GeneralPurposeplanewindowsFlatpolishedsurfaceLaserfinishbothsidesApplyanyanti-reflectingcoatingThesegeneralpurposeplanewindowsarepolishedtoλ/10flatnessexceptwhereindicatedotherwise.Theyareintendedfort

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Aspheric Lenses

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Detailed

Parameters

General Purpose plane windows

Flat polished surface

Laser finish both sides

Apply any anti-reflecting coating

These general purpose plane windows are polished to λ/10 flatness except where indicated otherwise. They are intended for transmissive use and are parallel to better than 3 arcmin or 10 arcsec. Select a coating appropriate to your application or contact us with your special coating requirements.

Specifications

Surface Flatness: See table--measured@ 633nm

Surface Quality 　　<10/5(both sides)

Parallelism 　WI: ≤3 arcmin

PW: ≤10 arcsec

Diameter Tolerance <+0.00/-0.20mm

Thickness Tolerance <±0.25mm

Clear Aperture ≥85% of diameter

Bevel 0.3mm(typical)*45°

Part No.		D Diameter(inches)	T Thickness	Material	Flatness
≤3 arcmin	≤10 arcsec	D Diameter(inches)	T Thickness	Material	Flatness
WI-1206B	PW-1206B	0.50	0.250″	BK7A	λ/10
WI-1906B	PW-1906B	0.75	0.250″	BK7A	λ/10
WI-1909B	PW-1909B	0.75	0.375″	BK7A	λ/10
WI-2505B	PW-2505B	1.00	5.0mm	BK7A	λ/10
WI-2506B	PW-2506B	1.00	0.250″	BK7A	λ/10
WI-2509B	PW-2509B	1.00	0.375″	BK7A	λ/10
WI-3809B	PW-3809B	1.50	0.375″	BK7A	λ/10
WI-5005B	PW-5005B	2.00	5.0mm	BK7A	λ/10
WI-5006B	PW-5006B	2.00	0.250″	BK7A	λ/10
WI-5009B	PW-5009B	2.00	0.375″	BK7A	λ/10
WI-7612B	PW-7612B	3.00	0.500″	BK7A	λ/10
WI-1206B	PW-1206B	0.50	0.250″	UV F.S.	λ/10
WI-1906B	PW-1906B	0.75	0.250″	UV F.S.	λ/10
WI-1909B	PW-1909B	0.75	0.375″	UV F.S.	λ/10
WI-2505B	PW-2505B	1.00	1.5mm	UV F.S.	λ/10
WI-2506B	PW-2506B	1.00	5.0mm	UV F.S.	λ/10
WI-2509B	PW-2509B	1.00	0.250″	UV F.S.	λ/10
WI-3809B	PW-3809B	1.50	0.375″	UV F.S.	λ/10
WI-5005B	PW-5005B	2.00	0.375″	UV F.S.	λ/10
WI-5006B	PW-5006B	2.00	0.375″	UV F.S.	λ/10
WI-5009B	PW-5009B	2.00	10.0mm	UV F.S.		λ/10
WI-7612B	PW-7612B	3.00	0.500″	UV F.S.		λ/10
WI-2502S	PW-2502S	1.00	1.5mm	Sapphire(40/20)		λ/2