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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/

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=1.6215

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/8@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 TypeⅠor TypeⅡ TypeⅡ TypeⅠor TypeⅡ

TypeⅠor TypeⅡ

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
crystal birefringent YVO4


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