Yb:CaF2 Yb:CaF2 Crystal Specifications
Yb³⁺:CaF₂ (ytterbium-doped calcium fluoride) is a high-performance cubic fluoride laser crystal. It combines the CaF₂ host's excellent thermomechanical properties and broad transmission range with the simple electronic level structure of Yb³⁺, making it especially suitable for high-power and ultrafast lasers. Broad emission bandwidth supports femtosecond pulses, while high thermal conductivity ensures stable operation under high-power pumping.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Yb:CaF2 Crystal Specifications - Dopant Concentration | 1- 5 at.% |
| Yb:CaF2 Crystal Specifications - Clear Aperture | > 90% |
| Yb:CaF2 Crystal Specifications-Face Dimension Tolerance | +0.0 / -0.1 mm |
| Yb:CaF2 Crystal Specifications-Length Tolerance | ±0.1 mm |
| Yb:CaF2 Crystal Specifications - Parallelism | < 20″ |
| Yb:CaF2 Crystal Specifications - Perpendicularity | < 10′ |
| Yb:CaF2 Crystal Specifications - Chamfer | < 0.15 mm × 45° |
| Yb:CaF2 Crystal Specifications - Surface Quality | 20/10 (Applicable Standard: MIL-PRF-13830B) |
| Yb:CaF2 Crystal Specifications - Surface Flatness [@ 632.8 nm] | < λ/10@ 632.8 nm |
| Yb:CaF2 Crystal Specifications - Coating [@ 980 nm + AR (R<0.35%) @ 1040-1070 nm Reception Custom] | Antireflection coating ：AR (R<0.5%) @ 980 nm + AR (R<0.35%) @ 1040-1070 nm Reception Custom |
| Yb:CaF2 Crystal Specifications-Laser Damage Threshold [@ 1040 nm, 10 ns Pulse width] | > 10 J/cm² @ 1040 nm, 10 ns Pulse width |
| Yb:CaF2 Crystal Specifications - Shelf Life | 1 year |
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