Aspherical Lenses, Achromatic, 9.00 mm Diameter, 12.00 mm EFL

The APAC10 Achromatic Aspherical Lens is a 425 to 675 nm antireflection coated (front surface), 0.35 inch (9.0 mm) diameter, N-LaK8 and N-SF57 achromatic doublet lens with an effective focal length of 12.0 mm. The back surface has a molded aspheric polymer cap with a protective seal. This achromat is computer optimized to provide optimal color correction and the smallest RMS spot size close to the diffraction limit. These lenses can be used within the wavelength regime of 400-2000nm. However, the color and spherical aberration correction is only optimized over the wavelength regime of 400-700nm. The Aspherical achromatic lenses not only have superior color correction comparing to standard achromats, but also has very similar spherical aberration corrections to those of machined aspheres. To reduce the wavefront errors arising from the standard achromats the second surface of these aspherical achromats are fused with a molded polymer surface. It is an ideal choice for Imaging, Microscopy, Fiber coupling, and Scanning and other applications that use a broadband laser or normal light sources.

Specifications

Technical Specs

Lens Type
Achromatic Doublet
Lens Shape
Plano-Convex
Diameter
9.0 mm
Antireflection Coating
425-675 nm
Coating Type
Visible Multilayer
Coating Code
AR.14 - Front
Damage Threshold
1.0 J/cm² @ 1064 nm, 10 ns , 10 Hz
Lens Material
N-LaK8/N-SF57
Surface Quality
40-20 scratch-dig
Effective Focal Length (EFL)
12.0 mm
Back Focal Length (BFL)
8.14 mm
Radius of Curvature (R)
7.56 mm
Radius 2
-12.80 mm

Radius 3
61.60 mm
Edge Thickness (Te)
4.77 mm
Center Thickness (Tc)
6.0 mm
Thickness, Center 1
4.50 mm
Thickness, Center 2
1.50 mm
Design Wavelengths
587.6 nm
Diameter Tolerance
+0.0/-0.05 mm
Center Thickness Tolerance
± 0.2 mm
Edge Thickness Tolerance
±0.2 mm
Clear Aperture
90% of central diameter

Lens Type
Achromatic Doublet
Lens Shape
Plano-Convex
Diameter
9.0 mm
Antireflection Coating
425-675 nm
Coating Type
Visible Multilayer
Coating Code
AR.14 - Front
Damage Threshold
1.0 J/cm² @ 1064 nm, 10 ns , 10 Hz
Lens Material
N-LaK8/N-SF57
Surface Quality
40-20 scratch-dig
Effective Focal Length (EFL)
12.0 mm
Back Focal Length (BFL)
8.14 mm
Radius of Curvature (R)
7.56 mm
Radius 2
-12.80 mm

Radius 3
61.60 mm
Edge Thickness (Te)
4.77 mm
Center Thickness (Tc)
6.0 mm
Thickness, Center 1
4.50 mm
Thickness, Center 2
1.50 mm
Design Wavelengths
587.6 nm
Diameter Tolerance
+0.0/-0.05 mm
Center Thickness Tolerance
± 0.2 mm
Edge Thickness Tolerance
±0.2 mm
Clear Aperture
90% of central diameter

Resources & Downloads

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