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Infrared Lens
Optical Lenses

Infrared Lens

Supplier
Fushioptic
Category
Optical Lenses
Origin
China

Infrared lenses are designed to converge, diverge, or collimate infrared light. They work like ordinary glass camera or eyeglass lenses, with a key distinction: ordinary lenses are designed for visible light, approximately 380-780 nanometers, while infrared lenses cover approximately 780 nanometers to 1 millimeter. Infrared is invisible to the eye but detectable using devices such as thermal imagers. Lenses use refraction as infrared propagates through different media. Carefully selected shapes and materials guide it along intended paths for focusing and imaging. Germanium, silicon, and other infrared materials reduce absorption and scattering for clear, accurate images. Note: only some infrared lens sizes are shown; contact us for others. Custom sizes/coatings are supported. Material | transmission band | key properties | applications. Germanium | 2-14 μm, best 8-12 μm | premier long-wave IR material, high index, high dispersion, poor high-temperature resistance, expensive | thermal imaging for security/firefighting/vehicles, thermometry, spectroscopy. Silicon | 1.2-8 μm, best 3-5 μm | hard, lower cost, good thermal conductivity and mid-wave IR performance | mid-wave imaging, industrial laser optics such as 1.5μm/3μm, chemical sensing. Zinc selenide | 0.5-20 μm, extremely broad | core CO₂ laser material, broadband transparency, high damage threshold | high-power CO₂ cutting/welding, infrared spectrometers, multispectral systems. Zinc sulfide | 0.5-15 μm, very broad | tough, durable, pale yellow in visible light, balanced performance | military windows/domes, low-power lasers, harsh-environment ZnSe replacement. Calcium fluoride | 0.15-10 μm, extremely broad | UV-to-IR, low dispersion, high damage threshold, but soft and readily deliquescent | UV/visible/IR multispectral systems, precision spectrometers, excimer lasers. Chalcogenide glass | composition-dependent, commonly 3-12 μm | moldable aspheres, low cost, mass-production suitability, moderate performance | consumer thermal imaging such as phone accessories/vehicle night vision, security lenses.

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Overview

Infrared lenses are designed to converge, diverge, or collimate infrared light. They work like ordinary glass camera or eyeglass lenses, with a key distinction: ordinary lenses are designed for visible light, approximately 380-780 nanometers, while infrared lenses cover approximately 780 nanometers to 1 millimeter. Infrared is invisible to the eye but detectable using devices such as thermal imagers. Lenses use refraction as infrared propagates through different media. Carefully selected shapes and materials guide it along intended paths for focusing and imaging. Germanium, silicon, and other infrared materials reduce absorption and scattering for clear, accurate images. Note: only some infrared lens sizes are shown; contact us for others. Custom sizes/coatings are supported. Material | transmission band | key properties | applications. Germanium | 2-14 μm, best 8-12 μm | premier long-wave IR material, high index, high dispersion, poor high-temperature resistance, expensive | thermal imaging for security/firefighting/vehicles, thermometry, spectroscopy. Silicon | 1.2-8 μm, best 3-5 μm | hard, lower cost, good thermal conductivity and mid-wave IR performance | mid-wave imaging, industrial laser optics such as 1.5μm/3μm, chemical sensing. Zinc selenide | 0.5-20 μm, extremely broad | core CO₂ laser material, broadband transparency, high damage threshold | high-power CO₂ cutting/welding, infrared spectrometers, multispectral systems. Zinc sulfide | 0.5-15 μm, very broad | tough, durable, pale yellow in visible light, balanced performance | military windows/domes, low-power lasers, harsh-environment ZnSe replacement. Calcium fluoride | 0.15-10 μm, extremely broad | UV-to-IR, low dispersion, high damage threshold, but soft and readily deliquescent | UV/visible/IR multispectral systems, precision spectrometers, excimer lasers. Chalcogenide glass | composition-dependent, commonly 3-12 μm | moldable aspheres, low cost, mass-production suitability, moderate performance | consumer thermal imaging such as phone accessories/vehicle night vision, security lenses.

