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Interferometers  ::  Sapphire optics  ::  Optical coatings

 
 
 

Al2O3 sapphire Ge germanium GaAs gallium arsenide Si silicon LiF lithium fluoride
CaF2 calcium fluoride BaF2 barium fluoride MgF2 magnesium fluoride NaCl sodium chloride KCl potassium chloride
KBr potassium bromide ZnSe Sublimate zinc selenide ZnSe CVD zinc selenide ZnS zinc sulfide Quartz Crystalline ( SiO2 )
Zerodur® BK7 Fused Silica UV Grade (SiO2) Fused Silica IR Grade (SiO2)  

ZINC SELENIDE (Regular grade) ZnSe CVD

Properties:  Crystallographic OpticalThermalMechanicalChemical
 
Syngony
Cubic
Symmetry Class
43m
Refractive Index at n10.6
2.4028
Thermal Coefficient of Refractive Index at l=10.6 microns,îÑ-1 
6.1 10-5
Transmission Range, microns (thickness 10ìì)
0.55¸20
Transmittance ZnSe CVD ti(l) vs. wavelength l

 
Refractive Index n vs.
wavelength l
l,ìêì
n(l)
0.58
 2.6754
1.0
 2.4892
3.0
2.4376 
5.0
2.4295
7.0
2.4218
9.0
2.4122
10.6
2.4028
11.0
2.4001
13.0
2.3850
15.0
2.3623
17.0
2.3448
Thermal Linear Expansion  at, îÑ-1 at 27îÑ
7.57 10-6
Thermal Conductivity, W/(m îÑ) at 20 îÑ
16
Specific Heat Capacity, J/(kg îÑ) 
339
Density, g/cm3 at 20  îÑ
5.27
Mohs Hardness
4
Poisson Ratio
0.28
Young Modulus (Å), Pa
7.031010
Solubility ZnSe CVD
in water at 18 îÑ
g/100cm3
in acids
insoluble
soluble

"Opto-Technological Laboratory" produces lenses, windows, prisms, wedges, ball lenses, cylindrical lenses and others optical components according to customers’ specifications and drawings out of crystals zinc selenide  CVD  ( ZnSe CVD ) .

 

Al2O3 sapphire Ge germanium GaAs gallium arsenide Si silicon LiF lithium fluoride
CaF2 calcium fluoride BaF2 barium fluoride MgF2 magnesium fluoride NaCl sodium chloride KCl potassium chloride
KBr potassium bromide ZnSe Sublimate zinc selenide ZnSe CVD zinc selenide ZnS zinc sulfide Quartz Crystalline ( SiO2 )
Zerodur® BK7 Fused Silica UV Grade (SiO2) Fused Silica IR Grade (SiO2)  

 

  Joint Stock Company "Opto - Technological Laboratory"
  9,Mendeleevskaja ul., Saint-Petersburg, Russia
  E-mail: sales@optotl.ru
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