LF1141-C 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-1000mm 1050-1700nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -1000 mm
- BFL
- -994.6 mm
- R1
- 500 mm
- R2
- 253.2 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
LF1141-C 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-1000mm 1050-1700nm
The LF1141-C is a 25.4 mm diameter Spherical Lens with a Sub Type of Spherical Lens (Concave-Convex) and a Base Shape of Circular. This lens is sourced from Thorlabs, a reputable vendor in the optical industry. The lens features a geometry with a diameter of 25.4 mm, a thickness edge of 3.2 mm, and a thickness center of 3 mm. The effective focal length (EFL) is -1000mm, and the radii of curvature are r1=500mm and r2=253.2mm, resulting in a back focal length (BFL) of -994.6mm. The lens is made of N-BK7 Schott, a popular material in the optical industry due to its excellent optical properties.
The LF1141-C is designed for use in the wavelength range of 587.6nm. It comes with a coating on both the front and back surfaces, specifically THo C Bbar, which enhances its performance in specific applications. The lens's shape is spherical, and it is available from Thorlabs with a weblink status of "Valid - in stock", indicating its immediate availability for purchase and use in various optical systems.