Specifications

ParameterValue
Circular - Diameter [Circular Infrared Lens Dimensions; No. 1; Diameter=10mm; Material: Germanium (Ge)]10 mm
Circular - Center Thickness [Circular Infrared Lens Dimensions; No. 1; Diameter=10mm; Material: Germanium (Ge)]2 mm
Circular - Edge Thickness [Circular Infrared Lens Dimensions; No. 1; Diameter=10mm; Material: Germanium (Ge)]1 mm
Circular - Focal Length [Circular Infrared Lens Dimensions; No. 1; Diameter=10mm; Material: Germanium (Ge)]20 mm
Circular - Radius of Curvature [Circular Infrared Lens Dimensions; No. 1; Diameter=10mm; Material: Germanium (Ge)]30 mm
Circular - Material [Circular Infrared Lens Dimensions; No. 1; Diameter=10mm; Material: Germanium (Ge)]Germanium (Ge)
Circular - Diameter [Circular Infrared Lens Dimensions; No. 2; Diameter=12.5mm; Material: Zinc Selenide (ZnSe)]12.5 mm
Circular - Center Thickness [Circular Infrared Lens Dimensions; No. 2; Diameter=12.5mm; Material: Zinc Selenide (ZnSe)]2.5 mm
Circular - Edge Thickness [Circular Infrared Lens Dimensions; No. 2; Diameter=12.5mm; Material: Zinc Selenide (ZnSe)]1.2 mm
Circular - Focal Length [Circular Infrared Lens Dimensions; No. 2; Diameter=12.5mm; Material: Zinc Selenide (ZnSe)]25 mm
Circular - Radius of Curvature [Circular Infrared Lens Dimensions; No. 2; Diameter=12.5mm; Material: Zinc Selenide (ZnSe)]35 mm
Circular - Material [Circular Infrared Lens Dimensions; No. 2; Diameter=12.5mm; Material: Zinc Selenide (ZnSe)]Zinc selenide (ZnSe)
Circular - Diameter [Circular Infrared Lens Dimensions; No. 3; Diameter=15mm; Material: Zinc Sulfide (ZnS)]15 mm
Circular - Center Thickness [Circular Infrared Lens Dimensions; No. 3; Diameter=15mm; Material: Zinc Sulfide (ZnS)]3 mm
Circular - Edge Thickness [Circular Infrared Lens Dimensions; No. 3; Diameter=15mm; Material: Zinc Sulfide (ZnS)]1.5 mm
Circular - Focal Length [Circular Infrared Lens Dimensions; No. 3; Diameter=15mm; Material: Zinc Sulfide (ZnS)]30 mm
Circular - Radius of Curvature [Circular Infrared Lens Dimensions; No. 3; Diameter=15mm; Material: Zinc Sulfide (ZnS)]40 mm
Circular - Material [Circular Infrared Lens Dimensions; No. 3; Diameter=15mm; Material: Zinc Sulfide (ZnS)]Zinc Sulfide (ZnS)
Circular - Diameter [Circular Infrared Lens Dimensions; No. 4; Diameter=20mm; Material: Germanium (Ge)]20 mm
Circular - Center Thickness [Circular Infrared Lens Dimensions; No. 4; Diameter=20mm; Material: Germanium (Ge)]4 mm
Circular - Edge Thickness [Circular Infrared Lens Dimensions; No. 4; Diameter=20mm; Material: Germanium (Ge)]2 mm
Circular - Focal Length [Circular Infrared Lens Dimensions; No. 4; Diameter=20mm; Material: Germanium (Ge)]40 mm
Circular - Radius of Curvature [Circular Infrared Lens Dimensions; No. 4; Diameter=20mm; Material: Germanium (Ge)]50 mm
Circular - Material [Circular Infrared Lens Dimensions; No. 4; Diameter=20mm; Material: Germanium (Ge)]Germanium (Ge)
Circular - Diameter [Circular Infrared Lens Dimensions; No. 5; Diameter=25mm; Material: Zinc Selenide (ZnSe)]25 mm
Circular - Center Thickness [Circular Infrared Lens Dimensions; No. 5; Diameter=25mm; Material: Zinc Selenide (ZnSe)]5 mm
Circular - Edge Thickness [Circular Infrared Lens Dimensions; No. 5; Diameter=25mm; Material: Zinc Selenide (ZnSe)]2.5 mm
Circular - Focal Length [Circular Infrared Lens Dimensions; No. 5; Diameter=25mm; Material: Zinc Selenide (ZnSe)]50 mm
