Specifications

Double Side Polished Optical Step Windows
1 High Precision
2 Competitive Price
3 Quick Delivery
4 Custom Size Available.

Application:

 

Step windows are used in a wide variety of applications where spectral isolation is required.

   

They are widely used in electro-optics, aerospace, bio-medical areas.

 

 

Technical Data:

 

Factor	Low Precision	Standard Precision	High Precision
Materials	N-BK7, H-K9L, b270, Fused Silica, Quartz
Diameter	Ø1.5~500mm
Thickness Range	0.1~50mm
Diameter Tolerance	±0.1mm	±0.05mm	±0.01mm
Thickness Tolerance	±0.1mm	±0.05mm	±0.005mm
Parallelism	<10 arc min	<5 arc min	<2 arc seconds
Surface Accuracy	2λ	λ/4	λ/20
Surface Quality	60/40	40/20	20/10,10/5
Surface Roughness	50Å	10Å	5Å
AR Coating	R<1%	R<0.5%	R<0.2%
Protective Bevel	0.2mm±45°

 

 

Our step windows are fully customized to your specifications.

 

 

 

 

There  are other products supplied.

 

       

 

 

 

Our company :

 

We are specialized in the production of various specifications of optical components according to the customers' demand,  And we are committed our standard more than eight years to offering our customers with excellent products, reasonable prices and high level of service.

 

 

 

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Overseas exhibition :