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IR Optical Materials

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

Barium Fluoride BaF2 optical material reference for broadband UV to IR windows and spectroscopy optics

Barium Fluoride (BaF2)

Barium Fluoride (BaF2) optical material for UV-to-IR windows and spectroscopy optics, with local refractive-index reference data for engineering review.

Transmission: 0.15-14 µm
Refractive Index: 1.4510 at 5.0 um
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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 local refractive-index 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 broadband infrared components

CVD ZnSe

CVD ZnSe optical material for CO2 laser optics and infrared assemblies, with local refractive-index reference data for engineering review.

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

Germanium (Ge)

Germanium (Ge) optical material for LWIR windows and lenses, with local refractive-index reference data for engineering and RFQ review.

Transmission: 2-14 µm
Refractive Index: 4.0025 at 10.0 um
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Lithium Fluoride LiF optical material reference for deep UV and broadband crystal optics

Lithium Fluoride (LiF)

Lithium Fluoride (LiF) optical material for deep-UV and broadband optical use, with local refractive-index reference data for engineering review.

Transmission: 0.11-7 µm
Refractive Index: 1.3930 at 0.55 um
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Magnesium Fluoride MgF2 optical material reference for UV windows and birefringent optical components

Magnesium Fluoride (MgF2)

Magnesium Fluoride (MgF2) optical material for UV to IR use, with ordinary and extraordinary refractive-index references for engineering review.

Transmission: 0.12-9 µm
Refractive Index: no=1.3785 / ne=1.3903 at 0.55 um
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Sapphire Al2O3 optical material reference for high temperature windows and harsh environment viewports

Sapphire (Al2O3)

Sapphire (Al2O3) optical material for high-temperature windows and durable UV-to-MWIR optics, with ordinary and extraordinary refractive-index references from the local RII database.

Transmission: 0.2-5 µm
Refractive Index: no=1.7704 / ne=1.7623 at 0.55 um
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Silicon optical material reference for NIR SWIR windows and rugged infrared assemblies

Silicon (Si)

Silicon (Si) optical material for NIR and SWIR optics, with local refractive-index reference data for engineering and RFQ review.

Transmission: 1.2-7 µm
Refractive Index: 3.4150 at 10.0 um
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Zinc Sulfide ZnS optical material reference for multispectral windows and protective infrared optics

Zinc Sulfide (ZnS)

Zinc Sulfide (ZnS) optical material for multispectral windows, with local refractive-index data and absorption references for engineering review.

Transmission: 0.4-12 µm
Refractive Index: 2.1990 at 10.0 um
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ZnSe optical material reference for CO2 laser windows and infrared optical components

ZnSe (Standard)

ZnSe optical material for CO2 laser and infrared optics, with local refractive-index reference data for engineering and RFQ review.

Transmission: 0.5-20 µm
Refractive Index: 2.4028 at 10.6 um
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Our technical team can help you choose the right IR optical material for your specific application.