Circular - Radius of Curvature [Circular Infrared Lens Dimensions; No. 5; Diameter=25mm; Material: Zinc Selenide (ZnSe)]60 mm
Circular - Material [Circular Infrared Lens Dimensions; No. 5; Diameter=25mm; Material: Zinc Selenide (ZnSe)]Zinc selenide (ZnSe)
Circular - Diameter [Circular Infrared Lens Dimensions; No. 6; Diameter=30mm; Material: Zinc Sulfide (ZnS)]30 mm
Circular - Center Thickness [Circular Infrared Lens Dimensions; No. 6; Diameter=30mm; Material: Zinc Sulfide (ZnS)]6 mm
Circular - Edge Thickness [Circular Infrared Lens Dimensions; No. 6; Diameter=30mm; Material: Zinc Sulfide (ZnS)]3 mm
Circular - Focal Length [Circular Infrared Lens Dimensions; No. 6; Diameter=30mm; Material: Zinc Sulfide (ZnS)]60 mm
Circular - Radius of Curvature [Circular Infrared Lens Dimensions; No. 6; Diameter=30mm; Material: Zinc Sulfide (ZnS)]70 mm
Circular - Material [Circular Infrared Lens Dimensions; No. 6; Diameter=30mm; Material: Zinc Sulfide (ZnS)]Zinc Sulfide (ZnS)
Circular - Diameter [Circular Infrared Lens Dimensions; No. 7; Diameter=38mm; Material: Germanium (Ge)]38 mm
Circular - Center Thickness [Circular Infrared Lens Dimensions; No. 7; Diameter=38mm; Material: Germanium (Ge)]7 mm
Circular - Edge Thickness [Circular Infrared Lens Dimensions; No. 7; Diameter=38mm; Material: Germanium (Ge)]3.5 mm
Circular - Focal Length [Circular Infrared Lens Dimensions; No. 7; Diameter=38mm; Material: Germanium (Ge)]75 mm
Circular - Radius of Curvature [Circular Infrared Lens Dimensions; No. 7; Diameter=38mm; Material: Germanium (Ge)]85 mm
Circular - Material [Circular Infrared Lens Dimensions; No. 7; Diameter=38mm; Material: Germanium (Ge)]Germanium (Ge)
Circular - Diameter [Circular Infrared Lens Dimensions; No. 8; Diameter=50mm; Material: Zinc Selenide (ZnSe)]50 mm
Circular - Center Thickness [Circular Infrared Lens Dimensions; No. 8; Diameter=50mm; Material: Zinc Selenide (ZnSe)]10 mm
Circular - Edge Thickness [Circular Infrared Lens Dimensions; No. 8; Diameter=50mm; Material: Zinc Selenide (ZnSe)]5 mm
Circular - Focal Length [Circular Infrared Lens Dimensions; No. 8; Diameter=50mm; Material: Zinc Selenide (ZnSe)]100 mm
Circular - Radius of Curvature [Circular Infrared Lens Dimensions; No. 8; Diameter=50mm; Material: Zinc Selenide (ZnSe)]120 mm
Circular - Material [Circular Infrared Lens Dimensions; No. 8; Diameter=50mm; Material: Zinc Selenide (ZnSe)]Zinc selenide (ZnSe)
Square - Side Length [Square Infrared Lens Dimensions; No. 1; Side Length=10×10mm; Material: Germanium (Ge)]10 mm × 10 mm
Square - Center Thickness [Square Infrared Lens Dimensions; No. 1; Side Length=10×10mm; Material: Germanium (Ge)]2 mm
Square - Edge Thickness [Square Infrared Lens Dimensions; No. 1; Side Length=10×10mm; Material: Germanium (Ge)]1 mm
Square - Focal Length [Square Infrared Lens Dimensions; No. 1; Side Length=10×10mm; Material: Germanium (Ge)]20 mm
Square - Radius of Curvature [Square Infrared Lens Dimensions; No. 1; Side Length=10×10mm; Material: Germanium (Ge)]30 mm
Square - Material [Square Infrared Lens Dimensions; No. 1; Side Length=10×10mm; Material: Germanium (Ge)]Germanium (Ge)
Square - Side Length [Square Infrared Lens Dimensions; No. 2; Side Length=15×15mm; Material: Zinc Selenide (ZnSe)]15 mm × 15 mm
