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15mm Dia. x 15mm FL, 650-1000nm AR Coated, Gradium Lens
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15mm Dia. x 15mm FL, 650-1000nm AR Coated, Gradium Lens

Stock #47-452 Clearance
Qty 1
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Diameter (mm):
15.00 ±0.25
Effective Focal Length EFL (mm):
Numerical Aperture NA:
Back Focal Length BFL (mm):
Focal Length Specification Wavelength (nm):
Focal Length Tolerance (%):
Center Thickness CT (mm):
Center Thickness Tolerance (mm):
BBAR (650-1000nm)
Coating Specification:
Ravg <0.5% @ 650 - 1000nm
Clear Aperture CA (mm):
Surface Quality:
Centering (arcmin):
Gradient Index Lens
Wavelength Range (nm):
650 - 1000

Regulatory Compliance

RoHS 2015:
Reach 205:

Product Family Description

  • Aspheric Performance
  • Smaller Focused Spot Size
  • Reduced Spherical Aberration

GRADIUM® lenses utilize advances in the manufacturing of axial gradient glass to improve lens performance. The process turns a glass of several SF layers into a single glass with a gradually changing index. The index may change by as much as 0.15 from the front surface to the back surface. This change in index allows for correction of system aberrations, especially spherical, yielding better images in infinite/finite imaging applications. GRADIUM® lenses are ideal for laser focusing applications, providing smaller spot sizes compared to the standard PCX counterpart. Two broadband antireflection coating options are available that cover a large range of visible and near-infrared laser wavelengths. For OEM and high volume coating options, please contact our Applications Engineering Department to discuss your requirements.

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