LB1450-C N-BK7 Bi-Convex Lens; Dia:0.5 in; f=20.0 mm ARC 1050-1700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- 12 mm
- BFL
- 18.7 mm
- R1
- 19.9 mm
- R2
- -19.9 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
LB1450-C N-BK7 Bi-Convex Lens; Dia:0.5 in; f=20.0 mm ARC 1050-1700nm
The LB1450-C is a high-quality bi-convex lens, designed and manufactured by Thorlabs, a leading global supplier of photonics equipment. This lens is crafted from N-BK7, a popular glass type in the optical industry, 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 2.3 mm, with an edge thickness of 1.8 mm. It boasts a focal length of 20.0 mm, providing a high level of magnification and precision. The lens's design includes an Anti-Reflection coating (ARC) for wavelengths between 1050-1700nm, enhancing its performance in infrared applications.
The LB1450-C's geometry is spherical, with radii of curvature R1 and R2 both at 19.9 mm. This design ensures a high level of light convergence and minimal distortion. The lens is also designed with a back focal length of 18.7 mm, providing additional flexibility for various optical setups.