G313330400 22.4 mm Dia. UVFS Double-Concave Lens; EFL=-20mm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Qioptiq Photonics
Properties
- Shape
- Circular
- Diameter
- 22.4 mm
- EFL
- -20 mm
- R1
- -20.53 mm
- R2
- 20.54 mm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4760718797567198
- λ
- 355 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
G313330400 22.4 mm Dia. UVFS Double-Concave Lens; EFL=-20mm
The G313330400 is a spherical lens from Qioptiq Photonics, a leading provider of precision optics. This concave-concave lens, designed for use with a wavelength of 355nm, boasts a base shape of a circle and a diameter of 22.4mm. The lens has a center thickness of 1.5mm and an effective focal length (EFL) of -20mm, making it suitable for applications that require a negative focal length.
The lens's geometry is defined by its radii of curvature, with r1 at -20.535mm and r2 at 20.535mm. The inner and outer radii are both zero, indicating a symmetrical design. The lens material is UVFS, a type of fused silica with the material ID UVFS MAL-1965.
The G313330400 lens is coated with Qio Silver RAGV 45 on both the front and back surfaces, enhancing its performance in specific applications. This lens is currently in stock and available for purchase through the Qioptiq shop website.