Silicon (Si) Windows – IR Transmission, Lightweight
Specifications:
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Material: Monocrystalline Silicon (Si)
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Transmission Range: 1.2 – 7 μm (NIR to MWIR)
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Refractive Index: ~3.42 @ 5 μm
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Density: ~2.33 g/cm³ (lighter than Ge/ZnSe)
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Hardness: High (Knoop ~1150), durable
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Coating: Uncoated, AR coating (3-5 μm), DLC coating
Key Applications:
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Thermal imaging camera windows
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Infrared spectroscopy & gas analysis
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Laser optics (high-power compatible)
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Aerospace & defense sensor protection
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Weight-sensitive IR systems
Available in round, square, custom shapes. DLC coating for extreme abrasion resistance. Contact for custom sizes and coating specs.