Product Description
An image intensifier or image intensifier tube is a vacuum tube device for increasing the intensity of available light in an optical system to allow use under low-light conditions, such as at night, to facilitate visual imaging of low-light processes, such as fluorescence of materials in X-rays or gamma rays (X-ray image intensifier), or for conversion of non-visible light sources, such as near-infrared or short wave infrared to visible. They operate by converting photons of light into electrons, amplifying the electrons (usually with a microchannel plate), and then converting the amplified electrons back into photons for viewing. They are used in devices such as night-vision goggles.
Specification
| Material |
BK7, Fused Silica, Ge, Si, CaF2,ZnSe, ZnS, LN, LT etc. |
| Diameter |
3mm - 460mm |
| Thickness |
0.15mm - 30mm |
| Surface Figure |
λ/10 (PV flat surface can achieve 0.03um per 150mm) |
| Dia. Tolerance |
+0.01, -0.01 mm |
| Thickness Tolerance |
+/-0.1 mm |
| Clear Aperture |
95% |
| Surface Quality |
10-5 |
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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.
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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, Alibaba 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 Alibaba, but also on Made-in-China, reputation and quality is life of our company, and we support Alibaba 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.
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