IR lenses
Featured Product from Avantier Inc.
SWIR Lenses, LWIR Lenses, MWIR Lenses, and NIR Lenses
As one of the world’s foremost producers of high performance IR lenses, we carry a wide selection of SWIR lenses, LWIR lenses, MWIR lenses, and NIR lenses. These lenses are ideal for use in the infrared region, with applications including industry, medicine, scientific research, and defense.
Substrates of IR Optics
- IR Grade Fused Silica is a highly transparent and versatile material primarily composed of silicon dioxide (SiO2), with a reducing amount of OH- ions as compared with other grades of silica. Offers a great transmission in wavelength from 0.14μm to 4.5μm, with a refractive index of 1.46. While having a low coefficient of thermal expansion, IR-grade fused silica also possesses a high resistance to thermal shock, enabling withstand rapid temperature changes without fracturing or undergoing significant changes in its optical properties.
- Chalcogenide is an amorphous glass and is easier to work with than conventional IR crystalline materials. It is quickly becoming a top choice among IR materials for optical engineers and lens designers. Chalcogenide glass is an ideal material for both high-performance infrared imaging systems and high-volume commercial applications. A number of different chemical composition choices exist for ChG, but BD6, composed of arsenic and selenium (As 40 Se 60), represents the best choice from a cost and ease-of-manufacturing perspective. Chalcogenide infrared glass materials and lenses are an excellent alternative in some applications for the more expensive and commodity price-driven materials such as Ge, ZnSe and ZnS2. Chalcogenide glasses transmit primarily in the MWIR and LWIR wavebands, making them suitable for thermal imaging applications.
- Sapphire is a remarkable material widely utilized in infrared optics, it is a crystalline form of aluminum oxide (Al2O3) and exhibits excellent transmission properties in both the near-infrared (NIR) and mid-infrared (MIR) regions from 0.14μ to 6μm with refractive index of 1.768. It also allows for the precise fabrication of high-quality lenses, windows, and prisms, enabling the formation of well-defined optical surfaces for accurate infrared imaging and focusing.
IR Lenses for Your Application
At Avantier we carry both fixed focal length lenses as well as continuous zoom lenses. Every lens produced in our factory is carefully crafted and compliant with ISO and MIL standards. We would be happy to work with you to create a custom lens or optic with your desired focal length that performs as desired. Cost effective manufacturing means we can produce custom orders at very reasonable costs, with no compromise in quality.
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