Potassium Gadolinium Tungstate Crystal | KGW Crystal

Data sheet

Density	7.27 g/cm³
Materials	KGW Crystal
Melting Piont	1087 ℃
Molecular Formula	KGd(WO4)2

More info

Potassium Gadolinium Tungstate (KGW) Crystal features a wide transparency range, excellent thermal conductivity, and high damage threshold, making it a top choice for Raman lasers and frequency conversion applications. With a large Raman frequency shift coefficient and high Raman gain, it ensures excellent efficiency and beam quality during the frequency conversion process. KGW crystals can withstand high pump power and are suitable for a variety of pump wavelengths, making them versatile for a range of applications including Raman lasers, laser frequency conversion, medical imaging, photodynamic therapy, environmental monitoring, spectroscopy, and material processing. HM provides high-quality KGW Crystal for advanced applications.

Potassium Gadolinium Tungstate Crystal | KGW Crystal

KGW Crystal Properties

Chemical Formula	KGd(WO4)2
Crystal Structure	Monoclinic system
Space Group	C2/c
Lattice Parameters	a=10.652(4) Å, b=10.374(6) Å, c=7.582(2) Å
Density	7.27 g/cm^3
Melting Point	1087 ℃
Phase Transition Temperature	1031 ℃
Mohs Hardness	4-5 Mohs
Transparency Range	0.3-5 μm
Refractive Index @ 1064 nm	np=1.982, nm=2.010, ng=2.061
Thermal Conductivity	Ka=2.6 W/m/K, Kb=3.8 W/m/K, Kc=3.4 W/m/K
Thermo-Optic Coefficient (dn/dT)	Dnp/dt=-15.7 x 10^-6/K, DNm/dt=-11.8 x 10^-6/K, DNg/dt=-17.3 x 10^-6/K
Raman Shift	901 cm^-1 (p[mm]p), 767 cm^-1 (p[gg]p)
Raman Linewidth	5.4 cm^-1 @ 901 cm^-1 (p[mm]p), 6.4 cm^-1 @ 767 cm^-1 (p[gg]p)
Raman Gain (ps, transient region)	11 cm/GW @ 532 nm, 3 cm/GW @ 1064 nm
Dephasing Time	2 ps

KGW Crystal Specifications

Orientation	[010]
Maximum Length	50 mm
Dimensional Tolerance	Diameter Tolerance: ±0.1 mm
Dimensional Tolerance	Length Tolerance: ±0.5 mm
Clear Aperture	Central 90% region
Surface Quality	10/5 per MIL-PRF-13830B standard
Flatness	<λ/6 @ 633 nm
Parallelism	20″
Perpendicularity	≦15′
Protective Chamfer	<0.1 mm at 45˚
Wavefront Distortion	<λ/4 @ 632.8 nm
Coating	AR (R<0.5%) @ 450-800 nm
Laser Damage Threshold	>10 J/cm^2 @ 1064 nm, 10 ns

KGW Crystal Stock Dimensions

Dimensions	Length	Doping	Coating
5x5 mm	15 mm	Undoped	Uncoated
5x5 mm	30 mm	Undoped	Uncoated
5x5 mm	45 mm	Undoped	Uncoated
5x5 mm	15 mm	Undoped	AR/AR @ 450-800 nm
5x5 mm	30 mm	Undoped	AR/AR @ 450-800 nm
5x5 mm	45 mm	Undoped	AR/AR @ 450-800 nm

KGW Crystal Key Features

Transparency range from 350 nm to 5.5 μm
Two major Raman shifts at 765 cm^-1 and 905 cm^-1

KGW Crystal Applications

Raman Lasers: Used in high-efficiency Raman lasers for frequency conversion and signal amplification, ensuring high output power and beam quality.
Laser Radiation Frequency Tuning: Ideal for frequency tuning of laser radiation, enabling the generation of multiple wavelengths from a single laser source.
Medical Imaging: Applied in medical imaging systems for precise and efficient optical measurements, particularly in non-invasive diagnostic techniques.
Photodynamic Therapy: Utilized in photodynamic therapy, providing high-power, tunable laser light for targeted treatment in cancer therapy and other medical applications.
Environmental Monitoring and Spectroscopy: Used in environmental monitoring and spectroscopy for accurate chemical analysis and detection of pollutants or other substances in various environments.

KGW Crystal Packing And Shipping

Potassium Gadolinium Tungstate (KGW) Crystal will be securely packaged in sturdy containers with cushioning materials to prevent movement or damage during shipping. This careful packaging ensures that the product arrives in perfect condition, maintaining its high-quality standards throughout the delivery process.

Where to Buy KGW Crystal in Bulk?

Heeger Materials Inc., a professional supplier and manufacturer of high-quality Laser Crystals products including Potassium Gadolinium Tungstate (KGW) Crystal, leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.

Heeger Materials Inc. was established in 2016 in Colorado, USA. We specialize in premium-grade metals, alloys, ceramics, powders, and other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors.

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