Aspheric
Microlenses
These aspheric lenses are manufactured by precision molding of optical
crown glass. Aspheric surfaces permit a higher degree of correction than
spherical surfaces thereby providing for improved performance out of a
simple, single element lens. |
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This range of Microlenses have been corrected for
use with a standard laser diode window and are primarily intended for the
collection and collimation of laser diode radiation. They have diffraction
limited performance at any wavelength in the laser diode spectrum and can be
anti-reflection coated upon request. Since the lenses have been molded a
mounting flange has been built in to the lens removing the need for costly
and inconvenient mounting cells. A range of numerical apertures are offered
and this should be selected according to the application. |
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Specifications &
Tolerances
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Focal length: |
±2% @ 780nm |
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Surface accuracy: |
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Surface quality: |
40-20 |
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Window: |
BK7-0.25mm |
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Bevel: |
0.2mm (Plano surface) |
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Diameter: |
+0. -0.2mm |
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Thickness: |
±0.2mm |
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Centration:
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±0.01mm |
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Material: |
Corning C0550 |
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Coating: |
Optional AR (see coatings
section) |
Aspheric Lenses
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Numerical Aperture |
Focal Length (mm) |
Diameter, D (mm) |
Thickness Center, tc (mm) |
Thickness Edge, te (mm) |
Flange Width, FW (mm) |
Clear Aperture, A (mm) |
Working Distance, WD (mm) |
Price |
PRODUCT NUMBER |
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0.15 |
18.40 |
6.50 |
2.2 |
1.8 |
0.35 |
5.5 |
17.1 |
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023-5515 |
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0.25 |
11.11 |
7.20 |
5.0 |
4.2 |
0.40 |
5.5 |
8.0 |
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023-5525 |
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0.30 |
6.16 |
4.70 |
3.5 |
2.9 |
0.30 |
3.7 |
4.4 |
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023-5530 |
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0.40 |
6.24 |
7.20 |
5.4 |
4.2 |
0.65 |
5.0 |
3.5 |
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023-5540 |
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0.50 |
2.00 |
3.00 |
2.0 |
1.4 |
0.30 |
2.0 |
1.1 |
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023-5550 |
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0.55 |
4.51 |
6.33 |
2.9 |
1.6 |
0.55 |
5.0 |
2.9 |
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023-5555 |
For anti-reflection coatings see the AR Coatings page - append coating
suffix and specify surfaces to be coated.
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Merci de contacter Infos Photon Lines pour tout renseignement complémentaire. |
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