SLB-50-200NIR1 50.0 mm Dia. x -200.0 mm FL; Coated; Plano-Concave Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- -200 mm
- BFL
- -202 mm
- R1
- -103.8 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-50-200NIR1 50.0 mm Dia. x -200.0 mm FL; Coated; Plano-Concave Lens 633-1064nm
The SLB-50-200NIR1 is a Plano-Concave Spherical Lens, 50.0 mm in diameter, with a focal length of -200.0 mm, sourced from OptoSigma. This lens is designed for use within the wavelength range of 633-1064nm, making it suitable for near-infrared (NIR) applications.
The lens is fabricated from n-BK7 Schott, a popular optical glass due to its excellent optical properties and high Abbe number. The lens has a thickness of 6.1 mm at the edge and 3 mm at the center, providing a robust structure for various optical setups.
The lens features a coating of opt IR1 on both the front and back surfaces, enhancing its performance within the specified wavelength range. This coating reduces surface reflections and increases transmission, thereby improving the overall efficiency and quality of the optical system.
The geometry of the lens includes an inner radius of 0 mm and an outer radius of 0 mm, indicating a simple plano-concave structure. The back focal length (BFL) is -202 mm, and the effective focal length (EFL) is -200 mm, which are crucial parameters for designing and integrating this lens into an optical system.
