Leading Manufacturer for Precision Glass Machining - Sapphire Optical Windows – LZY

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Our staff through skilled training. Skilled skilled knowledge, potent sense of company, to satisfy the provider requirements of consumers for Frosted Laser Cavity Filter, Square-Hole Micro Capillary, Multi-Hole Laser Flow Tube, We have professional products knowledge and rich experience on manufacturing. We always believe your success is our business!

Leading Manufacturer for Precision Glass Machining - 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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With this motto in mind, we've got become among essentially the most technologically innovative, cost-efficient, and price-competitive manufacturers for Leading Manufacturer for Precision Glass Machining - Sapphire Optical Windows – LZY , The product will supply to all over the world, such as: Malaysia, Cairo, Bangladesh, Our Company has professional engineers and technical staff to answer your questions about maintenance problems, some common failure. Our product quality assurance, price concessions, any questions about the products, Please feel free to contact us.

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Cooperate with you every time is very successful, very happy. Hope that we can have more cooperation!

By Jacqueline from venezuela - 2018.06.21 17:11

The quality of the products is very good, especially in the details, can be seen that the company work actively to satisfy customer's interest, a nice supplier.

By John biddlestone from Liverpool - 2018.09.29 17:23

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