Sapphire Window
Sapphire Window has a excellent transmission in range: 180—4500nm.And the reflective index is 1.77@1000nm. The sapphire part is the best choose to withstand strong pressure in optical system. It is widely used in IR sensors, thermal image, medical and optical measurement systems.
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General Specifications
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Parameter
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Commercial Grade
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Substrate Material
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Anisotropic synthetic sapphire crystal (Al2O3)
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Diameter Tolerance
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+0/-0.1mm
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Thickness Tolerance
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+/-0.2mm
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Clear Aperture
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>Central 85% of diameter
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Surface Quality
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60-40 S/D
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Parallelism
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< 1 arc minute
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Wavefront Distortion
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λ/4 per 25mm @632.8nm
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Chamfer
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0.25mm x 45°
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Coating
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Uncoated
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Sapphire Windows Standard Products:
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Part No.
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Φ (mm)
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T (mm)
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WIN21001
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12.7
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2.0
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WIN21002
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25.4
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3.0
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YP is an OEM manufacturer, and we don have much standard products in stock. So please contact us for your custom optics. We will do strictly according to your requirements.
Note: The general tolerance specifications above provide a guideline regarding manufacturing capabilities for optics. The manufacturing limits are not absolute; tighter tolerances may be possible. Part specific tolerances may vary depending on component size, shape, and/or material.