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ZGP ZnGeP2 Zinc Germanium Phosphide Mid IR Nonlinear Large Susceptibility

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ZGP ZnGeP2 Zinc Germanium Phosphide Mid IR Nonlinear Large Susceptibility

Place of Origin : China

Brand Name : CRYLINK

Certification : Iso9001

MOQ : 1 Pieces

Price : negotiation

Packaging Details : Carton

Delivery Time : 3-4 weeks

Payment Terms : TT

Supply Ability : 100 pieces /month

Model Number : CRYLINK-ZGP(ZnGeP2) Nonlinear Crystal

Name : ZGP(ZnGeP2)

Crystal Structure : Tetragonal,`42m

Lattice Parameter : a=b=5.467, c=12.736

Mass Density : 4.16 g/cm3

Moh Hardness : 5.5

Melting Point : About 1040°C

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ZnGeP2(Zinc germanium phosphide)crystal has many good properties and is an mid-IR nonlinear crystal. The nonlinear susceptibility of ZnGeP2 (ZGP) crystal is approximately 160 times large (d36~75 pm/V) as KDP,.ZGP shows good optical transparency over the 0.7412 mm and relatively high laser damage threshold, and is therefore well suited for producing near infrared tunable laser. ZGP is a very hopeful material for mid-infrared devices such as SHG, SFG, OPO, and OPG/OPA.

Chemical and Physical properties

Property Value
Chemical Formula ZnGeP2
Crystal Structure Tetragonal,`42m
Lattice Parameter a=b=5.467, c=12.736
Mass Density 4.16 g/cm3
Moh Hardness 5.5
Melting Point About 1040°C
Thermal Conductivity 180 W/m/K
Thermal Expansion Coefficient ‖,5×10-6/K; ⊥,7.8×10-6/K
Birefringence positive uniaxial

Linear Optical Properties
Property Value
Transparency Range 0.74 12 um
Absorption Coefficient <0.05cm-1 @2050-2100 nm
Refractive Indices
@ 2.05 um no = 3.1478, ne = 3.1891
@ 2.79 um no = 3.1333, ne = 3.1744
@ 5.30 um no = 3.1136, ne = 3.1547
@ 10.6 um no = 3.0729, ne = 3.1143
Sellmeier Equations( in m) no2() = 4.64467+5.10087/(2-0.13656)+4.277772/(2-1653.89)
ne2() = 4.71539+5.26358/(2-0.14386)+2.373102/(2-1000.82)

Nonlinear Optical Properties
Property Value
SHG Phase Matchable Range 3177 10357nm (Type I)
NLO coefficients d36=758 pm/V
Typedeeo=d36 sin2cos2
Typedoeo=deoo=d36 sinsin2
Damage Threshold
at 2.79 um 30 GW/cm2 (150 ps)
at 10.6 um 1 GW/cm2 (2 ns)

Linear Absorption Coefficient
[um] [cm-1] Note
1.064 1.52
1.06 best crystals
1.9 0.80.95
2 0.15 o-wave, best crystals
0.16
2.05 0.35
0.26 o-wave
0.23
0.2 o-wave, after annealing
<0.1 best crystals
0.09 best crystals
0.020.04 after annealing and radiation processing
2.08 0.62 o-wave, mean value
1.2 e-wave, mean value
2.15 0.6
0.090.25 typical crystals, o-wave
0.03 best crystals, o-wave
2.39 0.55
2.5 0.11 o-wave, as-grown crystals
2.58 <0.1
2.58.3 <0.2
2.58.5 <0.1
2.73 0.03

Product Tags:

zinc germanium phosphide

      

ZGP Crystals

      

5.5 Moh Nonlinear Crystals

      
China ZGP ZnGeP2 Zinc Germanium Phosphide Mid IR Nonlinear Large Susceptibility factory

ZGP ZnGeP2 Zinc Germanium Phosphide Mid IR Nonlinear Large Susceptibility Images

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