Germanium Infrared Hybrid Aspheric Lenses
Description
Our TECHSPEC® Germanium Infrared (IR) Hybrid Aspheric Lenses provide diffraction limited focusing performance at any wavelength in the 3 – 5μm region, and near diffraction limited performance when used over the entire 3 -5μm spectral range. They are ideal for integration into imaging applications, FTIR spectrometers, or any Mid-Wave IR application utilizing a broad band light source. Each hybrid aspheric lens is coated for >95% transmission for the most efficient use of costly infrared illumination. However, transmission is limited by the inherent diffraction efficiency of the aspheric surface, yielding lower overall transmission at the extremes of the design spectral band. For custom design or coating options, please contact our Sales Department.
Germanium Infrared Hybrid Aspheric Lenses
Specifications |
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|---|---|
| Diameter: | 25 mm |
| Material: | Ge |
| Effective Focal Length: | 12.50 mm |
| Numerical Aperture (NA): | 1.00 |
| Wavelength Range: | 3000-5000nm |
Features
Color Corrected for 3 – 5μm
Near Diffraction Limited Focusing Performance
Full Prescription Data Available
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Frequently Asked Questions
Yes, for custom design or coating options, please contact the Sales Department.
The lenses are ideal for integration into imaging applications, FTIR spectrometers, or any Mid-Wave IR application utilizing a broad band light source.
Transmission is limited by the inherent diffraction efficiency of the aspheric surface, yielding lower overall transmission at the extremes of the design spectral band.
Each hybrid aspheric lens is coated for >95% transmission for the most efficient use of costly infrared illumination.
The lenses provide diffraction limited focusing performance at any wavelength in the 3 – 5μm region, and near diffraction limited performance when used over the entire 3 -5μm spectral range.