Product Description
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Introduce Windows are applied to isolate different physical environments while allowing light to pass. When selecting windows you should consider materials, transmission, scattering, wave front distortion, parallelism and resistance to certain environment. JUKA offers a wide range of different materials and different degree of precision windows.
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Specifications
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Material
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BK7 and Fused silica typically, Visible optical glass, Infrared optical glass, Colored glass.
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Tolerances
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Low precision
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Standard Precision
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High precision
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Glass Quality
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nd
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±0.001
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±0.0005
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Melt controlled
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vd
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±0.8%
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±0.3%
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Melt controlled
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Dimension Tolerance (mm)
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±0.20
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±0.10
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+0.01/-0.01
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Thickness Tolerance (mm)
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±0.20
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±0.1
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±0.005
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Scratch-Dig
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80-50
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60-40
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10-5
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Wave front Distortion @632.8nm
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λ per 25mm
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λ/4per 25mm
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λ/20 per 25mm
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Clear Aperture
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80%
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90%
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100%
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Parallelism (arc min)
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3-5 minutes
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1 minutes
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10 second
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Bevel
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0.3±0.20mmx45°or upon requirement
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No bevel
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Coating
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Coating may be available by custom order
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