G312331525 18 mm Dia. N-BK7 Plano-Convex Lens; EFL=30mm 725-1050nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Qioptiq Photonics
Properties
- Shape
- Circular
- Diameter
- 18 mm
- EFL
- 30 mm
- R1
- 15.73 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167817367777034
- λ
- 588 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
G312331525 18 mm Dia. N-BK7 Plano-Convex Lens; EFL=30mm 725-1050nm
The G312331525 is a Plano-Convex lens with a diameter of 18 mm, sourced from Qioptiq Photonics. This lens is designed for use in the 725-1050nm wavelength range, making it suitable for a variety of applications in the near-infrared spectrum. The lens is made from N-BK7, a popular optical glass known for its excellent optical properties and wide transmission range.
The lens features an effective focal length (EFL) of 30 mm, which is the distance from the lens's principal point to its focal point. This EFL, combined with the lens's 18 mm diameter, makes it a versatile choice for many optical systems. The lens has a thickness of 1.7 mm at the edge and 4.5 mm at the center, providing structural integrity and ensuring optimal performance.
The G312331525 is coated with Qio Bbar Arb2nirnbk7 on both the front and back surfaces. This coating is designed to reduce reflection and increase transmission, enhancing the lens's performance in its intended wavelength range. The lens's geometry is spherical, a common and reliable choice for many optical applications.
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