LA1509-D N-BK7 Plano-Convex Lens; Dia:1 in; f=100.0 mm ARC 1650-3000nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 99.7 mm
- BFL
- 97.3 mm
- R1
- 51.5 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
LA1509-D N-BK7 Plano-Convex Lens; Dia:1 in; f=100.0 mm ARC 1650-3000nm
The LA1509-D 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 infrared spectrum, specifically optimized for a wavelength of 587.6 nm.
The lens boasts a diameter of 1 inch (25.4 mm) and a thickness that varies from 2 mm at the edge to 3.6 mm at the center. The effective focal length (EFL) of this lens is 99.7 mm, and the radius of curvature (ROC) of the curved face is 51.5 mm. The back focal length (BFL) is 97.3 mm, and the lens does not have an inner or outer radius.
The LA1509-D is crafted from n-BK7 Schott glass, a popular material for optical elements due to its excellent optical properties. The lens features anti-reflection coatings on both the front and back surfaces, specifically the "tho d bbar" coating, which is designed to reduce surface reflections and increase transmission in the spectral range of 1650-3000 nm.
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