LB1092-A N-BK7 Bi-Convex Lens; Dia:0.5 in; f=15.0 mm ARC 350-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- 15 mm
- BFL
- 13.4 mm
- R1
- 14.6 mm
- R2
- -14.6 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5150823520020043
- λ
- 633 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
LB1092-A N-BK7 Bi-Convex Lens; Dia:0.5 in; f=15.0 mm ARC 350-700nm
The LB1092-A is a high-quality bi-convex lens from Thorlabs, designed for use in a wide range of optical applications. This lens is fabricated from N-BK7 Schott glass, a popular material known for its excellent optical properties and versatility.
The lens features a diameter of 0.5 inches (12.7 mm) and a center thickness of 4.7 mm, with a thickness at the edge of 1.8 mm. The effective focal length (EFL) of this lens is 15 mm, making it suitable for applications that require a longer focal length. The radii of curvature for the first and second surfaces are 14.6 mm and -14.6 mm, respectively, leading to a back focal length (BFL) of 13.4 mm.
The LB1092-A lens is coated with a broadband anti-reflection coating, designed to operate over the 350-700 nm range. This coating helps to minimize surface reflections, thereby improving transmission and reducing unwanted optical losses. The lens is designed to be used in a spherical configuration.
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