Square - Center Thickness [Square Infrared Lens Dimensions; No. 2; Side Length=15×15mm; Material: Zinc Selenide (ZnSe)]3 mm
Square - Edge Thickness [Square Infrared Lens Dimensions; No. 2; Side Length=15×15mm; Material: Zinc Selenide (ZnSe)]1.5 mm
Square - Focal Length [Square Infrared Lens Dimensions; No. 2; Side Length=15×15mm; Material: Zinc Selenide (ZnSe)]30 mm
Square - Radius of Curvature [Square Infrared Lens Dimensions; No. 2; Side Length=15×15mm; Material: Zinc Selenide (ZnSe)]40 mm
Square - Material [Square Infrared Lens Dimensions; No. 2; Side Length=15×15mm; Material: Zinc Selenide (ZnSe)]Zinc selenide (ZnSe)
Square - Side Length [Square Infrared Lens Dimensions; No. 3; Side Length=20×20mm; Material: Zinc Sulfide (ZnS)]20 mm × 20 mm
Square - Center Thickness [Square Infrared Lens Dimensions; No. 3; Side Length=20×20mm; Material: Zinc Sulfide (ZnS)]4 mm
Square - Edge Thickness [Square Infrared Lens Dimensions; No. 3; Side Length=20×20mm; Material: Zinc Sulfide (ZnS)]2 mm
Square - Focal Length [Square Infrared Lens Dimensions; No. 3; Side Length=20×20mm; Material: Zinc Sulfide (ZnS)]40 mm
Square - Radius of Curvature [Square Infrared Lens Dimensions; No. 3; Side Length=20×20mm; Material: Zinc Sulfide (ZnS)]50 mm
Square - Material [Square Infrared Lens Dimensions; No. 3; Side Length=20×20mm; Material: Zinc Sulfide (ZnS)]Zinc Sulfide (ZnS)
Square - Side Length [Square Infrared Lens Dimensions; No. 4; Side Length=25×25mm; Material: Germanium (Ge)]25 mm × 25 mm
Square - Center Thickness [Square Infrared Lens Dimensions; No. 4; Side Length=25×25mm; Material: Germanium (Ge)]5 mm
Square - Edge Thickness [Square Infrared Lens Dimensions; No. 4; Side Length=25×25mm; Material: Germanium (Ge)]2.5 mm
Square - Focal Length [Square Infrared Lens Dimensions; No. 4; Side Length=25×25mm; Material: Germanium (Ge)]50 mm
Square - Radius of Curvature [Square Infrared Lens Dimensions; No. 4; Side Length=25×25mm; Material: Germanium (Ge)]60 mm
Square - Material [Square Infrared Lens Dimensions; No. 4; Side Length=25×25mm; Material: Germanium (Ge)]Germanium (Ge)
Square - Side Length [Square Infrared Lens Dimensions; No. 5; Side Length=30×30mm; Material: Zinc Selenide (ZnSe)]30 mm × 30 mm
Square - Center Thickness [Square Infrared Lens Dimensions; No. 5; Side Length=30×30mm; Material: Zinc Selenide (ZnSe)]6 mm
Square - Edge Thickness [Square Infrared Lens Dimensions; No. 5; Side Length=30×30mm; Material: Zinc Selenide (ZnSe)]3 mm
Square - Focal Length [Square Infrared Lens Dimensions; No. 5; Side Length=30×30mm; Material: Zinc Selenide (ZnSe)]60 mm
Square - Radius of Curvature [Square Infrared Lens Dimensions; No. 5; Side Length=30×30mm; Material: Zinc Selenide (ZnSe)]70 mm
Square - Material [Square Infrared Lens Dimensions; No. 5; Side Length=30×30mm; Material: Zinc Selenide (ZnSe)]Zinc selenide (ZnSe)
Square - Side Length [Square Infrared Lens Dimensions; No. 6; Side Length=40×40mm; Material: Zinc Sulfide (ZnS)]40 mm × 40 mm
Square - Center Thickness [Square Infrared Lens Dimensions; No. 6; Side Length=40×40mm; Material: Zinc Sulfide (ZnS)]8 mm
Square - Edge Thickness [Square Infrared Lens Dimensions; No. 6; Side Length=40×40mm; Material: Zinc Sulfide (ZnS)]4 mm
Square - Focal Length [Square Infrared Lens Dimensions; No. 6; Side Length=40×40mm; Material: Zinc Sulfide (ZnS)]80 mm
