LA4579-405 25.4 mm Dia. UVFS Plano-Convex Lens; EFL=300mm 405nm V-Coat
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 301.1 mm
- R1
- 138 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
LA4579-405 25.4 mm Dia. UVFS Plano-Convex Lens; EFL=300mm 405nm V-Coat
The LA4579-405 is a plano-convex lens with a diameter of 25.4 mm, sourced from the renowned optical components manufacturer, Thorlabs. This lens is designed for use with a wavelength of 587.6 nm and features a V-coating on both the front and back surfaces, specifically tailored for 405 nm.
The lens's geometry is characterized by its edge thickness of 2 mm and center thickness of 2.6 mm. The effective focal length (EFL) is 301.1 mm, providing a substantial focal length for various applications. The lens's shape is spherical, with a radius of curvature (R1) of 138 mm for the curved surface.
The LA4579-405 is made from UVFS material, identified as MAL-1965 in Thorlabs' material database. This material is suitable for use in ultraviolet (UV) applications, making this lens a versatile choice for UV optical systems.
The lens's coating, V-AR 405, is a broadband anti-reflection coating designed for use at 405 nm. This coating reduces surface reflections, enhancing transmission and improving overall system performance.