YVO4 CRYSTAL
In 2005, CRYLIGHT began to professionally produce high-precision optics and optical imaging lenses.
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The yttrium orthovanadate (YVO4) is a positive uniaxial crystal grown with Czochralski method.
The yttrium orthovanadate (YVO4) is a positive uniaxial crystal grown with Czochralski method.
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PRODUCT PARAMETERS
Properties: | |
Transmitting range | 400~5000nm |
Crystal Symmetry | Zircon tetragonal, space group D4h |
Crystal Cell | a=b=7.12 °, c=6.29 ° |
Density | 4.22 g/cm2 |
Hygroscopic Susceptibility | Non-hygroscopic |
Mohs Hardness | 5 glass like |
Thermal Optical Coefficient | △na /dT=8.5x10-6 /K; dnc /dT=3.0x10-6 /K |
Thermal Conductivity Coefficient | ||C: 5.23 w/m/k; ⊥C:5.10w/m/k |
Crystal Class | Positive uniaxial with no=na=nb, ne=nc |
Refractive Indices, | no=1.9929, ne=2.2154, △n=0.2225, ρ=6.04°, at 630nm |
Birefringence( Dn=ne-no) | no=1.9500, ne=2.1554, △n=0.2054, ρ=5.72°, at 1300nm |
and Walk-Off Angle at 45 deg(ρ) | no=1.9447, ne=2.1486, △n=0.2039, ρ=5.69°, at 1550nm |
Sellmeier Equation ( l in mm) | no2 =3.77834+0.069736/(λ2 -0.04724)-0.0108133λ2 |
ne2 =4.5905+0.110534/(λ2 -0.04813)-0.0122676λ2 |
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