OPTICAL PRODUCTION
CRYSTAL OPTICS
OPTICAL  COATINGS

www.optotl.com

:: Russian  ::  English  ::  Site map  ::  Feedback ::

:: Main :: Materials :: References :: Contacts :: Founders ::

 

 



 

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)  

FUSED SILICA IR Grade SiO2

Properties:  Optical • Thermal • Mechanical • Chemical
 
Refractive Index at ne
1.4601
Refractive Index at nF'-nC'
0.0068
Refractive Index at nD
1.4584
Thermal Coefficient of Refractive Index at ne,îÑ-1 for  +20îÑ
10• 10-6
Transmission Range, microns (thickness 10ìì)
0.18¸3.5
    Transmittance ti(l) vs. wavelength l
 

 
 Internal Transmittance ti(l) vs. 
wavelength l
l,ìêì
ti(l)
0.220
0.220 
0.230
 0.435
0.240
 0.525
0.260
0.800
0.270
0.930
0.280
0.999
0.700
0.999
1.000
0.999
1.500
0.999
2.000
0.999
2.720
0.999
2.800
0.955
2.900
0.900
3.000
0.870
3.750
0.180
 
Refractive Index n vs.
wavelength l
l,ìêì
n(l)
0.1700
 1.615
0.1850
 1.575
0.2000
 1.550
0.2144
1.5337
0.2803
1.4940 
0.3021
1.4872 
0.3650
1.4745
0.4046
1.4696
0.4358
1.4666
0.5461
1.4601
0.5876
1.4585
0.5893
1.4584
0.6438
1.4567
0.6563
1.4564
0.8621
1.4525
1.0830
1.4494
1.3950
1.4458
1.7091
1.4421
2.0581
1.4372
3.2439
1.4131
Thermal Linear Expansion  at, îÑ-1 for 0¸+50îÑ
4.0• 10-6
Thermal Conductivity, W/(m • îÑ) at 20 îÑ
1.35
Specific Heat Capacity, J/(kg • îÑ) 
728.0
Melting Point, îÑ
1900
Density, g/cm3 at 20  îÑ
2.21
Poisson Ratio
0.17
Young Modulus (Å), Pa
7.36• 1010
Shear Modulus (G),  Pa
3.14• 1010
Solubility SiO2
in water
in acids
insoluble
insoluble

"Opto-Technological Laboratory" produces lenses, windows, prisms, wedges, ball lenses, cylindrical lenses and others optical components according to customers’ specifications and drawings out of fused silica IR grade .

 
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		 :: Main :: Materials :: References :: Contacts :: Founders  ::

Phone/Fax:   +7 (812) 347-76-90                        Made in SOTBI 2007 ©