SLB-25.4-30NIR1 25.4 mm Dia. x -30.0 mm FL; Coated; Plano-Concave Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -30 mm
- BFL
- -31.3 mm
- R1
- -15.57 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-25.4-30NIR1 25.4 mm Dia. x -30.0 mm FL; Coated; Plano-Concave Lens 633-1064nm
The SLB-25.4-30NIR1 is a Plano-Concave Spherical Lens, part of OptoSigma's extensive catalog of optical elements. This lens has a diameter of 25.4 mm and a focal length of -30.0 mm, making it suitable for a wide range of optical applications.
The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The base shape of the lens is circular, and it features a plano-concave geometry. The lens's edge thickness is 8.6 mm, while the center thickness is 2 mm. The effective focal length (EFL) is -30 mm, and the radius of curvature (R1) is -15.57 mm. The back focal length (BFL) is -31.3 mm, and both the inner and outer radii are 0 mm.
The SLB-25.4-30NIR1 is coated with opt ir1 on both the front and back surfaces, enhancing its performance in the 633-1064nm wavelength range. This coating ensures high transmission and low reflection, making the lens ideal for use in laser applications.
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