Datasheet & SDS.

Factory PDFs from KM Innovation. If a revision date matters to your QA, email Florida and we send the file that matches the lot.

KM datasheet values

From KM Innovation’s ZnSe data sheet. Lot data on the quote. These are not a substitute for the PDF.

Useful band

0.6 µm510.616 µm

CVD ZnSe: very low bulk absorption at 10.6 µm — high-power CO2 and high-resolution IR. Uncoated Fresnel loss ~17% per face (n = 2.403).

Optical

  • n @ 10.6 µm2.403
  • n inhomogeneity @ 632.8 nm< 3 ppm
  • Bulk absorption @ 10.6 µm< 0.0005 cm−1

Physical

  • Crystal structureCubic
  • Grain size< 100 µm
  • Density5.27 g/cm³
  • Chemical purity> 99.999%
  • InclusionsNone > 0.05 mm
  • Resistivity> 1012 Ω·cm

Thermal / mechanical

  • CTE @ 293 K7.48 × 10−6 /K
  • Thermal conductivity @ 298 K20 W/m·K
  • Specific heat0.377 J/g·K
  • Knoop hardness110 kg/mm²
  • Flexural strength (3-pt)54 MPa
  • Fracture toughness1.1 MPa·m1/2
  • Young’s modulus71 GPa
  • Poisson’s ratio0.32

Refractive index @ 23 °C (KM table)

Wavelength (µm)n
32.438034
42.433621
52.429995
62.426309
72.422390
82.417920
92.412854
9.42.410666
102.407196
10.62.403427
112.400807
122.393692
  • Available maximum sizeØ800 × 30 mm T
  • Dome / special shapeConsult — send the print

Source: KM Innovation ZnSe data sheet. Lot values on the quotation if your QA needs them against a serial.