Er:YAG
Er:YAG is an excellent laser crystal emitting at 2.94μm and suitable for room-temperature operation, widely used in medical lasers and other fields. It has high slope efficiency and an operating wavelength that is relatively eye-safe.
Specification Snapshot
Laser Wavelength
2940 nm
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Overview
Er:YAG is an excellent laser crystal emitting at 2.94μm and suitable for room-temperature operation, widely used in medical lasers and other fields. It has high slope efficiency and an operating wavelength that is relatively eye-safe.
Specifications
| Parameter | Value |
|---|---|
| Dopant Concentration | 50at% |
| Crystal Orientation | <111>±5° |
| Transmitted Wavefront Distortion | ≤0.125λ/inch |
| Extinction Ratio | ≥25dB |
| Product Dimensions | Ø≤15mm, L≤150mm |
| Dimensional Tolerance | Ø:0/-0.03mm; L:0/+0.5mm |
| Cylindrical Processing | Fine grinding, polishing and threading |
| End-Face Parallelism | ≤10" |
| End-face perpendicularity to rod axis | ≤5′ |
| End-Face Flatness [632.8nm] | λ/10@632.8nm |
| Surface Quality [MIL-O-13830A] | 10/5(MIL-O-13830A) |
| Edge Bevel | 0.15±0.05mm |
| Coating [2940nm] | S1/S2:R≤0.25%@2940nm; S1:PR=88%±3%@2940nm; S2:HR≥99.8%@2940nm; other coating designs customizable |
| Coating Laser Damage Threshold [10ns, 10Hz] | ≥5J/cm2 10ns, 10Hz |
| Laser Wavelength | 2940 nm |
| Refractive Index [2940nm] | 1.79@2940nm |
| Special | Wedge angle, concave/convex surfaces, thermal-layer gold coating, etc. |
Datasheet
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Supplier Information
Chengdu Dongjun Laser Co., Ltd. was founded on April 27, 2001, located in Pujiang Eco-Industrial Park, Chengdu, covering 112 mu with 22,000 sqm building area, is a national high-tech enterprise specializing in R&D and production of laser crystal and other artificial crystal materials. Main products include YAG series laser crystals, special optical windows, piezoelectric crystals, functional ceramics, optical components and laser device assemblies, widely applied in industrial processing, medical aesthetics, R&D, 5G communication, laser projection, laser lighting, medical & security CT, etc. The company holds over 50 patents and has established provincial technology center and academician workstation.
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