Birefringent Optical Crystals YVO4

Birefringent Optical Crystals YVO4


Birefringent Optical Crystals YVO4

Yttrium orthovanadate (YVO4) is a birefringent optical crystal that has a tetragonal crystal structure. It exhibits strong birefringence and a high refractive index, which makes it useful in various optical applications.

One of the key applications of YVO4 is as a substrate for the growth of thin films of other materials, such as superconductors and ferroelectric materials. YVO4 has a high degree of crystallographic orientation and is able to provide a high-quality surface for the growth of these films.

YVO4 is also used as a birefringent material in various optical devices, such as wave plates, polarizers, and frequency doubling crystals. Its strong birefringence allows it to split light into two orthogonal polarizations, each traveling at a different speed and refracting at different angles.

In addition to its optical applications, YVO4 is also used as a host material for the doping of rare earth ions, such as neodymium and erbium, which can be used to produce solid-state lasers. These lasers have a wide range of applications, including in materials processing, telecommunications, and medical equipment.

Birefringence D=he-ho
Refractive index h at l= 0.63 µm Thermal optical Coef. dh/dT 10-6/°K Structure and lattice constant, Å Melting point °C Density g/ cm3 Hardness (Mohs) Thermal Coef. 10-6/K
+ 0.222
a: -8.5
c: -3.0
Tetragonal a=7.12, 
c= 6.29
1825 4.22 5 a: 4.46
c: 11.37

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