Square - Radius of Curvature [Square Infrared Lens Dimensions; No. 6; Side Length=40×40mm; Material: Zinc Sulfide (ZnS)]90 mm
Square - Material [Square Infrared Lens Dimensions; No. 6; Side Length=40×40mm; Material: Zinc Sulfide (ZnS)]Zinc Sulfide (ZnS)
Square - Side Length [Square Infrared Lens Dimensions; No. 7; Side Length=50×50mm; Material: Germanium (Ge)]50 mm × 50 mm
Square - Center Thickness [Square Infrared Lens Dimensions; No. 7; Side Length=50×50mm; Material: Germanium (Ge)]10 mm
Square - Edge Thickness [Square Infrared Lens Dimensions; No. 7; Side Length=50×50mm; Material: Germanium (Ge)]5 mm
Square - Focal Length [Square Infrared Lens Dimensions; No. 7; Side Length=50×50mm; Material: Germanium (Ge)]100 mm
Square - Radius of Curvature [Square Infrared Lens Dimensions; No. 7; Side Length=50×50mm; Material: Germanium (Ge)]120 mm
Square - Material [Square Infrared Lens Dimensions; No. 7; Side Length=50×50mm; Material: Germanium (Ge)]Germanium (Ge)
Rectangular - Length [Rectangular Infrared Lens Dimensions; No. 1; Length=15mm; Material: Germanium (Ge); Width=10mm]15 mm
Rectangular - Width [Rectangular Infrared Lens Dimensions; No. 1; Length=15mm; Material: Germanium (Ge); Width=10mm]10 mm
Rectangular - Center Thickness [Rectangular Infrared Lens Dimensions; No. 1; Length=15mm; Material: Germanium (Ge); Width=10mm]2.5 mm
Rectangular - Edge Thickness [Rectangular Infrared Lens Dimensions; No. 1; Length=15mm; Material: Germanium (Ge); Width=10mm]1.2 mm
Rectangular - Focal Length [Rectangular Infrared Lens Dimensions; No. 1; Length=15mm; Material: Germanium (Ge); Width=10mm]25 mm
Rectangular - Radius of Curvature [Rectangular Infrared Lens Dimensions; No. 1; Length=15mm; Material: Germanium (Ge); Width=10mm]35 mm
Rectangular - Material [Rectangular Infrared Lens Dimensions; No. 1; Length=15mm; Material: Germanium (Ge); Width=10mm]Germanium (Ge)
Rectangular - Length [Rectangular Infrared Lens Dimensions; No. 2; Length=20mm; Material: Zinc Selenide (ZnSe); Width=12mm]20 mm
Rectangular - Width [Rectangular Infrared Lens Dimensions; No. 2; Length=20mm; Material: Zinc Selenide (ZnSe); Width=12mm]12 mm
Rectangular - Center Thickness [Rectangular Infrared Lens Dimensions; No. 2; Length=20mm; Material: Zinc Selenide (ZnSe); Width=12mm]3 mm
Rectangular - Edge Thickness [Rectangular Infrared Lens Dimensions; No. 2; Length=20mm; Material: Zinc Selenide (ZnSe); Width=12mm]1.5 mm
Rectangular - Focal Length [Rectangular Infrared Lens Dimensions; No. 2; Length=20mm; Material: Zinc Selenide (ZnSe); Width=12mm]30 mm
Rectangular - Radius of Curvature [Rectangular Infrared Lens Dimensions; No. 2; Length=20mm; Material: Zinc Selenide (ZnSe); Width=12mm]40 mm
Rectangular - Material [Rectangular Infrared Lens Dimensions; No. 2; Length=20mm; Material: Zinc Selenide (ZnSe); Width=12mm]Zinc selenide (ZnSe)
Rectangular - Length [Rectangular Infrared Lens Dimensions; No. 3; Length=25mm; Material: Zinc Sulfide (ZnS); Width=15mm]25 mm
Rectangular - Width [Rectangular Infrared Lens Dimensions; No. 3; Length=25mm; Material: Zinc Sulfide (ZnS); Width=15mm]15 mm
Rectangular - Center Thickness [Rectangular Infrared Lens Dimensions; No. 3; Length=25mm; Material: Zinc Sulfide (ZnS); Width=15mm]4 mm
