G063020331 22.4 mm Dia. N-BK7 Mounted Double-Convex Lens; EFL=20mm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Qioptiq Photonics
Properties
- Shape
- Circular
- Diameter
- 22.4 mm
- EFL
- 20 mm
- R1
- 19.25 mm
- R2
- -19.25 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
G063020331 22.4 mm Dia. N-BK7 Mounted Double-Convex Lens; EFL=20mm
This is a G063020331 model lens from Qioptiq Photonics, a renowned provider of precision optics. The lens boasts a 22.4 mm diameter and is designed as a symmetric convex-convex spherical lens, making it suitable for a wide range of optical applications.
The lens's geometry is characterized by its edge thickness of 1.6 mm and center thickness of 8.8 mm. It has an effective focal length (EFL) of 20 mm, which is a critical parameter in lens selection. The first radius of curvature (R1) is 19.248 mm, and the second radius of curvature (R2) is -19.248 mm, indicating a double-convex design.
The lens is made from N-BK7, a high-quality borosilicate glass from Schott, known for its excellent optical properties and durability. The glass is coated with Qio AL RALVIS AOI 45 on both the front and back surfaces, enhancing its performance in specific wavelength ranges.
The lens's coating is designed for use at a wavelength of 587.6 nm, making it suitable for applications that require high transmission in the visible spectrum. The lens's spherical shape ensures minimal optical aberrations, contributing to its high-performance capabilities.