|
|
|
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)
|
|
0.170
|
0.63
|
|
0.200
|
0.96
|
|
0.400
|
0.999
|
|
0.500
|
0.999
|
|
0.700
|
0.999
|
|
0.900
|
0.999
|
|
1.000
|
0.999
|
|
1.385
|
0.880
|
|
2.000
|
0.999
|
|
2.200
|
0.580
|
|
2.300
|
0.880
|
|
2.380
|
0.950
|
|
2.500
|
0.790
|
|
2.720
|
0.000
|
|
2.800
|
0.000
|
|
2.900
|
0.295
|
|
3.000
|
0.670
|
|
|
|
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
|
|
in water
|
in acids
|
|
insoluble
|
insoluble
|
|
"Opto-Technological Laboratory" produces mirrors, lenses, windows, prisms, wedges, ball lenses, cylindrical lenses and others optical components according to customers’ specifications and drawings out of fused silica UV grade . |
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