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optical caf2 glass plate circular window calcium fluoride wafer

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Product description

optical caf2 glass plate circular window calcium fluoride wafer

Optical Windows

Optical windows are falt, plane parallel plates which are often used as protective barriers for electronic sensors or detectors from outside environments. When selecting windows, please consider materials, transmission, scattering, parallelism and resisitance to certain environment or mechanical properties of the substrate.

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.

CaF2 Windows

CaF2 Windows

General specifications

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)

The wavelength of general optical windows' substrate( without coating)

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Materials characteristics

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

Optical windows finished products Optical winows.jpg

Company Information

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.

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YBT Optics' products

YBT Optics' products

Optical Windows
BK7 Windows	Fused silica Windows	Sapphire Windows
Silicon Windows	Germanium Windows	CaF2 Windows
BaF2 windows	ZnSe Windows

Related Products
Diffraction Gratings	Optical Lenses	Optical Prisms
Cylindrical Lenses	Optical Mirrors	Optical Filters

Contact Us

Contact Us

TEL: 86-18240242169

E-MAIL: sales01@ybtoptics.com

WEBSITE: www.ybtoptics.com

ADDRESS: Xinghai Road 19-1, ETDZ, Shenyang, Liaoning, China, 110141

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Packaging & Shipping

Packaging

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

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.

FAQ

Q:Why to choose YBT?

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?

Q:How to pay?

USD to TT,paypal, Alipay,Moneygram, Western Union, Bank transfer, secured payment.

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optical caf2 glass plate circular window calcium fluoride wafer

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