LA1304-780 N-BK7 Plano-Convex Lens; Dia:0.5 in; f=40.0 mm 780nm V-Coat
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- 40 mm
- BFL
- 38.01 mm
- R1
- 20.6 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
LA1304-780 N-BK7 Plano-Convex Lens; Dia:0.5 in; f=40.0 mm 780nm V-Coat
The LA1304-780 is a Plano-Convex lens, a type of spherical lens, sourced from Thorlabs, a renowned optical components manufacturer. This lens is designed for use in the 780nm wavelength range, making it suitable for various applications in the near-infrared spectrum.
The lens features a diameter of 0.5 inches (12.7mm) and a focal length of 40mm, indicated by its EFL (Effective Focal Length) of 40. The lens's geometry includes a thickness of 1.8mm at the edge and 2.8mm at the center. The lens's front surface has a radius of curvature of 20.6mm, while the back focal length is 38.01mm.
The lens is made of N-BK7, a popular optical glass from Schott, which offers excellent optical properties and is widely used in various applications. The lens is coated with a V-Coat, specifically designed for the 780nm wavelength, ensuring high transmission and durability.
