Zinc selenide (ZnSe) is the most popular material for infrared applications. Due to covering a very wide transmission range of 0.6-22 µm, CVD-grown ZnSe is used as a high optical quality material for the fabrication of optical components. We provide ZnSe lenses to our customers.
Request bulk or custom formats
Catalog Number
ACMA00028162
Product Name
Meniscus Zinc Selenide Lenses, 75mm±2%@10.6µm, ø25.4mm
Melting Point
1525 ℃
Diameter
ø 25.4 mm
DimensionTolerance
diameter±0.13mm/thickness±0.1 mm
Coating
both surfaces AR coated @ 10.6 µm, R ≤ 0.5% per surface
Surface Quality
40-20 scratch & dig
Crystal Structure
cubic
Density
5.27 g/cm3
Absorption Coefficient
(Bulk) @10.6 µm, 0.6-1.0×10-3 cm-1
Refractive Indices
@ 8-13 µm, n = 2.417-2.385
@ 10.6 µm, n = 2.403
Expansion Coefficient
(Thermal expansion coefficient) 8.56×10-6 ℃-1
Transmission
0.6-22 µm
Material
ZnSe
Type
Meniscus
Focal Length
75mm±2%@10.6µm
MSDS
COA
Spec Sheet
1. Low absorption at the red end of the visible spectrum; 2. Not hygroscopic; 3. Quite stable in laboratory environment.
ZnSe lenses are widely used in the manufacture of high power IR lasers.