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Longpass and Dichroic Edge Filters

Longpass and Dichroic Edge Filters are used to transmit long wavelengths while rejecting short wavelengths in a wide range of applications such as beam separation, microscopy, or spectroscopy. Longpass and Dichroic Edge Filters are designed to transmit all wavelengths beyond a particular wavelength on the spectrum. Longpass and Dichroic Edge Filters use a range of substrates or coatings to determine the transmission or rejection efficiencies. Dichroic Filters possess a very narrow transmission width. Longpass and Dichroic Edge Filters are available in a wide range of wavelengths.

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
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
  • Ideal for Fluorescence or Multispectral Imaging
  • Sharp Transition from Reflection to Transmission
  • Extended Reflection and Transmission Bands
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
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
Laser Line Longpass Filters
Laser Line Longpass Filters
  • Up to 93% Transmission to Detect Weak Signals
  • Deep > OD 6 Blocking for Maximum Laser Rejection
  • Ideal for Raman Spectroscopy, Confocal Microscopy, and Biotech Instrumentation
  • Unrivaled Performance and Lifetime
Linear Variable Edge Filters
Linear Variable Edge Filters
  • Use in Pairs to Create High Efficiency Custom Bandpass Filters
  • Optimum Input Beam Diameter of 0.2 x 8.0mm
  • OD3 Blocking
  • Linear Variable Bandpass Filters Also Available
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
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

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