Yb:YAG Doped Yttrium Aluminum Garnet

Yb:YAG Doped Yttrium Aluminum Garnet

Supplier
Opticrystal
Category
Laser Crystals
Origin
China

Yb:YAG is an important diode-pumped laser crystal, which is more suitable for diode pumping than traditional Nd-doped laser materials. Compared with the commonly used Nd:YAG crystal, Yb:YAG crystal has a wider diode pump absorption bandwidth, which can effectively reduce the thermal management requirements of laser diodes. At the same time, the Yb ion laser has a long upper-level fluorescence lifetime, no excited state absorption and energy up-conversion, no radiation heat loss, and the heat load generated per unit pump power is 3 to 4 times lower than that of Nd:YAG crystals. Excellent crystal for average power solid-state lasers.

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Overview

Yb:YAG is an important diode-pumped laser crystal, which is more suitable for diode pumping than traditional Nd-doped laser materials. Compared with the commonly used Nd:YAG crystal, Yb:YAG crystal has a wider diode pump absorption bandwidth, which can effectively reduce the thermal management requirements of laser diodes. At the same time, the Yb ion laser has a long upper-level fluorescence lifetime, no excited state absorption and energy up-conversion, no radiation heat loss, and the heat load generated per unit pump power is 3 to 4 times lower than that of Nd:YAG crystals. Excellent crystal for average power solid-state lasers.

Specifications

ParameterValue
Crystal structureCubic system
Lattice constant12.01 Å
Melting point1970°C
Moh's hardness8.5
Density4.56±0.04 g/ cm3
Specific heat [@0–20℃]0.59J/ g.cm3 @0-20℃
Elastic Modulus310GPa
Young's modulus3.17×10 4 Kg/ mm2
Poisson's ratio0.3
Tensile strength0.13~0.26 GPa
Coefficient of thermal expansion[100] Direction: 8.2×10 -6 /K @ 0~250℃
Doping concentration0.5~25at%
Orientation<111>±5°
Wavefront distortion [@632.8nm]≤0.125λ/inch@632.8nm
Extinction Ratio≥25dB
Product SizeDiameter ≤ 30mm, length ≤ 220 mm, slats and discs can be customized
Dimensional toleranceDiameter: 0/-0.05mm, Length: 0/+0.5mm
Cylindrical processingGrinding, polishing, threading
Parallelism of end faces≤10"
Perpendicularity between end face and rod axis≤5′
Flatness of end face [@632.8nm]λ/10 @632.8nm
Surface Quality10-5 (MIL-O-13830A)
Chamfer0.15±0.05mm
CoatingS1/S2: R@1030nm≤0.2%&R@940nm≤2.0%
Damage threshold [@1064nm,10ns,10Hz]≥1GW/ cm2 @1064nm, 10ns, 10Hz
Diode pump absorption wavelength940nm or 970nm
SpecialWedge angle, concave/convex, hot layer gold plating

Key Features

High slope efficiency High optical quality , thermal conductivity and mechanical strength No excited state absorption and upconversion The heat load generated by unit pump power is lower than that of Nd:YAG crystal Diode pump absorption bandwidth is about 8nm@940nm Suitable for common high power InGaAs laser diode (wavelength 940nm or 970nm) pumping

Datasheet

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Supplier Information

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Opticrystal
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Shanghai Opticrystal Materials Co., Ltd. was founded in 2014, mainly engaged in R&D, processing and sales of optical crystals, electronic and semiconductor materials, laboratory equipment, spare parts, consumables and other products. The products are widely used in laser processing, new energy vehicles, photovoltaic, optical communication, aerospace, shipbuilding, nuclear detection, medical beauty, consumer electronics, power, environmental protection, scientific research and other fields, and are exported to Europe, America, Southeast Asia and other regions. The company has a professional R&D, processing and sales team, adhering to the principle of "customer-centric, quality first, high-quality service", providing high-quality products and one-stop overall solutions, continuously improving service quality and customer satisfaction, and working together with customers for common development.

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Yb:YAG Doped Yttrium Aluminum Garnet
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