LD4148 6 mm Dia. UVFS Double-Concave Lens; EFL=-12mm Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 6 mm
- EFL
- -12 mm
- R1
- -11.5 mm
- R2
- 11.5 mm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4584623418371967
- λ
- 587.6 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
LD4148 6 mm Dia. UVFS Double-Concave Lens; EFL=-12mm Uncoated
The LD4148 is a spherical lens from Thorlabs, featuring a unique double-concave design. This lens, with a diameter of 6 mm, is constructed from UVFS material, specifically UVFS mal-1965. The lens's geometry is characterized by its center thickness of 3 mm and an effective focal length (EFL) of -12 mm, making it a concave-concave lens.
The lens's base shape is circular, and it has inner and outer radii of 0 mm, with radii of curvature R1 and R2 at -11.5 mm and 11.5 mm, respectively. The lens is uncoated and designed to operate at a specific wavelength of 587.6 nm.
This lens is a versatile optical component, suitable for various applications that require a negative lens with a specific focal length and diameter. The LD4148 is currently in stock and available for immediate purchase from Thorlabs, as indicated by its valid weblink status.