Rectangular - Edge Thickness [Rectangular Infrared Lens Dimensions; No. 3; Length=25mm; Material: Zinc Sulfide (ZnS); Width=15mm]2 mm
Rectangular - Focal Length [Rectangular Infrared Lens Dimensions; No. 3; Length=25mm; Material: Zinc Sulfide (ZnS); Width=15mm]40 mm
Rectangular - Radius of Curvature [Rectangular Infrared Lens Dimensions; No. 3; Length=25mm; Material: Zinc Sulfide (ZnS); Width=15mm]50 mm
Rectangular - Material [Rectangular Infrared Lens Dimensions; No. 3; Length=25mm; Material: Zinc Sulfide (ZnS); Width=15mm]Zinc Sulfide (ZnS)
Rectangular - Length [Rectangular Infrared Lens Dimensions; No. 4; Length=30mm; Material: Germanium (Ge); Width=20mm]30 mm
Rectangular - Width [Rectangular Infrared Lens Dimensions; No. 4; Length=30mm; Material: Germanium (Ge); Width=20mm]20 mm
Rectangular - Center Thickness [Rectangular Infrared Lens Dimensions; No. 4; Length=30mm; Material: Germanium (Ge); Width=20mm]5 mm
Rectangular - Edge Thickness [Rectangular Infrared Lens Dimensions; No. 4; Length=30mm; Material: Germanium (Ge); Width=20mm]2.5 mm
Rectangular - Focal Length [Rectangular Infrared Lens Dimensions; No. 4; Length=30mm; Material: Germanium (Ge); Width=20mm]50 mm
Rectangular - Radius of Curvature [Rectangular Infrared Lens Dimensions; No. 4; Length=30mm; Material: Germanium (Ge); Width=20mm]60 mm
Rectangular - Material [Rectangular Infrared Lens Dimensions; No. 4; Length=30mm; Material: Germanium (Ge); Width=20mm]Germanium (Ge)
Rectangular - Length [Rectangular Infrared Lens Dimensions; No. 5; Length=40mm; Material: Zinc Selenide (ZnSe); Width=25mm]40 mm
Rectangular - Width [Rectangular Infrared Lens Dimensions; No. 5; Length=40mm; Material: Zinc Selenide (ZnSe); Width=25mm]25 mm
Rectangular - Center Thickness [Rectangular Infrared Lens Dimensions; No. 5; Length=40mm; Material: Zinc Selenide (ZnSe); Width=25mm]6 mm
Rectangular - Edge Thickness [Rectangular Infrared Lens Dimensions; No. 5; Length=40mm; Material: Zinc Selenide (ZnSe); Width=25mm]3 mm
Rectangular - Focal Length [Rectangular Infrared Lens Dimensions; No. 5; Length=40mm; Material: Zinc Selenide (ZnSe); Width=25mm]60 mm
Rectangular - Radius of Curvature [Rectangular Infrared Lens Dimensions; No. 5; Length=40mm; Material: Zinc Selenide (ZnSe); Width=25mm]70 mm
Rectangular - Material [Rectangular Infrared Lens Dimensions; No. 5; Length=40mm; Material: Zinc Selenide (ZnSe); Width=25mm]Zinc selenide (ZnSe)
Rectangular - Length [Rectangular Infrared Lens Dimensions; No. 6; Length=50mm; Material: Zinc Sulfide (ZnS); Width=30mm]50 mm
Rectangular - Width [Rectangular Infrared Lens Dimensions; No. 6; Length=50mm; Material: Zinc Sulfide (ZnS); Width=30mm]30 mm
Rectangular - Center Thickness [Rectangular Infrared Lens Dimensions; No. 6; Length=50mm; Material: Zinc Sulfide (ZnS); Width=30mm]8 mm
Rectangular - Edge Thickness [Rectangular Infrared Lens Dimensions; No. 6; Length=50mm; Material: Zinc Sulfide (ZnS); Width=30mm]4 mm
Rectangular - Focal Length [Rectangular Infrared Lens Dimensions; No. 6; Length=50mm; Material: Zinc Sulfide (ZnS); Width=30mm]80 mm
Rectangular - Radius of Curvature [Rectangular Infrared Lens Dimensions; No. 6; Length=50mm; Material: Zinc Sulfide (ZnS); Width=30mm]90 mm
Rectangular - Material [Rectangular Infrared Lens Dimensions; No. 6; Length=50mm; Material: Zinc Sulfide (ZnS); Width=30mm]Zinc Sulfide (ZnS)

