CVD Diamond Wafer
Bulk density (g/cm 3 ) | 3.3216 |
Thermal conductivity (W/(m*K)) | TC.1200;T.C1500;T.C1800 |
Thermal diffusivity (cm^2/s) | 6.6; 8.2; 9.9 |
Coefficient of thermal expansion (RT-700°C) (10 -6 K -1 ) | 3.1962 |
Moh's hardness | >10 |
Tensile strength (Mpa) | 450~1100 |
Young's modulus (GPa) | 1000~1100 |
Dielectric constant (1MHz) | 5.68 |
Dielectric loss (1MHz) | 6.2*10 -8 |
Volume resistance (25°C, 'Ω cm) | 2.95*1013 |
Insulation withstand voltage (V/mA) | DC 5.5KV/1.5mA |
Transmittance | 40%~65% |
Infrared absorption coefficient (cm -1 @1.064um) | 0.3979~0.1871 |
Fine Polishing - Surface Roughness (Front) | Ra1nm |
Surface roughness (back side) | Ra200nm |
TTV | 1umØ25mm |
Warpage | 1umØ25mm |
Flatness PV (fringe@633nm) | 1.5fringeØ25mm |
Length*width | 10*10mm can be customized |
Length and Width Tolerance | ±0.05mm |
Thickness | 0.2-2mm |
Thickness Tolerance | 0.1mm |
Crystal Orientation (Miscut) | ±3° |
Crystallography | Usually 100% single sector {100} |
Horizontal dimension measurement | to the smaller side |
Edge features | <0.2mm |
Edge orientation | Edge<100>&<110> |
Facing towards | {110} |
Edge laser cut | 3° |
1st and 2nd surface roughness | Polished, Ra<20nm |
Thermal expansion coefficient | 10( -6 )K −1 |
Thermal conductivity | 2200 W/(mk) |
Nitrogen content | Ppb level: 20-50ppm; Ppm level: 20-30ppm |






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.






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