LB1187-A N-BK7 Bi-Convex Lens; Dia:0.5 in; f=100.0 mm ARC 350-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- 100 mm
- BFL
- 99.3 mm
- R1
- 102.6 mm
- R2
- -102.6 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
LB1187-A N-BK7 Bi-Convex Lens; Dia:0.5 in; f=100.0 mm ARC 350-700nm
The LB1187-A is a high-quality bi-convex lens from Thorlabs, designed with a diameter of 0.5 inches and a focal length of 100.0 mm. This lens is made from N-BK7, a popular glass type from Schott due to its excellent optical properties. The lens features an Anti-Reflection (AR) coating on both the front and back surfaces, optimized for the 350-700nm wavelength range.
The lens's geometry includes a diameter of 12.7 mm, an edge thickness of 1.8 mm, and a center thickness of 2.2 mm. The front and back radii of curvature are 102.6 mm and -102.6 mm, respectively, resulting in a back focal length of 99.3 mm. The lens's shape is spherical, and it has no inner or outer radius.
This lens is an excellent choice for various applications that require high-performance optics, such as imaging systems, beam shaping, and laser applications. Its robust design and high-quality materials ensure reliable and consistent performance, making it a trusted choice for many optical professionals.