45-785 6 mm Dia. N-LAK22/N-SF6 Achromatic Doublet; EFL=15mm NIR II 750-1550nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 6 mm
- EFL
- 15 mm
- R1
- 8.8 mm
- R2
- -7.93 mm
Material 1
- Name
- N-LAK22
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6536179449828925
- λ
- 550 nm
- B1
- 1.14229781
- C1
- 0.00585778594 μm2
- B2
- 0.535138441
- C2
- 0.0198546147 μm2
- B3
- 1.04088385
- C3
- 100.834017 μm2
Material 2
- Name
- N-SF6
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.811866267147773
- λ
- 550 nm
- B1
- 1.77931763
- C1
- 0.0133714182 μm2
- B2
- 0.338149866
- C2
- 0.0617533621 μm2
- B3
- 2.08734474
- C3
- 174.01759 μm2
45-785 6 mm Dia. N-LAK22/N-SF6 Achromatic Doublet; EFL=15mm NIR II 750-1550nm
The 45-785 is a high-performance Achromatic Doublet lens, boasting a 6 mm diameter and an effective focal length of 15mm, specifically designed for use within the Near-Infrared II spectrum (750-1550nm). This lens is sourced from the esteemed optical vendor, Edmund Optics, and is currently available in their catalog, indicated by its "in stock" status.
The lens is composed of two distinct materials, N-LAK22 and N-SF6, both from Schott, which contribute to its impressive optical capabilities. The lens features a sophisticated geometry, with an inner radius and outer radius of 0, and a center thickness of 3mm. The edge thickness measures 3.61mm, while the front and back radii are 8.8mm and -7.93mm, respectively. The lens also has a minor thickness 'a' of 1.2mm at the center.
The 45-785 lens is meticulously coated with Edmund Optics' standard NIR-II coating on both the front and back surfaces, ensuring optimal performance within its specified spectral range. This coating is part of Edmund Optics' standard curve, further attesting to the lens's high-quality construction and performance capabilities.
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