SLB-20B-30PIR1 20.0 mm Dia. x 31.0 mm FL; Coated; Double-Convex Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 31 mm
- BFL
- 29.1 mm
- R1
- 31.14 mm
- R2
- -31.14 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.518720636186463
- λ
- 546.1 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
SLB-20B-30PIR1 20.0 mm Dia. x 31.0 mm FL; Coated; Double-Convex Lens 633-1064nm
The SLB-20B-30PIR1 is a high-quality lens from OptoSigma, designed for use in a wide range of optical applications. This lens, with a diameter of 20.0 mm and a focal length of 31.0 mm, is a Spherical Lens of the Sub Type Spherical Lens (Convex-Convex). It features a Base Shape of Circular, making it suitable for various optical systems.
The lens's geometry includes a thickness edge of 2.0 mm and a thickness center of 5.3 mm. The effective focal length (EFL) is 31.0 mm, and the radii of curvature are 31.14 mm for the first surface and -31.14 mm for the second surface. The back focal length (BFL) is 29.1 mm. The Inner Radius and Outer Radius are both 0 mm, indicating a uniform curvature.
The lens is made of n-bk7 schott, a popular material in optical systems due to its excellent optical properties. The wavelength for this lens is 546.1 nm. The lens is coated with opt ir1 on both the front and back surfaces, enhancing its performance in the 633-1064nm wavelength range.
