Infrared Nonlinear Crystal - ZnGeP2（ZGP) - Get a price quote from DIEN TECH

Name: Infrared Nonlinear Crystal - ZnGeP2（ZGP)
Brand: DIEN TECH
Availability: InStock

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.

Specifications

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

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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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China

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since 2018

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Frequently Asked Questions

What is the Zinc germanium phosphide (ZGP or ZnGeP2) single crystal used for?

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.

What are the unique properties of ZGP crystal?

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.

What are the dimensions of the ZGP crystal?

Standard cross sections are 6x8mm, 5x5mm, 8x12mm. Crystallength range from 1 to 50mm. Custom sizes are also available on request.

What is the standard ZGP crystal orientation?

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.

What is the absorption coefficient of the ZGP crystal?

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.