SLB-15-20NIR1 15.0 mm Dia. x -20.0 mm FL; Coated; Plano-Concave Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 15 mm
- EFL
- -20 mm
- BFL
- -21.3 mm
- R1
- -10.38 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-15-20NIR1 15.0 mm Dia. x -20.0 mm FL; Coated; Plano-Concave Lens 633-1064nm
The SLB-15-20NIR1 is a Plano-Concave Spherical Lens, 15.0 mm in diameter, with a focal length of -20.0 mm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry. The lens is made of n-bk7 schott, a high-quality optical glass, and features a Plano-Concave geometry, making it suitable for a wide range of applications.
The lens has a center thickness of 2.0 mm and an edge thickness of 5.2 mm, providing a robust structure. The effective focal length (EFL) is -20.0 mm, and the radius of curvature (R1) is -10.38 mm. The back focal length (BFL) is -21.3 mm, and both the inner and outer radii are 0 mm.
The SLB-15-20NIR1 is coated with opt ir1 on both the front and back surfaces, enhancing its performance in the 633-1064nm wavelength range. This coating ensures optimal transmission and reduces reflection, making it an ideal choice for applications that require high-quality imaging or light transmission.