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Products / Optics / Defense Optics / COTS Filters and Polarizers

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.

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
  • Common Wavelengths for Popular Fluorophores
  • >93% Transmission
  • >OD 6 Blocking, <3% from Edge of Bandwidth
Hard Coated OD 4 10nm Bandpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

Hard Coated OD 4 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 25nm and 50nm Bandpass Filters Also Available
High Performance OD 4 Longpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

High Performance OD 4 Longpass Filters
  • Cut-On Slope <1%
  • Rejection OD ≥ 4.0
  • ≥91% Transmission in Pass Band
High Performance OD 4 Shortpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

High Performance OD 4 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 Longpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

OD 2 Longpass Filters
  • Sharp Cut-On Wavelength
  • High Rejection/Transmission Efficiency
  • Precision Fused Silica Substrate
  • Variety of OD 2 Longpass Filter Kits are Available
Longpass Glass Color Filters
Longpass Glass Color 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
  • Pass Only Visible Light or Only IR
  • 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 Shortpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

OD 2 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 Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

UV-NIR Neutral Density 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
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