YAG+Er:YAG+YAG

YAG+Er:YAG+YAG

Supplier
Crylink
Category
Laser Crystals
Origin
China

Our YAG+Er:YAG+YAG bonded crystal is formed by bonding pure YAG to both ends of Er:YAG, improving overall Er:YAG laser performance. Er:YAG has thermal conductivities of 14W/m/K@20℃ and 10.5W/m/K@100℃, while pure YAG has thermal conductivities of 14W/m/K@20℃ and 10.5W/m/K@100℃. The bonded YAG+Er:YAG+YAG structure reduces thermal effects and pump-induced thermal lensing, improves beam quality and laser-output efficiency at 1600nm and 2940nm, and increases output stability and laser service life. Crylink uses surface-activated bonding, a low-temperature or room-temperature technique characterized by surface cleaning and activation. Before bonding, bombarding the bonding surfaces with fast atoms or ion beams increases bond strength, enabling high-quality bonding among inorganic materials, metals and semiconductors. Compared with high-temperature thermal bonding, surface-activated bonding provides stronger interfacial bonding and better control of optical absorption loss and surface-figure changes. Thermal diffusion bonding leaves surface impurities trapped at the interface. Surface-activated bonding removes polishing residues, organic contamination and surface oxides, breaks chemical bonds and increases activation energy. The resulting YAG+Er:YAG+YAG crystals have high bond strength, low interfacial absorption loss, generally below 20ppm, and small surface-figure changes after bonding (<lamda/8). They are available as rods, slabs, waveguides or sandwich structures. Various end coatings are available, including AR/AR@1645nm, AR/AR@2940nm, or S1:HR@2940nm and S2:PR@2940nm. YAG+Er:YAG+YAG bonded crystals are widely used in plastic surgery, dentistry and related fields.

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Overview

Our YAG+Er:YAG+YAG bonded crystal is formed by bonding pure YAG to both ends of Er:YAG, improving overall Er:YAG laser performance. Er:YAG has thermal conductivities of 14W/m/K@20℃ and 10.5W/m/K@100℃, while pure YAG has thermal conductivities of 14W/m/K@20℃ and 10.5W/m/K@100℃. The bonded YAG+Er:YAG+YAG structure reduces thermal effects and pump-induced thermal lensing, improves beam quality and laser-output efficiency at 1600nm and 2940nm, and increases output stability and laser service life. Crylink uses surface-activated bonding, a low-temperature or room-temperature technique characterized by surface cleaning and activation. Before bonding, bombarding the bonding surfaces with fast atoms or ion beams increases bond strength, enabling high-quality bonding among inorganic materials, metals and semiconductors. Compared with high-temperature thermal bonding, surface-activated bonding provides stronger interfacial bonding and better control of optical absorption loss and surface-figure changes. Thermal diffusion bonding leaves surface impurities trapped at the interface. Surface-activated bonding removes polishing residues, organic contamination and surface oxides, breaks chemical bonds and increases activation energy. The resulting YAG+Er:YAG+YAG crystals have high bond strength, low interfacial absorption loss, generally below 20ppm, and small surface-figure changes after bonding (<lamda/8). They are available as rods, slabs, waveguides or sandwich structures. Various end coatings are available, including AR/AR@1645nm, AR/AR@2940nm, or S1:HR@2940nm and S2:PR@2940nm. YAG+Er:YAG+YAG bonded crystals are widely used in plastic surgery, dentistry and related fields.

Specifications

ParameterValue
concentrations [Materials:Er:YAG]0.5%, 50%
Structure [Materials:YAG / Structure;Er:YAG:Rods/Slabs/Sandwich/Waveguide/ / Structure;YAG:Rods/Slabs/Sandwich/Waveguide/]Rods/Slabs/Sandwich/Waveguide/
Structure [Materials:Er:YAG / Structure;YAG:Rods/Slabs/Sandwich/Waveguide/]Rods/Slabs/Sandwich/Waveguide/
Structure [Materials:YAG / Structure;YAG:Rods/Slabs/Sandwich/Waveguide/ / Structure;Er:YAG:Rods/Slabs/Sandwich/Waveguide/]Rods/Slabs/Sandwich/Waveguide/
End-face Configuration [Materials:YAG / End-face Configuration;Er:YAG:Flat/Convex/Wedge / End-face Configuration;YAG:Flat/Convex/Wedge]Flat/Convex/Wedge
End-face Configuration [Materials:Er:YAG / End-face Configuration;YAG:Flat/Convex/Wedge]Flat/Convex/Wedge
End-face Configuration [Materials:YAG / End-face Configuration;YAG:Flat/Convex/Wedge / End-face Configuration;Er:YAG:Flat/Convex/Wedge]Flat/Convex/Wedge
Side Configuration [Materials:YAG / Side Configuration;Er:YAG:Polish/Fine Ground / Side Configuration;YAG:Polish/Fine Ground]Polish/Fine Ground
Side Configuration [Materials:Er:YAG / Side Configuration;YAG:Polish/Fine Ground]Polish/Fine Ground
Side Configuration [Materials:YAG / Side Configuration;YAG:Polish/Fine Ground / Side Configuration;Er:YAG:Polish/Fine Ground]Polish/Fine Ground
Coating available [Materials:YAG / Coating available;YAG:AR@1645nm / @1645nm]AR@1645nm
Coating available [Materials:YAG / Coating available;YAG:AR@2940nm / @2940nm]AR@2940nm
Coating available [Materials:YAG / Coating available;YAG:PR@2940nm / @2940nm]HR@2940nm
Coating available [Materials:YAG / Coating available;YAG:HR@2940nm / @2940nm]PR@2940nm

Key Features

Effectively mitigates thermal effects in Er:YAG crystals; reduces thermal lensing during laser pumping; improves laser beam quality; increases 1600nm and 2940nm laser-output efficiency; improves the stability of laser output capability and extends laser service life.

Datasheet

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Supplier Information

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Crylink
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Shanghai Crylink Technology Co., Ltd. was jointly established by Shanghai Yangtze Delta Innovation Institute, Baoshan District state-owned platform, and Dr. Yongjun Dong's team. Located in Baoshan High-tech Industrial Park, the company focuses on R&D and production of laser materials and devices. Main products include laser crystals, nonlinear crystals, bonded crystals, and devices, with full-chain capabilities from crystal growth, optical polishing, laser coating to device packaging. Its subsidiary, Nanjing Guangbao Optoelectronics Technology Co., Ltd., operates the 'Meta-laser' and 'Guangbao Optoelectronics' brands. Products are widely used in laser processing, medical aesthetics, LiDAR, optical communications, defense, scientific research, aerospace, and other fields.

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