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Products / Optics / Defense Optics / COTS Filters and Polarizers

COTS Filters and Polarizers

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Absorptive Neutral Density (ND) Filters Absorptive Neutral Density (ND) Filters
  • Attenuates Visible Light Via Absorption, Rather than Reflection
  • Multiple Filters Can be Stacked for Increased Blocking
  • Optical Densities from 0.1 to 4.0 are Available
  • Also Available Pre-mounted in C-Mount Housings
Fluorescence Bandpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Fluorescence Bandpass Filters
Hard Coated OD 4.0 10nm Bandpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Hard Coated OD 4.0 10nm Bandpass Filters
  • Ideal for Life Sciences or Chemical Analysis
  • Available in UV, VIS, and IR Center Wavelengths
  • Feature High Performance Hard Coatings
  • Hard Coated OD 4.0 5nm, 25nm, and 50nm Bandpass Filters Also Available
High Performance OD 4.0 Longpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
High Performance OD 4.0 Longpass Filters
High Performance OD 4.0 Shortpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
High Performance OD 4.0 Shortpass Filters
  • Broad Transmission and Rejection Ranges
  • Sharp Slope for Effective Spectral Discrimination
  • Combine with Longpass Filter for Custom Bandpass Ranges
Infrared (IR) Neutral Density (ND) Filters Infrared (IR) Neutral Density (ND) Filters
  • Spectrally Flat from 2μm to 14μm
  • Precision Germanium Substrate
Linear Glass Polarizing Filters Linear Glass Polarizing Filters
  • 95% Polarization Efficiency
  • 30% Typical Single Transmission of Unpolarized Light from 400 - 700nm
  • 0.15% Average Crossed Transmission from 400 - 700nm
  • Also Available Mounted
OD 2.0 Longpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
OD 2.0 Longpass Filters
  • Sharp Cut-On Wavelength
  • High Rejection/Transmission Efficiency
  • Precision Fused Silica Substrate
  • Variety of OD 2.0 Longpass Filter Kits are Available
Hoya Colored Glass Longpass Filters Hoya Colored Glass Longpass Filters
  • UV, VIS and IR Pass Ranges
  • VIS Can Be Used for Color Bandpass
  • Also Available Mounted
Mounted Infrared (IR) Filters Mounted Infrared (IR) Filters
  • UV/IR Cut or Infrared (IR) Pass Filters
  • Pass Only Visible Light or Pass Only Infrared Light
  • IR-Cut are Ideal for Use As Heat-Absorbing Filters
Near-IR (NIR) Neutral Density (ND) Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Near-IR (NIR) Neutral Density (ND) Filters
  • Ideal for NIR Wavelengths 700-1100nm
  • Optical Densities Ranging from 0.3 to 3.0
Optical Cast Infrared (IR) Longpass Filters Optical Cast Infrared (IR) Longpass Filters
  • Lightweight Plastic
  • Excellent Thermal and Chemical Resistance
OD 2.0 Shortpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
OD 2.0 Shortpass Filters
  • Sharp Cut-Off Wavelength
  • High Transmission / Rejection Efficiency
  • Precision Fused Silica Substrate
Traditional Coated 193 – 399nm Bandpass Interference Filters Traditional Coated 193 – 399nm Bandpass Interference Filters
  • Available in UV, Visible, and IR Center Wavelengths
  • 10 – 80nm Bandwidths Available
  • Ideal for Biomedical Applications and Instrumentation Integration
  • 193-399nm, 400-699nm, and 700-1650nm CWL Options Available
Traditional Coated 400 – 699nm Bandpass Interference Filters Traditional Coated 400 – 699nm Bandpass Interference Filters
  • Available in UV, Visible, and IR Center Wavelengths
  • 10 – 80nm Bandwidths Available
  • Ideal for Biomedical Applications and Instrumentation Integration
  • 193-399nm, 400-699nm, and 700-1650nm CWL Options Available
Traditional Coated 700 – 1650nm Bandpass Interference Filters Traditional Coated 700 – 1650nm Bandpass Interference Filters
  • Available in UV, Visible, and IR Center Wavelengths
  • 10 – 80nm Bandwidths Available
  • Ideal for Biomedical Applications and Instrumentation Integration
  • 193-399nm, 400-699nm, and 700-1650nm CWL Options Available
High Contrast Glass Linear Polarizers
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
High Contrast Glass Linear Polarizers
  • 10,000:1 High Extinction Ratio for 400 - 700nm
  • Polarization Axis is Reference Marked
  • Anti-Reflection Coated to Minimize Reflection Loss
UV-NIR Neutral Density (ND) Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
UV-NIR Neutral Density (ND) Filters
  • Constant Transmission from 190 – 1700nm
  • Can be Stacked to Create Intermediate Density Values
  • Multiple Optical Densities Available
UV-VIS Neutral Density (ND) Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
UV-VIS Neutral Density (ND) Filters
  • Ideal for 250-700nm Sources
  • Optical Densities Ranging from 0.3 to 3.0

View all Resources Related to COTS Filters and Polarizers  

COTS Filters and Polarizers are used to transmit certain wavelengths or polarization states of light for a range of defense or security applications. COTS Filters are designed to transmit a certain wavelength or wavelengths while reflecting unwanted wavelengths. COTS Polarizers transmit only specific polarizations of light. COTS Filters and Polarizers are an easier, low cost alternative to developing similar custom components. Products designed for different wavelengths or polarizations are available to suit many applications’ needs.

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