Zinc Germanium Phosphide crystal is an efficient mid-infrared nonlinear optical crystal material. Its transparency range is from 0.76 to 12.0 µm, making it suitable for applications in the mid-infrared spectral region such as optical parametric amplifiers (OPA), optical parametric oscillators (OPO), second-harmonic generation (SHG), and fourth-harmonic generation (FHG).

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Product Description:

ZGP


Zinc Germanium Phosphide crystal is an efficient mid-infrared nonlinear optical crystal material. Its transparency range is from 0.76 to 12.0 µm, making it suitable for applications in the mid-infrared spectral region such as optical parametric amplifiers (OPA), optical parametric oscillators (OPO), second-harmonic generation (SHG), and fourth-harmonic generation (FHG).


Applications


• Generating mid-wave and long-wave infrared continuously tunable radiation with OPO and DFG techniques

• Harmonic generation based on CO2 and CO lasers

• Generation of terahertz frequency


Features


• Transmittance range from 2µm to 12µm

• Relatively high damage threshold

• High thermal conductivity

• Broad phase matching spectral range


Specifications


Clear Aperture> 90%
Parallelism Error< 20 arcsec
Perpendicular Error< 5 arcmin
Surface Quality20/10, S/D
Surface Flatness< λ/8 @ 632.8nm
Laser Induced Damage Threshold30 GW/cm2 @ 2790 nm, 150 ps
Nonlinear Coefficientd36=75 ± 8 pm/V

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