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Dichroic Filters

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45° Reflective Dichroic Color Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
45° Reflective Dichroic Color Filters
  • Reflects Stated Color While Transmitting Remaining Visible Spectrum
  • Ideal for Color Separation Applications
  • Precision N-BK7 Substrates
Dichroic Shortpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Dichroic Shortpass Filters
  • Sharp Cut-Off Wavelength
  • Broad Transmission and Reflection Ranges
  • Available in 4 Common Sizes
Dichroic Longpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Dichroic Longpass Filters
  • Ideal for Fluorescence or Multispectral Imaging
  • Sharp Cut-On Wavelength
  • Broad Transmission and Reflection Ranges
Fluorescence Dichroic Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Fluorescence Dichroic Filters
Multi-Edge Fluorescence Dichroic Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Multi-Edge Fluorescence Dichroic Filters
  • Multiple Cut-On Wavelengths On a Single Filter
  • High Peak Transmission, Excellent Blocking
  • Ideal for Simultaneous Viewing of Multiple Fluorophores
  • For Optimal Performance Pair with Multi-Band Fluorescence Bandpass Filters
Additive and Subtractive Dichroic Color Filters Additive and Subtractive Dichroic Color Filters
  • High Saturation Dichroic Type
  • Matrix of Sizes and Sets
  • Precision Glass Substrate
Low GDD Dichroic Shortpass Ultrafast Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
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Low GDD Dichroic Shortpass Ultrafast Filters
  • Reduced Thickness for Limited GDD
  • Broad Transmission and Reflection Ranges 
  • Ideal for Ultrafast Laser Applications
  • Controlled GDD Specification Using In-House Metrology
Dichroic Laser Beam Combiners
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Dichroic Laser Beam Combiners
  • Polarization Insensitive
  • Hard Sputtered Coating
  • Multiple Sizes Available
High Performance Fluorescence Dichroic Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
High Performance Fluorescence Dichroic Filters
  • Improved Flatness, Transmitted Wavefront, and Surface Quality
  • Ideal for Fluorescence Microscopy or High Magnification Imaging Applications
  • Most Popular Cut-On Wavelengths of Fluorescence and Longpass Dichroic Filters
  • Standard Fluorescence Dichroic Filters are also available

View all Resources Related to Dichroic Filters  

Dichroic Filters are coated with thin-film dielectric coatings that transmit wavelengths within a specified transmission band and reflect all other wavelengths. By reflecting rejected wavelengths instead of absorbing them, dichroic filters can be used with more intense light sources than absorptive filters. Dichroic Filters are generally used at a 45° angle of incidence to reflect rejected light at 90° to the transmitted light. Dichroic Filters are used in applications such as fluorescence microscopy and flow cytometry to selectively transmit light towards detectors.

Edmund Optics offers a range of Dichroic Filters, including 45° Reflective Dichroic Color Filters that reflect one color while transmitting all other visible wavelengths, Dichroic Shortpass Filters and Dichroic Longpass Filters designed for the visible or near-infrared (NIR), and Fluorescence Dichroic Filters with cut-on wavelengths at common fluorophore emission wavelengths. For more information on our optical filter products, visit our Optical Filters Selection Guide.


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