Square windows

Plano-convex lenses are used in many optical instruments including telescopes, collimators, magnifiers, radiometers, optical transceivers, and condensers

　

Square windows Specifications:
Material	BK7,Fused silica,Pyrex.
Parallelism	<10 arc seconds
Clear Aperture	90%
Surface Quality	10-5 scratch and dig
Surface Flatness	λ//10
Coating	AR coating @ VIS range / NIR range

List of Product Tables

Part No.	Edge Dimensions (mm)	Thickness (mm)	Material
XWA-001	3.0	0.8	BK7
XWA-002	5.0	1.0	BK7
XWA-003	10.0	3.0	BK7
XWA-004	12.7	3.0	BK7
XWA-005	25.4	3.0	BK7
XWA-006	50.8	5.5	BK7