LA1229-B N-BK7 Plano-Convex Lens; Dia:1 in; f=175.0 mm ARC 650-1050nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 175 mm
- BFL
- 172.5 mm
- R1
- 90.1 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
LA1229-B N-BK7 Plano-Convex Lens; Dia:1 in; f=175.0 mm ARC 650-1050nm
The LA1229-B is a plano-convex lens, a type of spherical lens, featuring a circular base shape and sourced from the reputable vendor Thorlabs. This lens is designed for use in the visible spectrum, with a specified wavelength of 587.6 nm.
The lens boasts a diameter of 1 inch (25.4 mm) and a thickness of 2 mm at the edge, with a center thickness of 2.9 mm. The effective focal length (EFL) is 175 mm, and the radius of curvature (R1) is 90.1 mm. The back focal length (BFL) is 172.5 mm, and both the inner and outer radii are 0 mm.
The LA1229-B is crafted from N-BK7, a popular glass type from Schott, which is known for its excellent optical properties. This lens is coated with a broadband anti-reflection coating (ARC), specifically designed for the 650-1050 nm range, enhancing its transmission capabilities.