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

15mm Dia., 0.67 NA, V-Coated 1550nm NIR Aspheric Lens

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Stock #22-935 3-4 days
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€340,00
Qty 1-5
€340,00
Qty 6+
€272,00
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Diameter (mm):
15.00 +0.0/-0.025
Effective Focal Length EFL (mm):
11.25 @ 1550nm
Numerical Aperture NA:
0.67
Back Focal Length BFL (mm):
7.88 @ 587.6nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-SF6
Aspheric Design Wavelength (nm):
1550
Coating:
1550nm V-Coat
Coating Specification:
Rabs < 0.25% @ 1550nm @ 0° AOI
Centering (arcmin):
<3
Surface Quality:
40-20
Clear Aperture CA (mm):
13.5
Edge Thickness ET (mm):
1.5
Center Thickness CT (mm):
5.00 ±0.1
f/#:
0.75
Bevel:
Protective bevel as needed
Shape of Back Surface:
Plano
Type:
Aspheric Lens
Conjugate Distance:
Infinite
Durability:
ADHESION AND ABRASION AS PER MIL-PRF13830B APP C, PARA C.3.8.4 AND C.3.8.5
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
5 J/cm2 @ 1550nm, 10ns
Asphere Figure Error, @ 632.8nm:
0.4λ RMS and 2λ PV
Power (diopters):
88.89

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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Reach 235:
Compliant
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Product Family Description

  • Designed at 1550nm
  • Precision Grade Aspheric Surface
  • Uncoated and <0.25% Reflectance V-Coat Options

TECHSPEC® 1550nm 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 0.4λ RMS aspheric figure error, these lenses are ideal for applications that require spherical aberration correction, including imaging and laser focusing applications. TECHSPEC® 1550nm 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.