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Products / Optics / Optical Filters / Neutral Density (ND) Filters / Near-IR (NIR) Neutral Density (ND) Filters
See all 42 Products in Family
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

4.0 OD 25mm Dia., NIR ND Filter

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

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

Stock #36-266
S$153.45
×
Qty 1-5
S$153.45
Qty 6+
S$122.45
Volume Pricing
Request Quote
Coating:
Metallic Based ND
Diameter (mm):
25.00 +0.0/-0.2
Thickness Tolerance (mm):
±0.10
Optical Density OD (Average):
4.00
Surface Quality:
40-20
Thickness (mm):
3.00
Transmission (%):
0.01
Type:
Neutral Density Filter
Blocking Wavelength Range (nm):
700 - 1100
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
UV Grade Fused Silica
Clear Aperture (%):
80
Transmitted Wavefront, P-V:
λ/4
Optical Density Tolerance (%):
±10
Parallelism (arcsec):
<5

Regulatory Compliance

RoHS 2015:
Compliant
×
Reach 211:
Compliant
×

Product Family Description

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

Our TECHSPEC® Reflective NIR 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. The filters may be stacked to obtain a variety of optical densities. Orient mirrored side towards source at 0° angle of incidence. Optical Densities of 0.5, 1.0, 1.5, 2.0, 2.5 and 3.0 available in a Pre-Loaded Filter Wheel.

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