Achromatic Lens, NIR, 50.0 mm Diameter, 150.0 mm EFL, 750-1550 nm
Achromatic Lens, NIR, 50.0 mm Diameter, 150.0 mm EFL, 750-1550 nm
Model: PAC21AR.16
Product Series Overview
Near IR Achromatic LensesThe PAC21AR.16 Near IR Achromatic Lens is a 750 to 1550 nm antireflection coated, 1.99 inch (50.0 mm) diameter, N-LaK22 and N-SF6 achromatic doublet lens with an effective focal length of 150.0 mm. This achromat is computer optimized at infinite conjugate ratios for applications in the near-IR spectrum, producing the smallest spot size possible for polychromatic light sources between 750 to 1550 nm. Spherical and chromatic aberrations are minimized to provide superior performance. For most applications, diffraction-limited spot size can be achieved when using with monochromatic light sources of wavelength up to 2 µm. Common applications for these near IR achromatic lenses include Imaging, Microscopy, and various spectroscopic methods in the near IR spectrum.
Specifications
- Lens TypeAchromatic Doublet
- Lens ShapePlano-Convex
- Diameter50.0 mm
- Antireflection Coating750-1550 nm
- Coating TypeNIR Multilayer
- Coating CodeAR.16E
- Damage Threshold1.0 J/cm2 @ 1064 nm, 10 ns , 10 Hz
- Lens MaterialN-LaK22/N-SF6
- Surface Quality60-40 scratch-dig
- λ/4
- 1.5λ
- Effective Focal Length (EFL)150 mm
- Back Focal Length (BFL)139.87 mm
- F/#3
- Radius of Curvature (R)86.84 mm
- Radius 2-86.84 mm
- Radius 3-894.70 mm
- Edge Thickness (T<sub>e</sub>)12.47 mm
- Center Thickness (T<sub>c</sub>)16.5 mm
- Thickness, Center 111.00 mm
- Thickness, Center 25.50 mm
- Design Wavelengths880 nm
- Centration3-5 arcmin
- Chamfers0.30 mm
- Chamfers Angle/Tolerance45°
- Diameter Tolerance+0.0/-0.1 mm
- Focal Length Tolerance±2.0%
- Center Thickness Tolerance± 0.2 mm
- Clear Aperture49 mm
Resources & Downloads
3D Product Models
Other
PAC21AR.16 RoHS Certificate(703.4 kB, PDF) AR.16E Raw Data.xlsx(74.3 kB, XLSX)
Software
PAC21AR.16 Zemax File(5 kB, ZMX)
2D Product Drawings
Broadband-Near-IR-Achromatic-Lenses-Spec-Table.pdf(132.7 kB, PDF)
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