67-939 12mm Dia. x 18mm FL; Laser Grade Plano-Convex Lens Laser V-Coat 266nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12 mm
- EFL
- 18 mm
- BFL
- 15.23 mm
- R1
- 8.25 mm
Material
- Name
- Fused Silica
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4996834240856278
- λ
- 266 nm
- B1
- 0.6961663
- C1
- 0.00467914825849 μm2
- B2
- 0.4079426
- C2
- 0.013512063073959999 μm2
- B3
- 0.8974794
- C3
- 97.934002537921 μm2
67-939 12mm Dia. x 18mm FL; Laser Grade Plano-Convex Lens Laser V-Coat 266nm
The 67-939 is a laser grade plano-convex lens, boasting a 12mm diameter and 18mm focal length, sourced from the reputable vendor Edmund Optics. This lens is designed for use with a 266nm wavelength, making it suitable for various applications in the ultraviolet spectrum.
The lens is crafted from fused silica, a material with the material ID mal-1965, ensuring high transmittance and durability. The front and back surfaces of the lens are coated with edm las v-coat 266, a specialized coating that enhances laser damage threshold and overall performance.
The lens's geometry is meticulously designed, with a center thickness of 4mm and an edge thickness of 1.41mm. The inner and outer radii are 0mm, and the lens has a base shape of circular. The lens's effective focal length (EFL) is 18mm, and the back focal length (BFL) is 15.23mm. The radius of curvature (R1) is 8.25mm.
This lens is a part of the Spherical Lens (Plano-Convex) sub-type, falling under the broader category of Lens type. The lens's coating, material, and geometry make it an excellent choice for various applications requiring a high-performance lens in the ultraviolet spectrum.