.90pm/V

d15=1.95pm/V

d21=0.67pm/V

d22=0.04pm/V

d23=0.85pm/V

d34=0.85pm/V

d16=0.67pm/V

d21=d22=d16=2.6pm/V

d31=d32=d24=4.6pm/V

d33=25.6 pm/V

Damage Threshold@1064nm

12.9J/cm² 9.9GW/ cm²

6.0J/cm² 4.6GW/ cm²

24.6J/cm² 18.9GW/ cm²

200GW/ cm²

Refractive Indices@1064nm@532nm

Ne=1.5425

No=1.6551

Ne=1.5555

No=1.6749

Nx=1.73991

Ny=1.74802

Nz=1.82956

Nx=1.77903

Ny=1.79002

Nz=1.88628

Nx=1.56447

Ny=1.59050

Nz=1.60538

Nx=1.57842

Ny=1.60650

Nz=1.62154

Ne=2.23216

No=2.15600

Ne=2.32309

No=2.23415

NLO CRYSTAL

Typical Specification and Capabilities

NLO Crystal

BBO

KTP

LBO

LiNbO3

Angle Tolerance

△θ<+/-0.5°;△ø<+/-0.5

Dimension Tolerance

(w+/-0.1mm)*(H+/-0.1mm)*(L+0.2mm/-0.1mm)

(w+/-0.1mm)*(H+/-0.1mm)*(L+0.2mm/-0.1mm)

(w+/-0.1mm)*(H+/-0.2mm)*(L+0.2mm/-0.2mm)

(w+/-0.1mm)*(H+/-0.2mm)*(L+0.2mm/-0.2mm)

Flatness

<λ/8@633nm

<λ/8@633nm

<λ/4@632.8nm

<λ/8@633nm

Scratch/Dig Code

Better than 10/5 Scratch /Dig per MIL-O-13830A

Parallelism

<20 arc seconds

Perpendicularity

<5 arc minutes

<5 arc minutes

<30 arc minutes

<5 arc minutes

Wavefront Distortion

<λ/8@633nm

<λ/8@633nm

<λ/4@632nm

<λ/8@633nm

Clear Aperture

>90% Central Area

>90% Central Area

>80% Central Area

>90% Central Area

Aperture

1*1-12*12mm

1*1-10*10mm

2-10mm

1-50mm

Length

0.02-25mm

0.05-20mm

0.3-20mm

0.3-20mm

Phase Matching Type

Typeor Type

Type

Typeor Type

Typeor Type

End Configuration

Flat or Brewster or Specified

Flat or Brewster or Specified

Flat,Spherical,Parallel and Wedged

Flat,Spherical,Parallel and Wedged

Typical Coating

Antireflective coating

Antireflective coating

High reflective coating

Antireflective coating

Antireflective coating