Yb:YAG

Yb:YAG

Supplier
Iloptik
Category
Laser Crystals
Origin
China

Yb:YAG, or ytterbium-doped yttrium aluminum garnet, offers high quantum efficiency, low thermal loading and a broad pump absorption bandwidth. It supports high-power continuous-wave, ultrashort-pulse, frequency-doubled and mode-locked operation, making it one of the core gain materials in high-power solid-state lasers.

Specification Snapshot
Crystal Structure
Cubic Crystal System
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Overview

Yb:YAG, or ytterbium-doped yttrium aluminum garnet, offers high quantum efficiency, low thermal loading and a broad pump absorption bandwidth. It supports high-power continuous-wave, ultrashort-pulse, frequency-doubled and mode-locked operation, making it one of the core gain materials in high-power solid-state lasers.

Specifications

ParameterValue
Crystal StructureCubic Crystal System
Unit Cell Parametersa = b = c ≈ 12.008 Å(1 Å = 10⁻¹⁰m) α=β=γ=90°
Density [Ambient temperature]4.5 g/cm³
Refractive index (1064nm) [Ambient temperature]n ≈ 1.823
Mohs Hardness8.5
Thermal conductivity [Ambient temperature]14.0 W/(m・K)
Melting point1970℃
Thermal Expansion Coefficient [0-250°C]7.8x10-6/K
Absorption bandwidth ( Pump Wavelength )808nm Band: Approximately 18nm (Full Width at Half Maximum); 885nm Band: Approximately 25nm (Full Width at Half Maximum)
Dopant Concentration0.2~30% at.%
Max LengthDiameter: 1~40mm, Length: 0.3~200mm; Customizable to Customer Requirements
Dimensional toleranceDiameter tolerance: ±0.05 mm, customizable; length tolerance: ±0.1 mm, customizable
Surface finish10-5(Applicable Standard: MIL-PRF-13830B)
Flatness [@633 nm]≤λ/8 @633 nm
Transmitted Wavefront Distortion [@633 nm]≤λ/8 @633 nm
Parallelism20″
Perpendicularity≤15′
Chamfer≤0.2 mm × 45°
Edge chipping≤0.1 mm
CoatingCustomized coating designs available

Applications

Industrial:1030nm high-power metal cutting/welding and sapphire/glass micromachining; doubled/tripled 515nm/343nm for semiconductor packaging/microelectronics. Research: gain medium for high-repetition femtosecond/disk lasers and pump source for OPCPA optical parametric chirped-pulse amplification. Medical: precise output for ophthalmic tissue repair/dermatologic lesion removal. Remote sensing: high-power tunability supports lidar distance/velocity detection.

Key Features

Iloptik, an innovation benchmark in optoelectronic materials, develops Yb:YAG using Fuzhou High-tech Zone New Quality Productive Forces Center advantages and leading R&D; low thermal load, high quantum efficiency, and adaptability; quasi-three-level design/YAG stability address high-power thermal lensing and beam degradation.

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Supplier Information

Il
Iloptik
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Jingzhi Optoelectronics is a high-tech enterprise focusing on the R&D and production of optoelectronic materials and core devices. Aiming to break through the "bottleneck" technologies of high-end laser crystal materials and devices, the company is committed to achieving domestic substitution of key materials in fields such as semiconductor lithography and precision micromachining. Its main products include magneto-optical crystals (KTF, CeF₃), deep ultraviolet nonlinear optical crystals (modified BBO, CLBO), and high-power laser isolators, which are widely used in high-power laser systems, semiconductor lithography, EUV light sources, laser detection, defense, and new energy fields.

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Yb:YAG
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