Double Side Polished Far-UV Fused Silica Quartz Glass Sheets Plate 30*30*1mm
If you are putting a Grove Sunlight / IR / UV sensor in a weather proof container, you should use a far-UV transparent Silica Quartz plate for the window over the sensor.
However, remember most plastics and glass are basically impervious to UV radiation (that’s why your Photogray sun glasses don’t work well in a car) so you need to use a special plastic or what I prefer, Silica Quartz. These Quartz JGS1 windows will let the UV through.
JGS1 is transparent in the ultraviolet and visible regions, and has no absorption hands in 170-250 nm wavelength intervals. It has intensive OH absorption band in the interval of wavelength 2600-2800 nm. JGS1 is used for optics operating in the deep UV and the visible wavelength range (Laser Lenses, Windows, Prisms, Mirrors, etc.). It is practically free of bubbles and inclusions.
Specifications
Size：30mm x 30mm x 1mm
Material：JGS1 quartz
Silica content:：99.99%
Color：Colorless and transparent
Features
-Resistant to acid (corrosive effect of the glass itself, except hydrofluoric acid)
-Alkali resistant, able to withstand 6mol / L sodium hydroxide. Etching 24 hours unglued, no penetration phenomenon.
-High temperature, can withstand temperatures of 600 °.
-Resistance to organic solvents, can withstand ethanol, carbon tetrachloride and benzene. Organic etching medium 24 hours unglued, no leakage
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aterial Specification: |
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Parameter|Value |
UV grade Fused Silica |
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Maximum Size |
|
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Transmission Range(Medium transmission ratio) |
0.17~2.10um(Tavg>90%) |
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OH- Content |
1200 ppm |
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Fluorescence (ex 254nm) |
Virtually Free |
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Impurity Content |
5 ppm |
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Birefringence Constant |
2-4 nm/cm |
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Melting Method |
Synthetic CVD |
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Applications |
Laser substrate: Window, lens, prism, mirror... |
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Hardness |
5.5 - 6.5 Mohs' Scale 570 KHN 100 |
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Design Tensile Strength |
4.8x107 Pa (N/mm2)(7000 psi) |
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Design Compressive Strength |
Greater than 1.1x109 Pa (160,000 psi) |
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Bulk Modulus |
3.7x1010 Pa (5.3x106 psi) |
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Rigidity Modulus |
3.1x1010 Pa (4.5x106 psi) |
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Young's Modulus |
7.2x10-10 Pa (10.5x106 psi) |
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Poisson's Ratio |
0.17 |
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Coefficient of Thermal Expansion |
5.5x10-7cm/cm.°C (20°C-320°C) |
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Thermal Conductivity |
1.4 W/m.°C |
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Specific Heat |
670 J/kg.°C |
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Softening Point |
1683°C |
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Annealing Point |
1215°C |
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Strain Point |
1120°C |
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Electrical Receptivity |
7x107 ohm.cm (350°C) |
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Dielectric Properties (20°C and 1 MHz) Constant Strength Loss Factor Dissipation Factor |
3.75 5x107 V/m Less than 4x10-4 Less than 1x10-4 |
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Velocity of Sound-Shear Wave |
3.75x103 m/s |
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Velocity of Sound/Compression Wave |
5.90x103 m/s |
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Sonic Attenuation |
Less than 11 db/m MHz |
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Permeability Constants (cm3mm/cm2 sec cm of Hg) Helium Hydrogen Deuterium Neon |
(700°C) 210x10-10 21x10-10 17x10-10 9.5x10-17 |
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Chemical Stability (except hydrofluoric) |
High resistance to water and acids
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Properties |
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Density |
2.20g/cm3 |
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Abbe Constant |
67.6 |
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Refractive Index (nd) at 588nm |
1.4586 |
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Wavelength (um) |
Refractive Index (n) |
Wavelength (um) |
Refractive Index (n) |
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0.200 |
1.55051 |
1.000 |
1.45042 |
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0.220 |
1.52845 |
1.064 |
1.44962 |
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0.250 |
1.50745 |
1.100 |
1.44920 |
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0.300 |
1.48779 |
1.200 |
1.44805 |
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0.320 |
1.48274 |
1.300 |
1.44692 |
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0.360 |
1.47529 |
1.500 |
1.44462 |
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0.400 |
1.47012 |
1.600 |
1.44342 |
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0.450 |
1.46557 |
1.700 |
1.44217 |
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0.488 |
1.46302 |
1.800 |
1.44087 |
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0.500 |
1.46233 |
1.900 |
1.43951 |
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0.550 |
1.46008 |
2.000 |
1.43809 |
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0.588 |
1.45860 |
2.200 |
1.43501 |
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0.600 |
1.45804 |
2.400 |
1.43163 |
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0.633 |
1.45702 |
2.600 |
1.42789 |
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0.650 |
1.45653 |
2.800 |
1.42377 |
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0.700 |
1.45529 |
3.000 |
1.41925 |
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0.750 |
1.45424 |
3.200 |
1.41427 |
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0.800 |
1.45332 |
3.370 |
1.40990 |
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0.850 |
1.45250 |
3.507 |
1.40566 |
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0.900 |
1.45175 |
3.707 |
1.39936 |