Infrared Nonlinear Crystal - ZnGeP2（ZGP)
Description
Zinc germanium phosphide (ZGP or ZnGeP2) single crystal has large nonlinear coefficients (d36=75pm/V), wide infrared transparency range(0.75-12μm), high thermal conductivity(0.35W/(cm·K)), high laser damage threshold (2-5J/cm2)and well machining property, ZnGeP2 (ZGP crystal) was called the king of infrared nonlinear optical crystals and is still the best frequency conversion material for high power, tunable infrared laser generation.Because of these unique properties, ZGP crystal is known as one of the most promising materials for nonlinear optical applications.
Infrared Nonlinear Crystal - ZnGeP2（ZGP)
Specifications |
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|---|---|
| Crystal Type: | ZnGeP2 (ZGP) |
| Phase Mathcing Type: | Type I |
| Mounting: | Mounted |
| Width: | 6 mm |
| Height: | 50 mm |
| Length: | 20 mm |
| Flatness: | <= Lambda/4 |
| Surface Quality (Scratch-Dig): | 20-10 |
| AR Coating: | Both Sides |
Applications
• Second, third, and fourth harmonic generation of CO2-laser.
• Optical parametric generation with pumping at a wavelength of 2.0 µm.
• Second harmonic generation of CO-laser.
• Producing coherent radiation in submillimeterrange from 70.0 µm to 1000 µm.
• Generation of combined frequencies of CO2- and CO-lasers radiation and other lasers are working in the crystal transparency region.
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How to order?
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Ships from:
China
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Sold by:
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On FindLight:
since 2018
Frequently Asked Questions
ZGP crystal is known as one of the most promising materials for nonlinear optical applications. It is used for second, third, and fourth harmonic generation of CO2-laser, optical parametric generation with pumping at a wavelength of 2.0 µm, second harmonic generation of CO-laser, producing coherent radiation in submillimeter range from 70.0 µm to 1000 µm, and generation of combined frequencies of CO2- and CO-lasers radiation and other lasers are working in the crystal transparency region.
ZGP crystal has large nonlinear coefficients (d36=75pm/V), wide infrared transparency range(0.75-12μm), high thermal conductivity(0.35W/(cm·K)), high laser damage threshold (2-5J/cm2)and well machining property.
Standard cross sections are 6x8mm, 5x5mm, 8x12mm. Crystallength range from 1 to 50mm. Custom sizes are also available on request.
The standard ZGP crystal orientation is for type I phase matching at an angle of θ=54°, which is suitable for use in OPO pumped at wavelengths between 2.05um and 2.1um to generate mid-infrared output between 3.0um and 6.0um.
We can offer high optical quality and large diameter ZGP crystals with extremely low absorption coefficient α<0.05cm-1(at pump wavelengths 2.0-2.1µm), which can be used to generate mid-infrared tunable laser with high efficiency through OPO or OPA processes.