Product Description
Optical ZnSe window is optical crystal glass with grinding and polished faces that are parallel to each other, windows can be a protection of original when it's in two physical environments. And there is almost no effect on visible light, to coat on the surface of windows could increase the transmittance, the commonly used coatings are antireflection coating (AR) and scratch-resistant coating(AS). Windows with coating can enhance the light penetration strength, and own function of waterproof, dustproof, and scratch-proof.
VY Optics Photoelectric Technology Co., Ltd. Offers all types of windows made from different materials. Special size and materials are also available upon request. In addition, we provide a variety of single layer or multiplayer anti-reflecting coating on optical windows.
>> Specification
Specification of our optical windows as follow:
*Material: BK7 or other materials
*Length tolerance: +/-0.01
*Width tolerance: +/-0.01
*Center thickness tolerance: 0.005mm
*Surface quality: 80-50 to 10-5 Scratch/Dig
*Surface flatness: < Lambda to lambda/20
*Parallelism< =1min -- 2sec
*Clear Apenture: 80% -- 100%
| 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. |
>> Company Introduction
>> Related Products
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.
>> FAQ
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, MoneyGram, West Union, Paypal and so on.
Q: How to ensure the safety of payment?
· VY Optics is a reliable supplier on Made-in-China, reputation and quality is life of our company.
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.
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