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IR Optical Materials

Explore our comprehensive range of infrared optical materials for thermal imaging, CO2 laser, and spectroscopy applications.

Infrared optical material reference for Barium Fluoride BaF2 UV to IR applications

Barium Fluoride (BaF2)

Barium Fluoride (BaF2) optical material for UV-to-IR windows and spectroscopy optics, with property review for custom windows, lenses, and IR assemblies.

Transmission: 0.15-14 μm
Refractive Index: 1.462 at 2.58 μm; 1.45 at 5 μm
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Calcium Fluoride (CaF2) optical material reference for UV to IR windows, lenses, and prisms

Calcium Fluoride (CaF2)

Calcium Fluoride (CaF2) optical material for UV to IR windows, lenses, and prisms, with low dispersion and broadband transmission guidance.

Transmission: 0.2-9 μm
Refractive Index: 1.39908 at 5.0 um
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CVD ZnSe optical material reference for CO2 laser optics and thermal imaging

CVD ZnSe

CVD ZnSe optical material for CO2 laser optics and thermal imaging, with property review for custom windows, lenses, and IR assemblies.

Transmission: 0.5-20 μm
Refractive Index: 2.4028 at 10.6 μm
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Germanium optical material reference for LWIR thermal imaging lenses and infrared windows

Germanium (Ge)

Germanium (Ge) optical material for LWIR thermal imaging and sensing, with selection guidance for custom windows, lenses, and protective optics.

Transmission: 2-14 μm
Refractive Index: 4.0028 at 10.6 μm
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Infrared optical material reference for Lithium Fluoride LiF UV and IR optical applications

Lithium Fluoride (LiF)

Lithium Fluoride (LiF) optical material for UV and infrared windows, lenses, and spectroscopy optics, with selection guidance for custom components.

Transmission: 0.11-7 μm
Refractive Index: Available on request
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Infrared optical material reference for Magnesium Fluoride MgF2 UV to IR optical components

Magnesium Fluoride (MgF2)

Magnesium Fluoride (MgF2) optical material for UV, visible, and infrared windows and lenses, with property review for custom windows, lenses, and IR assemblies.

Transmission: 0.12-9 μm
Refractive Index: No=1.566, Ne=1.568 at 0.13 μm; No=1.334, Ne=1.343 at 5 μm
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Silicon optical material reference for near-infrared windows, lenses, and rugged IR assemblies

Silicon (Si)

Silicon (Si) optical material for NIR/SWIR sensing and compact IR optics, with selection guidance for custom windows and lenses.

Transmission: 1.2-7 μm
Refractive Index: 3.41776 at 10 μm
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Zinc Sulfide optical material reference for multispectral infrared windows and imaging optics

Zinc Sulfide (ZnS)

Zinc Sulfide (ZnS) optical material for multispectral infrared windows and rugged imaging optics, with property review for custom windows, lenses, and IR assem.

Transmission: 0.4-12 μm
Refractive Index: 2.4028 at 10.6 μm; values vary by wavelength
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Zinc Selenide optical material reference for CO2 laser lenses, windows, and infrared components

ZnSe (Standard)

ZnSe (Standard) optical material for CO2 laser lenses, windows, and IR components, with property review for custom windows, lenses, and IR assemblies.

Transmission: 0.5-20 μm
Refractive Index: 2.4028 at 10.6 μm
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