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

Near-IR (NIR) Neutral Density (ND) Filters

Near-IR (NIR) Neutral Density (ND) Filters

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  • Ideal for NIR Wavelengths 700-1100nm
  • Optical Densities Ranging from 0.3 to 3.0

TECHSPEC® Near-IR (NIR) Neutral Density (ND) Filters feature a spectrally flat region between 700 and 1100nm, outstanding parallelism, and exceptional surface characteristics. The combination of high tolerance and broadband performance makes our filters ideal for attenuating a wide range of IR sources. The UV Fused Silica substrate features a low coefficient of thermal expansion and excellent surface quality, making these filters suitable for attenuating low power lasers, including lasers at the 1064nm Nd:YAG wavelength. Other applications include NIR spectroscopy, machine vision, and analytical chemistry. TECHSPEC Near-IR (NIR) Neutral Density (ND) Filters may be stacked to obtain a variety of optical densities. Orient the mirrored side toward the source at a 0° angle of incidence. Optical Densities of 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0 are available in a Pre-Loaded Filter Wheel.

Note: Due to supply chain issues, our kits may be delivered with an alternative packaging solution in place of a wooden box. For any questions, please contact kits@edmundoptics.com

Common Specifications

Clear Aperture (%):
80
Parallelism (arcsec):
<5
Substrate:
Fused Silica (Corning 7980)
Coating:
Metallic Based ND
Surface Quality:
40-20
Blocking Wavelength Range (nm):
700 - 1100
Transmitted Wavefront, P-V:
λ/4
Optical Density Tolerance (%):
±10

Products

Dia. (mm)  Optical Density OD (Average)   Thickness (mm)   Transmission (%)   Compare   Stock Number   Price  Buy
12.50 0.3 1.50 50.00
25.00 0.3 3.00 50.00
50.00 0.3 5.00 50.00
12.50 0.5 1.50 32.00
25.00 0.5 3.00 32.00
50.00 0.5 5.00 32.00
12.50 0.6 1.50 25.00
25.00 0.6 3.00 25.00
50.00 0.6 5.00 25.00
12.50 0.9 1.50 12.5
25.00 0.9 3.00 12.5
50.00 0.9 5.00 12.5
12.50 1.0 1.50 10.00
25.00 1.0 3.00 10.00
50.00 1.0 5.00 10.00
12.50 1.3 1.50 5.00
25.00 1.3 3.00 5.00
50.00 1.3 5.00 5.00
12.50 1.5 1.50 3.2
25.00 1.5 3.00 3.2
50.00 1.5 5.00 3.2
12.50 2.0 1.50 1.00
25.00 2.0 3.00 1.00
50.00 2.0 5.00 1.00
12.50 2.5 1.50 0.3
25.00 2.5 3.00 0.3
50.00 2.5 5.00 0.3
12.50 3.0 1.50 0.1
25.00 3.0 3.00 0.1
50.00 3.0 5.00 0.1
12.50 3.5 1.50 0.03
25.00 3.5 3.00 0.03
50.00 3.5 5.00 0.03
12.50 4.00 1.50 0.01
25.00 4.00 3.00 0.01
50.00 4.00 5.00 0.01
12.50 5.00 1.50 0.001
25.00 5.00 3.00 0.001
50.00 5.00 5.00 0.001

Technical Information

Accessories

Title CompareStock Number  Price Buy
NIR ND Filter Kit, 12.5mm Dia Filters #47-843 €550,00   Request Quote
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NIR ND Filter Kit, 25mm Dia Filters #47-538 €695,00   Request Quote
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NIR ND Filter Kit, 50mm Dia Filters #64-346 €1.210,00   Request Quote
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Custom

Edmund Optics offers comprehensive custom manufacturing services for optical and imaging components tailored to your specific application requirements. Whether in the prototyping phase or preparing for full-scale production, we provide flexible solutions to meet your needs. Our experienced engineers are here to assist—from concept to completion.

Our capabilities include:

  • Custom dimensions, materials, coatings, and more
  • High-precision surface quality and flatness
  • Tight tolerances and complex geometries
  • Scalable production—from prototype to volume

Learn more about our custom manufacturing capabilities or submit an inquiry here.