GeneralPurposeplanemirrorblanksFlatpolishedsurfaceForfirstsurfaceuseApplyanyreflectingcoatingThesegeneralpurposemirrorblanksarepolishedtoλ/10flatnessexceptwhereindicatedotherwise.Theyareintendedforfro

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BK7 Optical Windows

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Detailed

Parameters

General Purpose plane mirror blanks

Flat polished surface

For first surface use

Apply any reflecting coating

These general purpose mirror blanks are polished to λ/10 flatness except where indicated otherwise. They are intended for front surface use and are parallel to within 3 arcmin. These blanks are not recommended for use as transmitting optics as the rear surface is only commercially polished. Select a coating appropriate to your application or contact us with your special coating requirements.

Specifications

Surface Flatness:	< Side 1:λ/10 @ 633nm、< Side 2:commercial polish
Surface Quality	<10/5(side 1)
Parallelism	≤3 arcmin
Diameter Tolerance	<+0.00/-0.20mm
Thickness Tolerance	<±0.25mm
Clear Aperture	≥85% of diameter
Bevel	0.3mm(typical)*45°

Part No.(mm)	Diameter(mm)	Thickness	Material
PM-1206B	0.50	0.250″	BK7A
PM-1906B	0.75	0.250″	BK7A
PM-1909B	0.75	0.375″	BK7A
PM-2505B	1.00	5.0mm	BK7A
PM-2506B	1.00	0.250″	BK7A
PM-2509B	1.00	0.375″	BK7A
PM-3809B	1.50	0.375″	BK7A
PM-5005B	2.00	5.0mm	BK7A
PM-5006B	2.00	0.250″	BK7A
PM-5009B	2.00	0.375″	BK7A
PM-7612B	3.00	0.500″	BK7A
PM-1206U	0.50	0.250″	UV F.S.
PM-1906 U	0.75	0.250″	UV F.S.
PM-1909 U	0.75	0.375″	UV F.S.
PM-2505 U	1.00	1.5mm	UV F.S.( λ/4)
PM-2506 U	1.00	5.0mm	UV F.S.
PM-2509 U	1.00	0.250″	UV F.S.
PM-3809 U	1.50	0.375″	UV F.S.
PM-5005 U	2.00	0.375″	UV F.S.
PM-5006 U	2.00	0.375″	UV F.S.
PM-5009 U	2.00	10.0mm	UV F.S.
PM-7612 U	3.00	0.500″	UV F.S.
PM-2502S	1.00	1.5mm	Sapphire(40/20, λ/2)