Telephone： +86-591-87528609-818 Fax:+86-591-87528573 Address：1#Bldg No.758 Qi’an Road, Fuwan Industrial Park,Fuzhou,Fujian ,P.R.C
IR Windows
WITOPTICS provides IR windows are available in a wide range of sizes and materials including Si, Ge, and ZnSe.
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Attribute
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Specification
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Material
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Si, Ge, and ZnSe
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Typical Diameter (Φmm)
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8.0, 10.0, 12.7, 15.0, 20.0
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Typical Thickness (mm)
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1.0, 2.0, 3.0, 4.0
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Diameter Tolerance (mm)
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+0.0/-0.2 (General), +0.0/-0.1 (High Precision)
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Thickness Tolerance (mm)
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±0.2 (General), ±0.05 (High Precision)
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Clear Aperture
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>80% (Small Size), >90% (Large Size)
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Parallelism
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3 min. (General), 3 sec. (High Precision)
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Surface Quality
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60/40 (General), 10/5 (High Precision)
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Flatness (per 25mm@633nm)
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λ/4(General), λ/10 (High Precision)
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Bevel (face width x 450)
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<0.25mm
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Coating
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Uncoated, AR, HR, PR Coating, etc.
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Note for Windows:
(1). Custom-made windows at any size are available.
Besides round, windows at shape of quadrate, triangular, or other polygonal are available.
(2). Thickness from 1.0mm to 20.0 mm is available upon request.
(3). 100% clear aperture is available upon request.