Infrared Lens
Ultraopto infrared lenses are compatible with the full range of near-infrared, mid-infrared, and far-infrared bands, featuring high-quality substrates such as fused silica, silicon, germanium, and zinc selenide, combined with precision optical processing and customized coating processes, offering excellent optical transmission performance, high laser damage threshold, and precise surface shape control. It is widely used in infrared laser processing, infrared imaging, industrial laser systems, scientific research laser devices and other fields, providing highly reliable core equipment for all kinds of infrared optical systems.
Core product advantages
1.Full spectrum high transmittance:
Customized anti-reflection coating for near/mid/far infrared bands, with low absorption and minimal scattering, significantly enhancing infrared light transmission efficiency
2.High damage resistance and long life:
High-purity substrate selection + precision processing + advanced post-treatment effectively suppresses subsurface damage, withstanding strong laser irradiation, suitable for industrial-grade long-term working conditions
3.Precision surface shape control :
Full-process high-precision detection, excellent surface shape and transmission wavefront accuracy, reduced wavefront distortion, ensuring laser collimation and focusing accuracy
4.Strict quality control:
Full-dimensional performance testing, high consistency of product parameters, suitable for stable operation in multiple scenarios such as research and industry
5.Flexible customization:
Supports customization of base, size, optical parameters, and additional processes to precisely match customer system requirements
Infrared Lens Core Parameter table
Adapted bands | Near infrared (808 nm / 980 nm / 1064 nm / 1550 nm) | Mid-infrared (3μm/4μm) | Far-infrared (10.6μm) |
Recommended Substrate material | Fused quartz/single crystal silicon | Germanium (Ge)/ Silicon (Si | Zinc selenide (ZnSe) |
Central wavelength transmittance | ≥99.0% | ≥98.5% | ≥98.0% |
Surface finish | 20-10 scratch-dig | 20-10 scratch-dig | 40-20 scratch-dig |
Aperture for light passage | ≥95% | ≥95% | ≥90% |
Transmitted wavefront @633nm | PV lambda 1/8 or less | PV lambda 1/8 or less | PV lambda 1/6 or less |
Laser damage threshold | ≥5J/cm² (pulse 1-on-1) ≥100MW/cm² (continuous S-on-1) | ≥3J/cm² (pulse 1-on-1) ≥50MW/cm² (continuous S-on-1) | ≥2J/cm² (pulse 1-on-1) ≥30MW/cm² (continuous S-on-1) |
Coating process | Electron beam evaporation/magnetron sputtering anti-reflection coating | Double ion beam sputtering anti-reflection coating | Magnetron sputtering anti-reflection coating |
Typical applications | Laser processing, fiber laser systems, infrared detection | Infrared temperature measurement, laser distance measurement | Laser cutting, infrared imaging |
Customized services
Support optical parameters, size specifications, process matching customization, core customization scope:
Optical parameters:
focal length, radius of curvature, numerical aperture (NA), transmitted wavefront accuracy
Size specifications:
Circular/square (φ5 to φ200mm/5×5 to 150×150mm), thickness, irregular structure
Additional processes:
Chamfering (C0.2 - C1.0mm), enhanced edge, surface modification, vacuum clean packaging
Quality inspection
Equipped with a full set of inspection equipment including Zygo interferometer, CRD high reflectance tester, VHX-7000 microscope, etc., full-dimensional inspection of core indicators such as lens ** transmittance, surface shape accuracy, surface quality, film weak absorption, temperature rise, laser damage threshold ** is carried out to ensure product performance meets the standards.
