Product Details

High Precision Fused Silica Windows

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

Our factory

Inspection & Package

Exhibitions

Delivery

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