Nd: YAG Crystals

Nd: YAG Crystals

Supplier
Dientech
Category
Laser Crystals
Origin
China

Nd: YAG crystal rod is used in Laser marking machine and other laser equipment. It is the only solid substances that can work continuously at room temperature, and is the most excellent performance laser crystal. Also, the YAG (yttrium aluminium garnet) laser can be doped with chromium and neodymium in order to enhance the absorption characteristics of the laser.The Nd,Cr:YAG laser is a solid state laser.Chromium ion(Cr3+) has a broad absorption band; it absorbs the energy and transfers it to the neodymium ions(Nd3+) by way of dipole-dipole interactions.Wavelength of 1064nm is emitted by this laser. The laser action of Nd:YAG laser was first demonstrated at the Bell Laboratories in the year of 1964.The Nd,Cr:YAG laser is pumped by a solar radiation.By doping with chromium,the energy absorption capacity of the laser is enhanced and ultra short pulses are emitted.

Specification Snapshot
Operating wavelength [Nd,Cr:YAG]
1.064 µm
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Overview

Nd: YAG crystal rod is used in Laser marking machine and other laser equipment. It is the only solid substances that can work continuously at room temperature, and is the most excellent performance laser crystal. Also, the YAG (yttrium aluminium garnet) laser can be doped with chromium and neodymium in order to enhance the absorption characteristics of the laser.The Nd,Cr:YAG laser is a solid state laser.Chromium ion(Cr3+) has a broad absorption band; it absorbs the energy and transfers it to the neodymium ions(Nd3+) by way of dipole-dipole interactions.Wavelength of 1064nm is emitted by this laser. The laser action of Nd:YAG laser was first demonstrated at the Bell Laboratories in the year of 1964.The Nd,Cr:YAG laser is pumped by a solar radiation.By doping with chromium,the energy absorption capacity of the laser is enhanced and ultra short pulses are emitted.

Specifications

ParameterValue
Product name [Nd:YAG]Nd:YAG
Chemical Formula [Nd:YAG]Y3Al5O12
Crystal structure [Nd:YAG]Cubic
Lattice constant [Nd:YAG]12.01Å
Melting point [Nd:YAG]1970°C
orientation [Nd:YAG;within 5°][111] or [100],within 5°
Density [Nd:YAG]4.5g/cm3
Reflective Index [Nd:YAG]1.82
Thermal Expansion Coefficient [Nd:YAG]7.8×10-6 /K
Thermal Conductivity [Nd:YAG]14, 20°C / 10.5, 100°C
Mohs hardness [Nd:YAG]8.5
Radiative Lifetime [Nd:YAG]550 us
Spontaneous Fluorescence [Nd:YAG]230 us
Linewidth [Nd:YAG]0.6 nm
Loss Coefficient [Nd:YAG;1064nm]0.003 cm-1 @ 1064nm
Laser type [Nd,Cr:YAG]Solid
Pump source [Nd,Cr:YAG]Solar Radiation
Operating wavelength [Nd,Cr:YAG]1.064 µm
Chemical formula [Nd,Cr:YAG]Nd3+:Cr3+:Y3Al5O12
Crystal structure [Nd,Cr:YAG]Cubic
Melting point [Nd,Cr:YAG]1970°C
Hardness [Nd,Cr:YAG]8-8.5
Thermal conductivity [Nd,Cr:YAG]10-14 W/mK
Young’s modulus [Nd,Cr:YAG]280 GPa
Dimensionmaximum diameter of dia.40mm
Nd Dopant Level0~2.0atm%
Diameter Tolerance±0.05mm
Length Tolerance±0.5mm
Perpendicularity<5′
Parallelism<10″
Wavefront distortionL/8
Flatnessλ/10
Surface quality [MIL-O-13830A]10/ 5 @ MIL-O-13830A
Coatings [HR-Coating]HR-Coating: R>99.8%@1064nm and R<5% @808nm
Coatings [AR-Coating;Single layer MgF2;per surface;1064nm]AR-Coating (Single layer MgF2):R<0.25% per surface (@1064nm)
Other HR coatingsSuch as HR @1064/532 nm, HR @946 nm, HR @1319 nm and other wavelengths are also available
Damage Threshold>500MW/cm2

Datasheet

Product Datasheet
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Supplier Information

Di
Dientech
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Chengdu Dien Photoelectric Technology Co., Ltd. is an energetic young crystalline materials technology company, specializing in the research, design, manufacture and sales of a series of nonlinear optical crystals, laser crystals, magneto-optic crystals and substrates. With excellent quality and competitiveness, the products are widely used in scientific research, beauty and industrial markets. The company has an experienced sales and engineering team dedicated to providing customized application solutions for customers in the global beauty, industrial and scientific research fields. The products meet European and world standards. Headquartered in Chengdu, China, DIEN TECH has customers all over the world, including the USA, Europe and Asia. DIEN TECH is committed to becoming one of the most reliable and high-quality photoelectric component suppliers in the world.

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