LF1097-B 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-200mm 650-1050nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -200 mm
- BFL
- -197.3 mm
- R1
- 100 mm
- R2
- 50.2 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
LF1097-B 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-200mm 650-1050nm
The LF1097-B is a spherical lens with a concave-convex base shape and a circular geometry. This lens, sourced from Thorlabs, has a diameter of 25.4 mm and a thickness at the edge of 3.8 mm, while the center thickness measures 3 mm. The effective focal length (EFL) is -200 mm, and the radii of curvature are 100 mm for the first surface and 50.2 mm for the second. The back focal length (BFL) is -197.3 mm.
This lens is made of N-BK7, a type of glass commonly used in optical applications due to its excellent optical properties. The lens is coated with THo BBAR, a broadband anti-reflection coating that enhances transmission in the 650-1050 nm range. The lens is designed to operate at a wavelength of 587.6 nm.
The LF1097-B is available from Thorlabs and is currently in stock. For more information, including pricing and detailed specifications, please refer to the vendor's website using the provided weblink.