Applications

Thermal imaging and night vision: imaging and temperature measurement; typical bands, long-wave and mid-wave infrared; common lens materials, germanium, zinc selenide, and silicon. Laser processing and medical applications: energy delivery and focusing; typical band, mid-infrared; materials, zinc selenide, gallium arsenide, and germanium. Gas detection and spectroscopy: analysis and detection; typical band, mid-infrared; materials, zinc selenide, calcium fluoride, and silicon. Automotive night vision and autonomous driving: imaging and safety; typical bands, long-wave infrared and near-infrared; materials, germanium and chalcogenide glass. Communications and consumer electronics: sensing and data transmission; typical band, near-infrared; materials, glass and fused silica.

Key Features

Near-infrared lenses: generally operate at 0.78-1.4 µm, commonly using fused silica or optical glass, for lidar and night vision assisted driving. Short-wave infrared lenses: generally operate at 1.4-3 µm, using materials such as fused silica, silicon, or chalcogenide glass, for semiconductor inspection, material sorting, and astronomical observation. Mid-wave infrared lenses: generally operate at 3-5 µm, one of the core thermal imaging bands, commonly using zinc selenide, silicon, or calcium fluoride, for missile guidance, industrial temperature measurement, and advanced surveillance. Long-wave infrared lenses: generally operate at 8-14 µm, the main thermal radiation band of room-temperature objects and the most widespread thermal imaging band. Germanium is the overwhelmingly dominant material. Applications include security monitoring, firefighting and disaster response, medical diagnosis, and autonomous-driving night vision.

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Fushioptic
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Tianjin Fushi Optical Technology Co., Ltd., established in 2012, integrates the development, production and sales of precision optical components, diffraction grating technology and high-precision processing of optical glass. Our products include diffraction gratings, optical lenses, prisms, mirrors, windows, cylindrical lenses, etc., widely used in scientific research, medical, industrial and other fields. With core capability in independent R&D of grating masters, we can quickly respond to market demands, providing high-quality and cost-effective optical solutions. Adhering to the philosophy of "technology as foundation, quality for the future", we are committed to becoming a globally trusted and respected optical enterprise.

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