- Product Name: Nd:GdVO4
- Dopant Concentration Tolerance :+/- 0.1%
- Parallelism:< 10 arc seconds
- Perpendicularity:< 5 arc minutes
- Chamfer:0.1mm at 45°
- Clear Aperture:95%
- Scratch and Dig:20/10 or better
- Surface Flatness:λ/10 at 633nm
- Wavefront Distortion:λ/8 at 633nm
- Damage Threshold:Over 15 J/cm2 TEM00, 10ns, 10Hz
Product overview
Neodymium doped Gadolinium Orthovanadate (Nd:GdVO4) laser crystal has large stimulated emission cross section at laser wavelength, high absorption coefficient, low dependency and wide bandwidth at pump wavelength. We can offer Nd and no dopant GdVO4 laser crystals performing the specifications upon your request.Scitlion is able to offer
Nd dopand concentration from 0.2% to 3% (atm%)
Rod diameter from 1mm to 35mm
Length from 1mm to 50mm
Coating upon your request
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Physical and Optical Properties |
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Crystal Structure |
Zircon Tetragonal, Space group D4h |
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Lattice Constants |
a=b=7.21, c=6.35 |
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Density |
5.47 g/cm3 |
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Melting Point |
1780℃ |
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Thermal Expansion Coefficient |
aa = 1.5 x 10-6/K at 300K ac = 7.3 x 10-6/K at 300K |
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Thermal Conductivity |
11.7 W/mK, along <110> axis |
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Lasing Wavelength |
912.6 nm, 1063.1 nm, 1341.3 nm |
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Emission Cross Section |
7.6 x 10-19cm2 at 1064nm |
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Peak Absorption Wavelength |
808.5 nm |
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Absorption Cross Section |
4.9 x 10-19cm2 at 808nm |
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Absorption Coefficient |
74 cm-1 at 808nm |
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Absorption Length |
0.18mm at 808nm |
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Refractive Index (at 1064nm) |
no=1.972, ne=2.192 |
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Fluorescence Lifetime |
95μs (1.2% Nd) |
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Loss Coefficient |
0.003 cm-1 at 1064nm |
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Intrinsic Loss |
< 0.1% cm-1 at 1064nm |
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Line Width |
0.6 nm |
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Polarized Laser Emission |
P Polarized, ∥Optical axis (c-axis) |
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Diode Pumped Optical to Optical Efficiency |
> 60% |
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Sellmeier Equation (no doped GdVO4) |
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no2 = 4.734369 + 0.1216149/( λ2-0.0523664) – 0.13927λ2 |
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ne2 = 3.8987165 + 0.05990622/( λ2-0.0514395) – 0.011319λ2 |
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