Description
Unmounted Achromatic Doublet Lenses are optical lenses used in various applications to reduce beam distortion. These lenses are composed of two optimized elements – one made of dense flint and the other of crown glass – ensuring a tight focus by minimizing longitudinal and transverse spherical aberrations.
They offer nearly constant focal length across a wide range of wavelengths. These achromatic doublet lenses are available in visible (VIS) and near-infrared (NIR) coating options, catering to different wavelength requirements.
Unmounted Achromatic Doublet Lens: 14ADP-05-30-BBAR5
Specifications
| Mounting: | Unmounted |
|---|---|
| Optimal Wavelength Range: | 700 – 1050 nm |
| Diameter: | 12.7 mm |
| Focal Length: | 30 mm |
| Achromat Type: | Doublet |
| Diameter Tolerance: | +0/-0.1 mm |
| Focal Length Tolerance: | ±3 % |
| Centration: | <3 arc minutes |
| Clear Aperture: | >90 % |
| Chamfer: | 0.25 mm @ 45° |
| Surface Figure: | λ/4 @ 632.8 nm |
| Surface Quality: | 60-40 scratch & dig |
| Design Wavelength: | 632.8 nm |
| AR Coatings: | VIS or NIR |
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Features
- Used to reduce beam distortion
- Available in small and mass production quantities
- VIS or NIR coatings available for all lenses
- Optimized composition for minimal aberrations
- Constant focal length across a wide wavelength range
- Cemented achromatic doublet lenses for chromatic and spherical aberration-free
- performance
Applications
- Beam distortion reduction in various optical setups
- Imaging and focusing applications in visible and near-infrared regions
- Suitable for use in laser systems, cameras, and optical instruments
- Precision optical setups requiring minimal aberrations
- Research and industrial applications demanding high-quality lenses
Frequently Asked Questions
What is the optimal wavelength range for the coated achromatic doublet lenses?
The optimal wavelength range for the coated achromatic doublet lenses is 400-700 nm for VIS coated lenses and 700-1050 nm for NIR coated lenses.
What is the material used for the unmounted achromatic doublet lenses?
All types of materials are available to design the optimal achromats for the unmounted achromatic doublet lenses.
What is the surface quality of the lenses?
The surface quality of the lenses is 60-40 scratch & dig.
What is the purpose of the compound lens system in the achromatic doublet lenses?
The compound lens system forms an image free from chromatic aberration and significantly reduces coma and chromatic aberration.
What are the standard specifications for the unmounted achromatic doublet lenses?
The standard specifications for the unmounted achromatic doublet lenses include dimensions tolerance of +0.0, −0.15 mm, focal length tolerance of ±3%, centration of <3 arc minutes, clear aperture of >90%, chamfer of 0.25 mm @ 45°, surface figure of λ/4 @ 632.8 nm, and surface quality of 60–40 scratch & dig.
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