Birefringent Filter

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Product model table

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Material Crystal Quartz
Dimension Tolerance +0/-0.2mm
Thickness Tolerance ±0.005mm
Surface Quality 20/10 scratch and dig
Clear Aperture >90%
Wavefront Distortion <λ/8@632.8nm
Parallelism <5 arc seconds
Thickness T=0.5mm, 1mm, 1.5mm, 2.0mm
Coating None