89-026 20.0mm Dia. x 60.0mm FL; Plano-Convex Lens Laser V-Coat 785nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 60 mm
- BFL
- 57.03 mm
- R1
- 31.01 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5110795649082278
- λ
- 785 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
89-026 20.0mm Dia. x 60.0mm FL; Plano-Convex Lens Laser V-Coat 785nm
The 89-026 is a Plano-Convex Spherical Lens, a high-quality optical component sourced from Edmund Optics. This lens boasts a 20.0mm diameter and a 60.0mm focal length, making it suitable for a wide range of applications.
The lens is crafted from n-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. The lens's geometry includes a 2.84mm edge thickness and a 4.5mm center thickness, contributing to its robustness and durability.
The 89-026 features a laser-optimized V-coat coating on both the front and back surfaces at a wavelength of 785nm. This coating enhances the lens's performance in laser applications, providing improved transmission and reduced reflection.
The item data also indicates an effective focal length (EFL) of 60.0mm, a back focal length (BFL) of 57.03mm, and a radius of curvature (R1) of 31.01mm. These specifications are crucial for precise optical system design and simulation.