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Shenyang Yibeite Optics Co., Ltd.offers standard and high precision optical windows in round,square, wedge shapes. We also support custom made optical windows in a variety of substrates, such as UV Fused silica, N-BK7, Germanium(Ge), Silicon(Si),Zinc Selenide(ZnSe). The high precision parallelism of 10 arc seconds, surface quality of 10/5 and flatness of λ/20.Single layer or multi-layer anti-reflection coatings are available.
| BK7 Windows |
| General specifications |
Diameter | 0.2-300mm |
Thickness | 0.1-100mm |
Dimension tolerance | +/-0.1mm or +/-0.02mm |
Surface quality (scratch & dig) | 60/40, 40/20 or better |
Clear aperture | >85%, >90% |
Surface accuracy | L/10 L/2 L |
Parallelism | +/-3' ,+/-30'' |
Bevel | 0.1~0.3mm x 45 degree |
Coating | AR, BBAR or Custom |
| The wavelength of general optical windows' substrate( without coating) |
| Materials characteristics |
| Item | B270 | CaF2 | Ge | MgF2 | N-BK7 | Sapphire | Si | UV Fused Sillca | ZnSe | ZnS |
| Refractive index(nd) | 1.523 | 1.434 | 1.003 | 1.413 | 1.517 | 1.768 | 3.422 | 1.458 | 2.403 | 2.631 |
| Coeffcient of dispersion(Vd) | 58.5 | 95.1 | N/A | 106.2 | 64.2 | 72.2 | N/A | 67.7 | N/A | N/A |
| Density(g/cm3) | 2.55 | 3.18 | 5.33 | 3.18 | 2.46 | 3.97 | 2.33 | 2.20 | 5.27 | 5.27 |
| TCE(μm/m℃) | 8.2 | 18.85 | 6.1 | 13.7 | 7.1 | 5.3 | 2.55 | 0.55 | 7.1 | 7.6 |
| Soften Temperature(℃) | 533 | 800 | 936 | 1255 | 557 | 2000 | 1500 | 1000 | 250 | 1525 |
| Knoop hardness(kg/mm2) | 542 | 158.3 | 780 | 415 | 610 | 2200 | 1150 | 500 | 120 | 120 |
| Optical windows finished products |
YBT Optics is a professional manufacturer of precision optical components and optical lenses. Advanced processing equipment and complete production sysytem are effectively control production process and ensure product quality. If you want to get more information, please click: Shenyang Yibeite Optics Co., Ltd.
| YBT Optics' products |
Optical Windows | ||
| ||
Related Products | ||
| Diffraction Gratings | Optical Lenses | Optical Prisms |
Cylindrical Lenses | Optical Mirrors | Optical Filters |
| Contact Us |
TEL: 86-24-25335360
E-MAIL: info@ybtoptics.com
WEBSITE: www.ybtoptics.com
ADDRESS: Xinghai Road 19-1, ETDZ, Shenyang, Liaoning, China, 110141
| Packaging |
Inner packing----special protective packing for optical products
Outer packing----carton, Shock absorption material and bubble wrap
Keep cleaning, anti-static,shock treatment, YBT Optics will take different packagings according to quantity and shape
| Shipping |
Safely and fastly deliver goods to your hands, YBT generally recommend that you choose below types of shipping.Safely and fastly deliver goods to your hands, YBT generally recommend that you choose below types of shipping.Or we can help you to choose the cheapest shipping way in Alibaba. To most countries, generally 1-3 working days you will receive goods.
| Q:Why to choose YBT? |
A .YBT is a factory manufactuer offers custom varied high quality optical products.
B.A compelet set of trade serves timely.
C.Stable delivery,General produce time:7-20 days.
| Q:How to pay? |
USD to TT,paypal, Alipay,Moneygram, Western Union, Bank transfer, secured payment.
Finding a reliable supplier and ensuring
error-free production can be overwhelming.
As a leading sourcing company in China,
We have hundreds of experrts who can handle
the entire sourcing process from finding
suppliers to delivering products.
