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

25mm Dia., 0.83 NA, Uncoated 1550nm NIR Aspheric Lens

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Stock #17-418
- +
₹31,875.00
Qty 1-5
₹31,875.00
Qty 6+
₹25,500.00
Volume Pricing
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Diameter (mm):
25.00 +0.0/-0.025
Effective Focal Length EFL (mm):
15.00 @ 1550nm
Numerical Aperture NA:
0.83
Back Focal Length BFL (mm):
8.67 @ 587.6nm
Center Thickness CT (mm):
10.00 ±0.1
Coating:
Uncoated
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-SF6
Clear Aperture CA (mm):
22.5
Surface Quality:
40-20
Edge Thickness ET (mm):
2.35
Centering (arcmin):
<2.5
Bevel:
Protective bevel as needed
f/#:
0.6
Design Wavelength DWL (nm):
1550
Shape of Back Surface:
Plano
Conjugate Distance:
Infinite
Asphere Figure Error, RMS @ 632.8nm:
0.4λ

Regulatory Compliance

RoHS:
Certificate of Conformance:

Product Family Description

  • Designed at 1550nm
  • 0.25µm RMS Aspheric Figure Error
  • Uncoated and <0.25% Reflectance V-Coat Options

TECHSPEC® 1550nm High Precision Near-Infrared (NIR) Aspheric Lenses are designed at 1550nm to eliminate spherical aberration in the near-infrared. 1550nm lasers are commonly used in telecom, LiDAR, and other applications requiring eye-safe design features. Manufactured from S-TIH6 or N-SF6 substrates and polished through a computer numerical controlled (CNC) process, these aspheric lenses achieve high precision performance across the NIR spectrum. Featuring a 0.25µm RMS aspheric figure error, these lenses are ideal for applications that require spherical aberration correction, including imaging and laser focusing applications. TECHSPEC® 1550nm High Precision Near-Infrared (NIR) 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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