89-004 20.0mm Dia. x 20.0mm FL; Plano-Convex Lens Laser V-Coat 633nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 20 mm
- BFL
- 17.42 mm
- R1
- 15.7 mm
Material
- Name
- N-SF11
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7785783772160713
- λ
- 633 nm
- B1
- 1.73759695
- C1
- 0.013188707 μm2
- B2
- 0.313747346
- C2
- 0.0623068142 μm2
- B3
- 1.89878101
- C3
- 155.23629 μm2
89-004 20.0mm Dia. x 20.0mm FL; Plano-Convex Lens Laser V-Coat 633nm
The 89-004 is a Plano-Convex spherical lens, characterized by its circular base shape and a diameter of 20.0mm. This lens boasts a thickness of 1.0mm at the edge and 4.6mm at the center, with an effective focal length (EFL) of 20.0mm. The lens's front surface has a radius of curvature (R1) of 15.7mm, while the back focal length (BFL) measures 17.42mm.
This lens is fabricated from the high-quality material n-SF11 from Schott, ensuring durability and reliability. It is designed to operate at a wavelength of 633nm, making it suitable for various applications in the visible spectrum.
The 89-004 is coated with Edmund Optics' Las V-Coat 633, a proprietary coating that enhances its performance in laser applications. This coating is applied to both the front and back surfaces of the lens, providing optimal protection and performance.
The item data provided does not include information on the lens's inner and outer radii. Therefore, this description does not include those details. However, the data provided offers a comprehensive overview of the lens's other key features and specifications.
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