LA1401-A N-BK7 Plano-Convex Lens; Dia:2 in; f=60.0 mm ARC 350-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- 60 mm
- BFL
- 49.1 mm
- R1
- 30.9 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
LA1401-A N-BK7 Plano-Convex Lens; Dia:2 in; f=60.0 mm ARC 350-700nm
The LA1401-A is a high-quality plano-convex lens from Thorlabs, designed for use in a wide range of optical applications. This lens is made from N-BK7, a popular glass type known for its excellent optical properties, and features a diameter of 2 inches (50.8 mm) and a focal length of 60.0 mm.
The lens has a clear aperture of 50.8 mm, providing a wide field of view, and a thickness of 3 mm at the edge, increasing to 16.3 mm at the center. This design, combined with the N-BK7 glass, results in an effective focal length (EFL) of 60 mm and a back focal length (BFL) of 49.1 mm. The inner radius of the lens is 0 mm, while the outer radius is also 0 mm, indicating a flat surface on the non-curved side.
The LA1401-A is coated with Thorlabs' AR coating, which is designed to reduce reflection over the 350-700 nm range. This coating ensures high transmission and low loss, making the lens ideal for use in laser applications and other settings where high light levels are required.
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