Product Details

Parameters:

Specification	BK7 Windows	Fused Silica Windows	MgF2/CaF2	Sapphire
Diameter Tolerance	+0.0, -0.1mm	+0.0, -0.1mm	+0.0, -0.1mm	+0.00nm, -0.2mm
Thickness Tolerance	±0.2mm	±0.2mm	±0.2mm	±0.2mm
Clear Aperture	>80%	>80%	>80%	>85%
Parallelism	1'(Standard), 10"(High Precision)	1'(Standard), 10"(High Precision)	≤1minutes	≤1minutes
Surface Quality	60/40(Standard), 10/5(High Precision)	60/40(Standard), 20/10(High Precision)	≤1minutes	60/40(Standard), 10/5(laser quality)
Wavefront Distortion	λ (Standard), λ /10(High Precision) per 25mm @633mm	λ (Standard), λ /10(High Precision) per 25mm @633mm	l /2 at 632.8 nm	1/10λ @ 633mm
Bevel	<0.25mm x 45°	<0.25mm x 45°	Protective bevel	Protective bevel
Coating	1 /4 wave MgF2@550nm	Uncoated	Based on requested	Based on requested
Chamfer				<0.25mm x 45°
Substrate Material				UV grade fused silica, or BK7 glass

Standard			High Precision
Part No.	ø(mm)	T(mm)	Part No.	ø(mm)	T(mm)
WIN2010	10.0	3.0	WIN2110	10.0	6.0
WIN2012	12.7	3.0	WIN2112	12.7	6.0
WIN2015	15.0	3.0	WIN2115	15.0	6.0
WIN2020	20.0	3.0	WIN2120	20.0	6.0
WIN2025	25.4	3.0	WIN2125	25.4	6.35
WIN2030	30.0	3.0	WIN2130	30.0	6.35
WIN2050	50.8	6.35	WIN2150	50.8	10.0

About Us:

FAQ

Q1: Are you a factory or trading company ?

A: We are a factory.We have been in optics field for 10 years

Q2: Where is your factory located ? How can i visit there ?

A:It is located in North-South 1^st Road ,xiangguang Economic Development Zone,Yanggu county,Shandong Province,China

Welcome to visit our factory anytime

Q3: Can I customize the products based on my need?

A: Yes, we can customize the material, specifications and optical coating for your optical components based on your needs.

Q4: What's your MOQ?

<![if !supportLists]>(1) <![endif]> For inventory, the MOQ is 1pcs.
(2) For customized products, the MOQ is 10pcs-20pcs.

Q5: Can i get the sample to test before the mass production ?

Sure ,we would like to offer the sample for you to test our quality before large order

Q6: How to pay?

A: T/T, Paypal, Western Union, Secure payment, Credit card and Assurance payment on Alibaba and etc..

Q7: What's the delivery time?

For inventory: the delivery is 3 workdays after you place the order.
For customized products: the delivery is 2 or 4 workweeks after you place the order.

Q8: How to ensure the safety of payment?

A: Hengjing is the gold supplier of aibaba for more than 4 years and supports Alibaba Trade Assurance. We value our reputation in this field