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Positive Meniscus Lenses

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  • Positive Meniscus Lens Designs
  • Minimize Spherical Aberration and Reduce Spot Sizes
  • 350 – 2,200nm Wavelength Range

Positive Meniscus Lenses are convex-concave lenses manufactured from N-BK7 optical glass and are designed to minimize spherical aberration and reduce spot sizes in focusing applications. When used to focus a collimated beam, the lenses should be oriented with the convex surface towards to light source to minimize spherical aberration. Combining a positive meniscus lens with another lens in a multi-element optical design will allow for a shortening of the focal length and an increase in the numerical aperture (NA) of a system without introducing significant spherical aberrations. Positive Meniscus Lenses are available with focal lengths ranging from 100 to 300mm in 25.4mm diameters sizes. allowing for easy integration into benchtop systems.

一般規格

Diameter (mm):
25.40 +0.00/-0.10
Centering (arcmin):
<3
Clear Aperture CA (mm):
22.86
Substrate:
Coating:
Uncoated
Design Wavelength DWL (nm):
587.6
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
3 Rings
Irregularity (P-V) @ 632.8nm:
0.5 Rings

產品

 Title   比較   庫存號碼   價格  Buy
25.4mm Dia x 100mm FL, Uncoated Meniscus Lens
25.4mm Dia x 125mm FL, Uncoated Meniscus Lens
25.4mm Dia x 150mm FL, Uncoated Meniscus Lens
25.4mm Dia x 200mm FL, Uncoated Meniscus Lens
25.4mm Dia x 300mm FL, Uncoated Meniscus Lens
 
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