Yttrium orthovanadate

Yttrium orthovanadate (YVO4) is a transparent crystal. Undoped YVO4 is also used to make efficient high-power polarizing prisms similar to Glan–Taylor prisms.[1]

Yttrium orthovanadate
Names
Other names
Yttrium vanadate
Identifiers
ChemSpider
ECHA InfoCard 100.033.590
EC Number
  • 234-340-8
Properties
O4VY
Molar mass 203.843 g·mol−1
Melting point 1,810 °C (3,290 °F; 2,080 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

There are two principal applications for doped Yttrium orthovanadate:

Basic properties
  • Crystal structure:[4]
    • Zircon tetragonal (tetragonal bipyramidal)
    • Space group D4h
    • Lattice parameters a = b = 7.119 Å, c = 6.290 Å [5]
  • Density: 4.24 g/cm3 [5]
  • Melting point: 1810–1940 °C [5]
  • Mohs hardness: glass-like, ~5
  • Knoop hardness: 480 kg/mm2 [6]
  • Thermal expansion coefficient:[4]
    • αa = 4.43×10−6/K
    • αc = 11.37×10−6/K
  • Thermal conductivity coefficient:[4]
    • parallel to c-axis: 5.23 W·m−1·K−1
    • perpendicular to c-axis: 5.10 W·m−1·K−1
  • Refractive indices, birefringence ( Δn = ne - no) and walk-off angle at 45° (ρ):
    • at 0.63 µm:
      • ne = 2.2154
      • no = 1.9929
      • Δn = 0.2225
      • ρ = 6.04
    • at 1.30 µm:
      • ne = 2.1554
      • no = 1.9500
      • Δn = 0.2054
      • ρ= 5.72
    • at 1.55 µm:
      • ne = 2.1486
      • no = 1.9447
      • Δn = 0.2039
      • ρ = 5.69
    • Sellmeier equation (λ in µm):
      • ne2=4.59905 + 0.110534/(λ2 − 0.04813) − 0.012267612 λ2
      • no2=3.77834 + 0.069736/(λ2 − 0.04724) − 0.0108133 λ2

See also

References
  1. US patent 3914018, Deshazer, Larry G., "Yttrium orthovanadate optical polarizer", issued 1975-10-21, assigned to Union Carbide Corp.
  2. Koechner, Walter (2006). "Nd:YVO4". Solid-state laser engineering. p. 69. ISBN 978-0-387-29094-2.
  3. Caro, Paul (1998-06-01). "Rare earths in luminescence". Rare earths. pp. 323–325. ISBN 978-84-89784-33-8.
  4. "Yttrium Vanadate (YVO4) Crystal". Casix. Archived from the original on May 17, 2008. Retrieved 2008-09-12.
  5. DeShazer, L.G.; Rand, S.C.; Wechsler, B.A. (1987). Weber, Marvin J. (ed.). Handbook of Laser Science and Technology, Vol. V: Optical materials part 3. Boca Raton, Florida: CRC Press. p. 283. ISBN 0-8493-3505-1.
  6. DeShazer, L.G.; Rand, S.C.; Wechsler, B.A. (1987). Weber, Marvin J. (ed.). Handbook of Laser Science and Technology, Vol. V: Optical materials part 3. Boca Raton, Florida: CRC Press. p. 329. ISBN 0-8493-3505-1.
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