China Optical Sapphire Glass Oval Windows Ellipse Wafer Used on Medical Equipment

>> Product Description
The shape of oval windows is difficult to control at the begining of first production, after processing many times, finally we could keep the best quality of oval windows for customs. The price of big quantity will be very competitive and attrative, welcome to your
The oval windows used on medical equipment. The window 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.
Optical windows by BK7 glass, fused silica, sapphire and float glass, B270 glass and so on. Dimension
Depends on your requirement.
We offer 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%

materialBK7 or other materiallength/width tolerance+/-0.01mmcenter thickness tolerance0.005mmsurface quality80/50-10/5

Range of diameterDia.0.7mm-Dia.400mmRange of curve radiusR1.5-R∞ etc.Tolerance of diameter+/-0.1, +/-0.01, +/-0.005 etc.Surface accuracyλ , 1/2λ , 1/4λ , 1/10λ etc.Tolerance of Thickness+/-0.1, +/-0.05, +/-0.01 etc.Centration+/-2′, +/-1′ etc.Aperture N5, 1 etc.Irregularity ΔN2, 1, 0.5, 0.2 etc.Surface quality60/40, 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:
· We'd like to supply samples for free if we have it in stock, but we don't pay freight.
Q:
· 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:
· Yes, to customize special optical element and coating are available here.
Q:
· T/T, Alibaba online assurance payment, MoneyGram, West Union, Paypal and so on.
Q:
· VY Optics is a reliable supplier not only audited on Alibaba, but also on Made-in-China, reputation and quality is life of our company, and we support Alibaba Trade Assurance.
Q:
· 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.