Er:YAG laser material
Er:YAG is an excellent laser material at wavelength of 2.94μm.
Product Description
Er:YAG is a great kind of laser material at wavelength of 2.94μm. It's popularly used in With its high slope efficiency, and the wavelength is relatively safe to human eyes.
Specifications
| Concentration | 50at% |
| Orientation | <111>±5° |
| Wavefront distortion | ≤0.125λ/inch |
| Extinction ratio | ≥25dB |
| Sizes | Ø≤15mm, L≤150mm |
| Tolerances | Ø:0/-0.03mm, L:0/+0.5mm |
| Cylindrical machining | Fine grinding, Polishing, Grooving |
| Parallelism | ≤ 10" |
| Perpendicularity | ≤ 5' |
| Flatness | λ/10 @632.8nm |
| Surface Quality | 10-5 (MIL-O-13830A) |
| Chamfer | 0.15±0.05mm |
| Coating | S1/S2:R≤0.25%@2940nm |
| S1:PR＝88%±3%@2940nm；S2:HR≥99.8%@2940nm | |
| Other coating can be customized | |
| Damage threshold | ≥5J/cm2 10ns, 10Hz |
| Laser wavelength | 2940 nm |
| Refractive index | 1.79@2940nm |
| Special specifications | Concave / Convex on end faces |
Contact Us
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Add.: 6/F RFCM, International Trade Tower 348 Kwun Tong Road, Kowloon, Hong Kong.