89-040 20.0mm Dia. x 35.0mm FL; Plano-Convex Lens Laser V-Coat 1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 35 mm
- BFL
- 32.04 mm
- R1
- 18.09 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.506634801642448
- λ
- 1064 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
89-040 20.0mm Dia. x 35.0mm FL; Plano-Convex Lens Laser V-Coat 1064nm
The 89-040 is a Plano-Convex spherical lens, part of the extensive catalog offered by Edmund Optics. This lens boasts a diameter of 20.0mm and a focal length of 35.0mm, making it suitable for a wide range of optical applications.
The lens is crafted from n-BK7 Schott, a high-quality optical glass known for its excellent transparency and low dispersion. This material ensures the lens delivers sharp, clear images with minimal chromatic aberration.
The lens features a Plano-Convex geometry, with a flat front surface and a curved back surface. The center thickness of the lens is 4.5mm, while the edge thickness is 1.48mm, providing a robust structure that can withstand typical handling and usage.
The 89-040 is coated with Edmund Optics' Las V-Coat, designed specifically for 1064nm. This coating enhances the lens's performance in laser applications, improving transmission and reducing reflection. The coating is applied to both the front and back surfaces of the lens, ensuring optimal performance from all angles.