AL50100M-B 50 mm Dia. N-BK7 High-Precision; CNC Polished Aspheric Lenses; EFL=100 mm; NA=0.24 AR 650-1050nm
- Type
- Lens
- Subtype
- Aspheric Lens
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- 100 mm
- R1
- 51.12 mm
- R2
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5111833144579327
- λ
- 780 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
AL50100M-B 50 mm Dia. N-BK7 High-Precision; CNC Polished Aspheric Lenses; EFL=100 mm; NA=0.24 AR 650-1050nm
The AL50100M-B is a high-precision asperic lens offered by Thorlabs, a leading vendor in the optical industry. This lens boasts a 50 mm diameter and is made from N-BK7, a popular glass type known for its excellent optical properties. The lens is designed with a focal length of 100 mm, making it suitable for a wide range of applications.
The lens features a high numerical aperture (NA) of 0.24, which allows for a larger light-gathering capacity and improved resolution. It is also CNC polished, ensuring a smooth, high-quality surface finish. The lens is coated with a broadband anti-reflective coating, which covers the wavelength range of 650-1050nm, reducing surface reflections and improving transmission.
The geometry of the lens is defined by its inner and outer radii, which are both 0 in this case. The lens has a thickness of 3.8 mm at the edge and 10 mm at the center. The aspheric coefficients (k1, k2, a2, a4, a6, a8, a10, a12, a14, a16) are also provided, allowing for a more precise understanding of the lens's shape and optical properties.
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