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Help CenterOptical Lenses Optic Windows Polishing
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optical lenses optic windows polishing
Windows are applied to isolate different physical environments while allowing light to passing through. When selecting windows, it's impossible to consider materials, transmission, scattering, wave front distortion, parallelism and resistance to certain environment. Shandong hengjing offers all kinds of windows, which are made from different materials. Windows of special sizes and materials are available upon requirement.
Single layer or multiplayer anti-reflecting or high-reflecting coatings on optical windows are available upon customer's requirement.
Parameters:
Specification |
BK7 Windows |
Fused Silica Windows |
MgF2/CaF2 |
Sapphire |
| Diameter Tolerance | +0.0, -0.1mm | +0.0, -0.1mm | +0.0, -0.1mm | +0.00nm, -0.2mm |
| Thickness Tolerance | ±0.2mm | ±0.2mm | ±0.2mm | ±0.2mm |
| Clear Aperture | >80% | >80% | >80% | >85% |
| Parallelism | 1'(Standard), 10"(High Precision) |
1'(Standard), 10"(High Precision) |
≤1minutes | ≤1minutes |
| Surface Quality | 60/40(Standard), 10/5(High Precision) |
60/40(Standard), 20/10(High Precision) |
≤1minutes | 60/40(Standard), 10/5(laser quality) |
| Wavefront Distortion | λ (Standard), λ /10(High Precision) per 25mm @633mm | λ (Standard), λ /10(High Precision) per 25mm @633mm | l /2 at 632.8 nm | 1/10λ @ 633mm |
| Bevel | <0.25mm x 45° | <0.25mm x 45° | Protective bevel | Protective bevel |
| Coating | 1 /4 wave MgF2@550nm | Uncoated | Based on requested | Based on requested |
| Chamfer | <0.25mm x 45° | |||
| Substrate Material | UV grade fused silica, or BK7 glass |
Q1: Are you a factory or trading company ?
A: We are a factory.We have been in optics field for 10 years
Q2: Where is your factory located ? How can i visit there ?
A:It is located in North-South 1st Road ,xiangguang Economic Development Zone,Yanggu county,Shandong Province,China
Welcome to visit our factory anytime
Q3: Can I customize the products based on my need?
A: Yes, we can customize the material, specifications and optical coating for your optical components based on your needs.
Q4: What's your MOQ?
A:
<![if !supportLists]>(1) <![endif]> For inventory, the MOQ is 1pcs.
(2) For customized products, the MOQ is 10pcs-20pcs.
Q5: Can i get the sample to test before the mass production ?
Sure ,we would like to offer the sample for you to test our quality before large order
Q6: How to pay?
A: T/T, Paypal, Western Union, Secure payment, Credit card and Assurance payment on Alibaba and etc..
Q7: What's the delivery time?
A:
For inventory: the delivery is 3 workdays after you place the order.
For customized products: the delivery is 2 or 4 workweeks after you place the order.
Q8: How to ensure the safety of payment?
A: Hengjing is the gold supplier of aibaba for more than 4 years and supports Alibaba Trade Assurance. We value our reputation in this field
Send Inquiry to This Supplier
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