LA1384-AB 50.8 mm Dia. N-BK7 Plano-Convex Lens; EFL=125mm 400-1100nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- 124.6 mm
- R1
- 64.4 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
LA1384-AB 50.8 mm Dia. N-BK7 Plano-Convex Lens; EFL=125mm 400-1100nm
This LA1384-AB optical lens, sourced from Thorlabs, is a Plano-Convex Spherical Lens with a 50.8 mm diameter. The lens is made of N-BK7 Schott glass, a popular material for its excellent optical properties and versatility. The lens has a center thickness of 8.2 mm and an edge thickness of 3 mm, providing a robust structure for various applications.
The lens's effective focal length (EFL) is 124.6 mm, making it suitable for applications that require a longer focal length. The front and back surfaces of the lens are coated with THo AB BAR, a broadband anti-reflection coating designed for use in the 400-1100 nm wavelength range. This coating reduces surface reflections, enhancing the lens's performance in transmitting light.
The lens's geometry, with a 64.4 mm inner radius and no outer radius, contributes to its Plano-Convex shape. This shape is often used in optical systems due to its ability to focus light to a single point, making it ideal for imaging and beam shaping applications.
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