>> Product Description
Chalcogenide glass spheres are advanced optical components made from chalcogenide materials, which primarily consist of sulfur, selenium, and tellurium. These glasses are highly valued for their exceptional infrared transmission and unique optical properties, making them ideal for a variety of infrared (IR) applications.
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>> Specification
Specifications:
Material: BK7, LaSFN9 glass or other optical glass
Sphericity: /4 at 633nm
Surface Quality: 20-10
Diameter: 1m
Coating (optional): R<1.5% avg per surface, 400-700nm at 0angle of incidence
Range of diameter |
Dia.0.7mm-Dia.400mm |
Range of curve radius |
R1.5-R∞ etc. |
Tolerance of diameter |
+/-0.1, +/-0.01, +/-0.005 etc. |
Surface accuracy |
λ , 1/2λ , 1/4λ , 1/10λ etc. |
Tolerance of Thickness |
+/-0.1, +/-0.05, +/-0.01 etc. |
Centration |
+/-2′, +/-1′ etc. |
Aperture N |
5, 1 etc. |
Irregularity ΔN |
2, 1, 0.5, 0.2 etc. |
Surface quality |
60/40, 40/20, 20/10, 10/5 etc. |
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VY Optics could also manufacture and design other optical elements, including achromatic lens, dome lens, filter, prism, ball lens, cylindrical lens, optical mirrors, spherical lens and rod lens, we can fabricate high-precision lens as per your requested.
Q: Do you provide samples? Is it free or charged?
· We'd like to supply samples for free if we have it in stock, but we don't pay freight.
Q:
How long is your delivery time?
· Regarding inventory, it is 3 working days;
· For customized one, it's about 15-25 working days, depended on exact quantity and order date.
Q:
Is it possible to customize special lens?
· Yes, to customize special optical element and coating are available here.
Q:
How to pay?
· T/T, online assurance payment, MoneyGram, West Union, Paypal and so on.
Q:
How to ensure the safety of payment?
· VY Optics is a reliable supplier not only audited on offline, but also on Made-in-China, reputation and quality is life of our company, and we support Made-in-China Trade Assurance.
Q:
How do you ship goods?
· Low value sample: EUB, E Express of China Post, which is cheap;
· Light weight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;
· Heavy cargo: by air or by sea, ship on pallet.
Our company enjoy a considerable discount owing to long-term cooperation with courier company.