Neodymium doped Yttrium Orthovanadate ( Nd:YVO4 )
Crystal properties |
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Atomic Density |
1.26 x 1020 atoms/cm³ |
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Crystal Structure |
Zircon Tetragonal, a = b = 7.1193Å |
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Density |
4.22 g/cm³ |
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Mohs Hardnes: |
4-5 (Glass-Like) |
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Thermal Expansion Coefficient (300 K). |
aa = 4.43 x 10-6/K |
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Thermal Conductivity Coefficient (300 K) |
//C: 0.0523 W/cn/K |
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Optical Properties |
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Lasing wavelength |
1064 nm |
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Thermal optical coefficient (300K). |
dn0/dT = 8.5 x 10-6 /K |
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Stimulated emmission cross-section. |
25 x 10-19 cm² @ 1064 nm |
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Fluorescent lifetime |
90 ms |
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Absorption coefficient. |
31.4 cm-1 @ 810 nm |
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Intrinsic loss. |
0.02 cm-1 @ 1064 nm |
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Gain bandwidth |
0.96 nm @ 1064 nm |
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Polarized laser emission |
p polarization; parallel to optic axis (c-axis) |
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Diode pumped optical to optical efficiency |
> 60 % |
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Sellmeier equations for pure YVO4 crystal as follows |
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no2 = 3.77834 + 0.069736 / (l2- 0 04724) - 0.010813l2 |
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ne2 = 4.59905 + 0.110534 / (l2- 0.04813) - 0.012676l2 |