Neodymium doped Yttrium Orthovanadate (Nd:YVO4)
Crystal properties | ||
Atomic Density | 1.26 x 1020 atoms/cm³ (Nd 1.0%) |
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Crystal Structure | Zircon Tetragonal, space group D4h-I4/amd a = b = 7.1193Å c = 6.2892Å |
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Density | 4.22 g/cm³ | |
Mohs Hardnes: | 4-5 (Glass-Like) | |
Thermal Expansion Coefficient (300 K). | aa = 4.43 x 10-6/K aa = 11.37 x 10-6/K |
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Thermal Conductivity Coefficient (300 K) | //C: 0.0523 W/cn/K ^C: 0.0510 W/cm/K |
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Optical Properties | ||
Lasing wavelength | 1064 nm 1342 nm |
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Thermal optical coefficient (300K). | dn0/dT = 8.5 x 10-6 /K dne/dT = 2.9 x 10-6 /K |
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Stimulated emmission cross-section. | 25 x 10-19 cm² @ 1064 nm | |
Fluorescent lifetime | 90 ms | |
Absorption coefficient. | 31.4 cm-1 @ 810 nm | |
Intrinsic loss. | 0.02 cm-1 @ 1064 nm | |
Gain bandwidth | 0.96 nm @ 1064 nm | |
Polarized laser emission | p polarization; parallel to optic axis (c-axis) | |
Diode pumped optical to optical efficiency | > 60 % | |
Sellmeier equations for pure YVO4 crystal as follows | ||
no2 = 3.77834 + 0.069736 / (l2- 0 04724) - 0.010813l2 | ||
ne2 = 4.59905 + 0.110534 / (l2- 0.04813) - 0.012676l2 |
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