2022 Good Quality Quartz Viewport Glass - Sapphire Optical Windows – LZY

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We can constantly satisfy our respected customers with our good high quality, good price tag and good support due to we have been additional specialist and extra hard-working and do it in cost-effective way for Cerium-Doped Quartz Plates, Customizable Precision Fused Quartz Glass Machining, Quartz Components, To benefit from our strong OEM/ODM capabilities and considerate services, please contact us today. We will sincerely create and share success with all clients.

2022 Good Quality Quartz Viewport Glass - 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

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

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We offer wonderful energy in high-quality and improvement,merchandising,product sales and marketing and advertising and procedure for 2022 Good Quality Quartz Viewport Glass - Sapphire Optical Windows – LZY , The product will supply to all over the world, such as: Auckland, San Diego, New York, We are seeking the chances to meet all the friends from both at home and abroad for the win-win cooperation. We sincerely hope to have long-term cooperation with all of you on the bases of mutual benefit and common development.

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The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.

By Vanessa from Albania - 2018.12.28 15:18

The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!

By Meroy from Riyadh - 2017.07.28 15:46

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