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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

25mm Dia., 0.63 NA, 900-1700nm Coated, NIR Precision Aspheric Lens

TECHSPEC® Near-Infrared (NIR) Precision Aspheric Lenses

TECHSPEC® Near-Infrared (NIR) Precision Aspheric Lenses

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Stock #16-296
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Qty 1-5
A$651.20
Qty 6+
A$523.20
Volume Pricing
Request Quote
Diameter (mm):
25.00 +0.00/-0.10
Effective Focal Length EFL (mm):
20.00 @ 780nm
Numerical Aperture NA:
0.63
Back Focal Length BFL (mm):
15.73
Center Thickness CT (mm):
7.60 ±0.10
Coating:
SWIR+ (900-1700nm)
Coating Specification:
Ravg < 0.5% @ 900 - 1700nm @ 0° ±30° AOI
Rabs < 1% @ 900 - 1700nm @ 0° ±30° AOI
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Clear Aperture CA (mm):
22.5
Surface Quality:
40-20
Edge Thickness ET (mm):
2.30
Centering (arcmin):
<3
Bevel:
Protective bevel as needed
f/#:
0.80
Shape of Back Surface:
Plano
Wavelength Range (nm):
900 - 1700
Conjugate Distance:
Infinite
Asphere Figure Error, RMS @ 632.8nm:
1.2λ

Regulatory Compliance

RoHS:

Product Family Description

  • Optimized for Applications in the NIR
  • Uncoated or AR coated versions available
  • Multiple Design Wavelengths Available

TECHSPEC® Near-Infrared (NIR) Precision Aspheric Lenses are optimized to eliminate spherical aberration in the near-infrared. Manufactured from S-LAH64 or N-BK7 substrates and polished through a computer numerical controlled (CNC) process, these aspheric lenses achieve high precision performance across the NIR spectrum. These NIR aspheric lenses include uncoated substrates designed at 780nm with coating options at 350-700nm, 600-1050nm, or 900-1700nm. TECHSPEC® Near-Infrared (NIR) Precision Aspheric Lenses are available with low numerical aperture designs for applications that require beam shape to be maintained as well as high numerical aperture designs for light-gathering applications. For custom designed CNC polished aspheric lenses, please contact us.

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