Wholesale Price China Quartz Glass Slides - Sapphire Optical Windows – LZY

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Wholesale Price China Quartz Glass Slides - Sapphire Optical Windows – LZY Detail:

Uncoated sapphire has excellent surface hardness, and the range of transmittance extends from ultraviolet to mid-infrared wavelength region. Sapphire can only be scratched by a few substances other than it. The uncoated substrate is chemically inert and insoluble in water, common acids or alkalis at temperatures up to about 1000°C. Our sapphire window is a z-axis section, so the c-axis of the crystal is parallel to the optical axis, eliminating the birefringence effect of transmitted light.

Specification

Dimension Tolerance: 0.0/-0.1mm
Thickness Tolerance: ±0.1mm
Clear Aperture: ≥90%
Surface Quality: 40/20(Dimension≤50.8mm) 60/40(Dimension>50.8mm)
Flatness: λ/4@633nm
Parallelism: ≤1′
Chamfer: 0.2×45°

Sapphire Protective Windows

Shape Forming Method

CNC or laser

Product Characteristics

Product Characteristics

Material Properties

Sapphire is a single crystal aluminum oxide (Al2O3). It is one of the hardest materials. Sapphire has good transmission characteristics over the visible, and near IR spectrum. It exhibits high mechanical strength, chemical resistance, thermal conductivity and thermal stability. It is often used as window materials in specific field such as space technology where scratch or high temperature resistance is required.

Molecular Formula Al2O3
Density 3.95-4.1 g/cm3
Crystal Structure Hexagonal Lattice
Crystal Structure a =4.758Å , c =12.991Å
Number of molecules in unit cell 2
Mohs Hardness 9
Melting point 2050 ℃
Boiling Point 3500 ℃
Thermal Expansion 5.8×10-6 /K
Specific Heat 0.418 W.s/g/k
Thermal Conductivity 25.12 W/m/k (@ 100℃)
Refractive Index no =1.768 ne =1.760
dn/dt 13×10 -6 /K(@633nm)
Transmittance T≈80% (0.3~5μm)
Dielectric Constant 11.5(∥c), 9.3(⊥c)

Transmission Curve of Sapphire Optical Window

Transmission Curve of Sapphire Optical Window


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Wholesale Price China Quartz Glass Slides - Sapphire Optical Windows – LZY detail pictures

Wholesale Price China Quartz Glass Slides - Sapphire Optical Windows – LZY detail pictures

Wholesale Price China Quartz Glass Slides - Sapphire Optical Windows – LZY detail pictures


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"Quality to start with, Honesty as base, Sincere company and mutual profit" is our idea, as a way to build constantly and pursue the excellence for Wholesale Price China Quartz Glass Slides - Sapphire Optical Windows – LZY , The product will supply to all over the world, such as: Brunei, Grenada, kazan, Our factory is equipped with complete facility in 10000 square meters, which makes us be able to satisfy the producing and sales for most auto part solutions. Our advantage is full category, high quality and competitive price! Based on that, our products win a high admiration both at home and abroad.
  • The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
    5 Stars By Anna from Borussia Dortmund - 2018.09.16 11:31
    This supplier offers high quality but low price products, it is really a nice manufacturer and business partner.
    5 Stars By Rae from Moldova - 2017.05.02 11:33
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