YVO4
Transmission range | 0.4-5 μ m high penetration |
Crystal structure | Tetragonal system, space group D4h |
Lattice constant | a=b=7.12Åc=6.29Å |
Density | 4.22g/cm3 |
Moh's hardness | 5. Approximate glass |
Hygroscopy | Not easy to tide solution |
Coefficient of expansion due to heat | αa= 4.43×10-6/Kαc= 11.37 ×10-6/K |
Thermal conductivity coefficient | //C: 5.23 W/m/K ⊥C: 5.10 W/m/K |
Crystal class | Positive uniaxial no=na=nb, ne=nc |
Thermo-optical coeffecient | dna/dT = 8.5×10-6/Kdnc/dT = 3.0×10-6/K |
Refractive index Birefringent index (Δn = ne-no) Discrete angle @ 45° (ρ) | no= 1.9929, ne= 2.2154, Δn = 0.2225, ρ= 6.04°@630nm no= 1.9500, ne= 2.1554, Δn = 0.2054, ρ= 5.72°@1300nm no= 1.9447, ne= 2.1486, Δn = 0.2039, ρ= 5.69°@1550nm |
Sellmeier Equation (λ in μm) | no2= 3.77834 + 0.069736/(λ2- 0.04724) - 0.0108133λ2 ne2= 4.59905 + 0.110534/(λ2- 0.04813) - 0.0122676λ2 |
YVO4 | TiO2 | CaCO3 | LiNbO3 | |||
Thermal dilation (/) | c-axle | 11.4×10-6 | 9.2×10-6 | 26.3×10-6 | 16.7×10-6 | |
a-axle | 4.4×10-6 | 7.1×10-6 | 5.4×10-6 | 7×10-6 | ||
Refractive index | no | 1.9447 @ 1550nm | 2.454 @ 1530nm | 1.6346 @ 1497nm | 2.2151 @ 1440nm | |
ne | 2.1486 @ 1550nm | 2.710 @ 1530nm | 1.4774 @ 1497nm | 2.1413 @ 1440nm | ||
Birefractive index (ne-no) | 0.2039 @ 1550nm | 0.256 @ 1530nm | -0.1572 @ 1497nm | -0.0738 @ 1440nm | ||
Moh's hardness | 5 | 6.5 | 3 | 5 | ||
Hygroscopy | deny | deny | weak | deny | ||
Transmission range | 0.4-5μm | 0.4-5μm | 0.35-2.3μm | 0.4-5μm |
Aperture | 1.0×1.0 mm- 4 × 4 mm |
External diameter tolerance | +/-0.05mm |
Wedge angle tolerance | +/-0.1° |
Light axis orientation accuracy | +/-0.5° |
Flatness | λ/4 @ 632.8 nm |
Finish | 20/10 |
Reflection reducing coating | R <0.2% @1550 or 1310nm |
Regular size | 1.25mm 1.25mm 0.5mm 13° / 15° wedge angle, phi = 22.5 ° |






FAQ
We are based in Shanghai, China, and the company started from 2014. Products have been sold to Europe (30.00%), North America(30.00%), South America(20.00%) and East Asia (20%).There are total about 35 employees in our company.
With over 10 years manufacturing experience and strict quality control system, the products quality is ensured. Also samples are available before mass production; Always final Inspection before shipment.
3.What can you buy from us?
Laser crystals: Nd:YAG, Cr4+:YAG, Yb:YAG, Tm:YAP, Ho:YAG , Ho:YAP, Er:YAG, Er: glass, Nd:YLF, Nd:YVO4, Ti3+:Al2O3 and bonded crystals.
Magneto-optic crystals: TGG, TSAG,TLF, KTF, CeF3, YIG.
Nonlinear crystals: β-BBO, KDP, DKDP, LBO, KTP, PPLN. Metal Single crystals: Al, Cu, Mg, Ni.
Optical windows, filters, lenses, prisms, objective lenses, cylindrical mirrors, mirrors, beam combiners, beam expanders,
wedge mirrors, glued mirrors, etc.; materials include BK7, K9, quartz glass, sapphire, silicon Si , Germanium Ge, zinc selenide ZnSe, calcium fluoride CaF2, magnesium fluoride MgF2, barium fluoride BaF2, zinc sulfide ZnS and so on.
. Optical Devices:
Photoelectric Pockels Cell: BBO, KDP, DKDP, LN/MgO:LN, LGS, KTP, RTP. Faraday Optical Isolators: Polarization-independent isolator, polarization-dependent isolator, near-infrared visible light free-space isolator, in-line isolator, circulator, etc.
Optical Modulators: lithium niobate phase modulators, fiber-coupled acousto-optic modulators, spatial acousto-optic
modulators, acousto-optic Q switches, acousto-optic filters, acousto-optic deflectors, and acousto-optic drivers.
special silica optical fiber, single optical fiber, optical fiber bundle, optical fiber passer, optical fiber collimator.
. Semiconductor Materials:
Quartz, diamond, GaAs, Si, Ge, ZnO, AlN, GaN, GaO, SiC, LiTaO3, LiNbO3, etc.
. Laboratory equipment and consumables:
Optical platforms, translation stages, mirror frames, teaching experiment modules, spectrometers, power meters, lasers, pulsed
xenon lamps, scientific research electric furnaces, performance testing equipment, consumables, etc.
4. What services can we provide?
Free samples
Customization
24hours online service.
