Longpass Filters - Dichroic Edge Filters

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OD 2.0 Longpass Filters

Sharp Cut-On Wavelength
≥85% Transmission and OD 2.0 Blocking
6mm Square or 12.5/25mm Diameter Sizes
TECHSPEC® OD 4.0 Longpass Filters Also Available

Dichroic Laser Beam Combiners

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Polarization Insensitive
Hard Sputtered Coating
Multiple Sizes Available

Dichroic Longpass Filters

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

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

Ideal for Fluorescence or Multispectral Imaging
Sharp Transition from Reflection to Transmission
Extended Reflection and Transmission Bands
High Performance Fluorescence Dichroic Filters are also available

High Performance Fluorescence Dichroic Filters

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

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

High Performance OD 4.0 Longpass Filters

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Best Seller

Cut-On Slope <1%
Rejection OD ≥ 4.0
≥91% Transmission in Pass Band
Variety of OD 4.0 Longpass Filter Kits Available

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

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 2.0 Longpass Filters

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Sharp Cut-On Wavelength
High Rejection/Transmission Efficiency
Precision Fused Silica Substrate
Variety of OD 2.0 Longpass Filter Kits are Available

Multi-Edge Fluorescence Dichroic Filters

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

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

View all Resources Related to 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.

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