Achromatic Lens
Achromatic Lenses are made of two concave and convex lenses with different refractive indices and different dispersion rates, which can minimize or eliminate color aberrations. ATOPTIK’s achromatic lenses are high-performance optical components designed to reduce chromatic aberration. They are widely used in microscopes, laser systems, optical imaging, spectrometers, and fiber optic communications, where high-precision imaging and beam manipulation are essential. These lenses effectively correct the refractive differences of different wavelengths, resulting in sharp and accurate optical focusing. How Achromatic Lenses Correct Chromatic Aberration for Sharper Imaging For better performance, usually the side with the larger radius of curvature (the flat surface) should be turned away from the collimated beam. Color difference comes from the difference in the dispersion and refraction coefficient of different wavelengths of light in the transmission material, so that different wavelengths of light converge at different focal points, double-bonded achromatic lens through the adhesive design of different material lenses, so that the dispersion of the two materials compensation each other, thereby reducing the comprehensive color difference. Achromatic design also helps to improve the image aberration of light sources in a wide wavelength range (composite light sources), improve spherical aberration at a suitable radius of curvature, and improve coma at the same time when the material is selected arbitrarily. Achromatic lenses provide sharper images than optical systems that use a single lens and can form smaller points of light, further improving the optical performance of the lens. Achromatic lenses are suitable for a variety of applications such as fluorescence microscopy, image relaying, detection or spectroscopy. ATOPTIK's achromatic bonded lens products offer almost constant focal lengths over a wide wavelength range and are available in stock for both positive and negative bonded achromatic lenses and achromatic lenses coated with a variety of anti-reflection films. Anti-reflection film options include VIS, NIR, and SWIR.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material [Normal] | Optical glass |
| Material [High Precision] | Optical glass |
| Material [Mfg. Limit] | Optical glass |
| Diameter Tolerance [Normal] | +0/-0.1mm |
| Diameter Tolerance [High Precision] | +0/-0.05mm |
| Diameter Tolerance [Mfg. Limit] | +0/-0.01mm |
| Thickness Tolerance [Normal] | +/-0.1mm |
| Thickness Tolerance [High Precision] | +/-0.05mm |
| Thickness Tolerance [Mfg. Limit] | +/-0.01mm |
| Focal Length Tolerance [Normal] | +/-2% |
| Focal Length Tolerance [High Precision] | +/-1% |
| Focal Length Tolerance [Mfg. Limit] | +/-0.5% |
| Centeration [Normal] | 3 arc min |
| Centeration [High Precision] | 1 arc min |
| Centeration [Mfg. Limit] | 10 arc sec |
| Surface Quality [Normal] | 60-40 |
| Surface Quality [High Precision] | 40-20 |
| Surface Quality [Mfg. Limit] | 10-5 |
| Surface Figure [High Precision] | 2 lambda |
| Surface Figure [Mfg. Limit] | 1 lambda |
| Surface Irregularity [Normal] | 1/4 lambda |
| Surface Irregularity [High Precision] | 1/10 lambda |
| Clear Aperture [Normal] | >80% |
| Clear Aperture [High Precision] | >90% |
| Clear Aperture [Mfg. Limit] | 100% |
| Bevel [Normal] | +/-0.2*45 degree |
| Bevel [High Precision] | +/-0.1*45 degree |
| Bevel [Mfg. Limit] | +/-0.05*45degree |
Key Features
Datasheet
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Supplier Information
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