YAG+Er:YAG+YAG
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.
Overview
Specifications
| Parameter | Value |
|---|---|
| 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
Datasheet
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