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HOME > PRODUCTS > Precision Optics > Filters > Birefringent Filter >

Birefringent Filter

Specifications

Material: Crystal quartz
Parallelism: <5 arc seconds
Surface Quality: 20/10
Diameter Tolerance: +0.0,-0.2mm
Clear Aperture: 90% of the central area
T=0.50mm ± 0.02mm
Thickness Tolerance: 0.02mm

	f (mm)
Thickness	10.0mm	12.7mm	15.0mm	20.0mm	25.4mm
T (0.5mm)	BF0101	BF0102	BF0103	BF0104	BF0105
1.5T (0.75mm)	BF1501	BF1502	BF1503	BF1504	BF1505
2T (1mm)	BF0201	BF0202	BF0203	BF0204	BF0205
3T (1.5mm)	BF0301	BF0302	BF0303	BF0304	BF0305
4T (2.0mm)	BF0401	BF0402	BF0403	BF0404	BF0405
5T (2.5mm)	BF0501	BF0502	BF0503	BF0504	BF0505
6T (3.0mm)	BF0601	BF0602	BF0603	BF0604	BF0605
8T (4.0mm)	BF0801	BF0802	BF0803	BF0804	BF0805
10T (5.0mm)	BF1001	BF1002	BF1003	BF1004	BF1005
12T (6.0mm)	BF1201	BF1202	BF1203	BF1204	BF1205