ZnSe Substrate
Zinc selenide (ZnSe) crystal substrate is widely used in the field of infrared optics, lens, window, beam splitter, epitaxial substrate, evaporation source crystal and so on.
OST Photonics offers high quality ZnSe substrates for researchers and industries. Crystal orientation, size and thickness can be customized according to your requirements.
Features
Low optical transmission loss
Good light transmission performance
Uniform refractive index
Good consistency
Applications
Thermal imaging system
Epitaxial substrate
Infrared spectrometer
Thermal radiation measuring instrument
Laser optical element
Processing Capability
Orientation: <100>, <110>, <111>, etc.
Dimension: 1”, 2”, 5x5mm, 10x5mm, 10x10mm, etc.
Thickness: 0.5mm, 1.0mm, 2mm, 5mm, etc.
Available items: wafers, substrates, blanks and customized optics
Specification and Properties of ZnSe Substrates
Crystal System | Cubic |
Growth Method | PVT |
Crystal Lattice Constant | a=5.6685 Å |
Purity | 99.95% |
Density | 5.264 g/cm3 |
Dielectric Constant | 8.976 |
Thermal Expansion Coefficient | 7.1 ppm/℃ |
Refractive Index | 2.5 |
Orientation | <100>,<110>,<111>, etc. |
Orientation Tolerance | ±0.5° or better |
Dimension | 1”, 2”, 5x5mm, 10x5mm, 10x10mm, etc. |
Dimension Tolerance | ±0.1 mm or better |
Thickness | 0.5mm, 1.0mm, 2mm, 5mm, etc. |
Thickness Tolerance | ±0.05 mm or better |
Surface Finish | Single side polished (SSP)/Double sides polished (DSP) |
Surface Roughness | Ra<5Å (5µmx5µm) |
Package | Class 100 clean bag, Class 1000 super clean room |