FTIR Zinc Selenide Windows

The FTIR (Fourier Transform Infrared Spectrometer) window made of ZnSe material has significant advantages in the field of infrared spectroscopy analysis. Zinc selenide is a chemically stable binary compound that is not easily reacted with other substances, ensuring the long-term stability of the window during use. At the same time, it has great advantages in transparency, low absorption rate, and mechanical strength. It is widely used in infrared spectrum analysis, laser technology, thermal imaging, infrared imaging and other fields. In addition to zinc selenide materials, micron optics can also provide FTIR window pieces made of calcium fluoride, barium fluoride, lithium fluoride, silicon, zinc sulfide, fused silica and other materials.

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The product undergoes multiple inspections before being stored, and the quality is guaranteed. Please use it with confidence.

Spot products, shipped within 48 hours. For non stock or customized products, please consult.

International order logistics include DHL, FedEx, TNT, and EMS

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Optical products are special items and cannot be returned or exchanged unless there is a quality issue with the product itself

If you need customization or bulk production, please contact us online and we will offer you a discounted price.

	Dia(mm)	ThK(mm)	Surface Quality	Surface Accuracy	Substrate Material
	Screen Reset Customizable	Screen Reset Customizable	Screen Reset 60-40	Screen Reset 5(3)	Screen Reset Zinc Selenide
More+ Less	Customizable	Customizable	60-40	5(3)	Zinc Selenide
FTIR Zinc Selenide Windows Number：PZE01- Dia(mm)：Customizable ThK(mm)：Customizable Surface Quality：60-40 Surface Accuracy：5(3) Parallelism：3′ Diameter Tolerance(mm)：0.0/-0.1 Thk Tolerance(mm)：±0.1 Transmission Range：0.5-15μm Substrate Material：Zinc Selenide Bevel(mm)：0.35 Chipping(mm)：/ REACH：Compliant ROHS：Compliant

Material Data
Physical Properties
Crystal Structure	Cubic
Density [g/cm3]	5.27
Resistivity [Ω.cm]	～1012
Melting Point [℃]	1525
Chemical Purity[%]	99.9996
Thermal Expansion [1/K]	7.110-6@273k 7.810-6@373k 8.3*10-8@473k
Thermal Conductivity [J/k.m.s]	18.0@298k
Specific Heat Capacity [J/g.K]	0.339@298k
Knoop Hardness [kg/mm2]	110
Bending Strength [Mpa]	55
Young's Modulus [GPa]	67.2
Poisson's Coefficient	0.28
Optical Properties
Optical Properties	0.5-22μm
Refractive index inhomogeneity [△n/n]	<3*10-6@632.8μm
Absorption coefficient [1/cm]	5.010-3@1300nm 7.010-4@2700nm 4.010-4@3800nm 4.010-4@5250nm 5.0*10-4@10600nm
Thermal light coefficient [1/k,298-358k]	1.0710-4@632.80nm 7.010-5@1150nm 6.210-5@3390nm 6.110-5@10600μm

Wavelength(nm)	Refractive Index(n)	Wavelength(nm)	Refractive Index(n)
620	2.5994	10600	2.4028
1000	2.4892	13000	2.385
3800	2.4339	14600	2.3705
5000	2.4295	16600	2.3487
7000	2.4218	17800	2.3333
9000	2.4122	18200	2.3278