产品目录
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Yb:CALGO, fully named Ytterbium‑doped Calcium Gallium Germanium Garnet, is a new type of rare‑earth‑doped garnet laser crystal with excellent performance. With its broad spectral range and low thermal load characteristics, its applications focus on scenarios that demand high flexibility in laser pulse width and wavelength.
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Physical Property
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Value
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Remarks
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Crystal Structure
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Tetragonal
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Lattice Parameters
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a = b = 3.6585 Å, c = 11.987 Å
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Density
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4.8 g/cm³
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Mohs Hardness
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6
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Thermal Conductivity (W·m⁻¹·K⁻¹)
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11.4
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Undoped
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Thermal Conductivity (W·m⁻¹·K⁻¹)
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6.3
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2% Yb:CALGO
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Thermal Conductivity (W·m⁻¹·K⁻¹)
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5.0
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5% Yb:CALGO
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Thermal Conductivity (25 °C)
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K[001] = 6.3 W/m·K; K[100] = 6.9 W/m·K
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Room temperature
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Melting Point
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1840 °C
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Thermal Expansion Coefficient (0–250 °C)
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10.1×10⁻⁶/K (∥a); 16.2×10⁻⁶/K (∥c)
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Fluorescence Lifetime
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420 μs
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Absorption Bandwidth (Pump Wavelength)
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~4 nm @ 981 nm (main peak)
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Absorption Bandwidth (Pump Wavelength)
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~18 nm @ 936 nm (broad peak)
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Item
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Specification
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Doping Concentration
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1–10 at.% (note: "%%" removed as nonstandard notation)
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Maximum Size
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Diameter: 1–50 mm, customizable per customer request
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Dimensional Tolerance
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Diameter tolerance: ±0.05 mm, custom available; Length tolerance: ±0.1 mm, custom available
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Surface Finish
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10/5 (per MIL‑PRF‑13830B standard)
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Flatness
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<λ/10 @ 632.8 nm
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Parallelism
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20″
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Perpendicularity
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≤15′
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Chamfer
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≤0.2 mm × 45°
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Edge Chipping
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≤0.1 mm
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Coating
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Custom coating design service available
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Quality Guarantee Period
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1 year (under normal use)
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