67-992 12mm Dia. x -15 FL; NIR II Coated; Plano-Concave Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12 mm
- EFL
- -15 mm
- BFL
- -16.68 mm
- R1
- -11.77 mm
Material
- Name
- N-SF11
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7847141030246312
- λ
- 587.6 nm
- B1
- 1.73759695
- C1
- 0.013188707 μm2
- B2
- 0.313747346
- C2
- 0.0623068142 μm2
- B3
- 1.89878101
- C3
- 155.23629 μm2
67-992 12mm Dia. x -15 FL; NIR II Coated; Plano-Concave Lens 750-1550nm
The 67-992 is a Plano-Concave Spherical Lens with a 12mm diameter, offering a focal length of -15 and a central thickness of 3mm. The lens is sourced from Edmund Optics, a renowned vendor in the optical industry, and is currently in stock.
This lens is designed for use within the near-infrared spectrum, specifically between 750nm and 1550nm, making it suitable for various applications in this range. The lens is made from n-sf11 Schott, a high-index glass with excellent transmittance in the NIR region.
The 67-992 features a standard EDM NIR-II coating on both the front and back surfaces. This coating is specifically designed to enhance performance within the NIR-II spectral range, providing improved transmission and reduced reflection. The coating's standard curve ensures consistent performance across a wide range of applications.
The lens's geometry includes an inner radius of 0mm and an outer radius of 0mm, indicating a simple, uniform curvature. The edge thickness measures 4.47mm, providing robustness and durability.
