Bandpass Filters | Optical Filters

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

Best Seller

Fluorescence Bandpass Filters

Common Wavelengths for Popular Fluorophores
Excitation Filters and Emission Filters Available
>93% Transmission
>OD 6 Blocking, <3% from Edge of Bandwidth
Fluorescence Filter Sets and Pre-Mounted Fluorescence Filter Cube Sets Also Available

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

New Hard Coated OD 4.0 5nm Bandpass Filters

Variety of UV, VIS, and NIR Laser Lines Available
Deep Blocking and High Transmission
Steep Transmission and Rejection Slopes
Hard Coated OD 4.0 10nm, 25nm and 50nm Bandpass Filters Also Available

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

Hard Coated OD 4.0 25nm Bandpass Filters

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

Hard Coated OD 4.0 25nm Bandpass Filters

Ideal for Life Science Instrumentation
High Transmission, Deep Blocking
Used to Prevent Photobleaching in Microscopy Applications
Hard Coated OD 4.0 5nm, 10nm and 50nm Bandpass Filters also Available

Hard Coated OD 4.0 50nm Bandpass Filters

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

Hard Coated OD 4.0 50nm Bandpass Filters

High Transmission, Deep Blocking
Broad Bandwidths Ideal for Imaging Applications
Available in VIS and IR Center Wavelengths
Hard Coated OD 4.0 10nm and 25nm Bandpass Filters Also Available

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

New Unmounted OD 4.0 Bandpass Filters

Center Wavelengths from 365 to 1550nm
10, 25, or 50nm Full-Width Half Maximum Options
High Transmission and Deep Blocking
Mounted OD 4.0 5nm, 10nm, 25nm and 50nm Bandpass Filters Also Available

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

Hard Coated OD 4.0 Bandpass Filter Kits

High Transmission with Flat Transmission Profile
Durable Hard Coatings on a Single Glass Substrate
Easily Handled and Cleaned
Individual OD 4.0 10nm, 25nm, and 50nm Bandpass Filters Also Available
Note: Potential change of packaging

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

New Unmounted Fluorescence Bandpass Filters

Designed for Use With Common Fluorophores
Excitation and Emission Filters Available
High Transmission with Deep >OD 6.0 Blocking
Mounted Fluorescence Filters and Mounted Fluorescence Filter Sets Also Available

Multi-Band Fluorescence Bandpass Filters

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

Multi-Band Fluorescence Bandpass Filters

Multiple Pass Bands on a Single Filter
High Peak Transmission, Excellent Blocking
Ideal for Simultaneous Viewing of Multiple Fluorophores
For Optimal Performance Pair with Multi-Edge Fluorescence Dichroic Filters

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

Fluorescence Filter Sets

Excitation, Emission, and Dichroic Filters for Fluorescence Imaging
>93% Transmission and OD 6 Blocking for Maximum Brightness and Contrast
Hard Sputtered Coatings on Single Substrate
TECHSPEC Pre-Mounted Filter Cubes Also Available

Pre-Mounted Fluorescence Filter Cube Sets

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

Pre-Mounted Fluorescence Filter Cube Sets

Ensure Proper Alignment of Filter Sets
Easily Adapt to Common Microscopes
Available in a Variety of Wavelengths
Unmounted TECHSPEC® Fluorescence Filter Kits Also Available

New UV Bandpass Filters

Center Wavelengths in the UV from 193nm
First Surface Bandpass Coating with Protective Overcoat
25 and 50mm Diameters Available

Clearance Deep UV Bandpass Filters

Center Wavelengths as Low as 122nm
Mounted in Aluminum Ring to Ease System Integration
Substrates Include MgF₂ and UV Grade Fused Silica

Infrared (IR) Bandpass Filters

Ideal for Gas Analysis
Center Wavelengths of 2.7-12.4μm
Single Substrate Interference Filter

New Ultra Narrow Bandpass Filters

>90% Transmission at Design Wavelength
Up to >OD 8 Blocking Across Blocking Range
As Narrow as <0.5nm Full Width-Half Max

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

Hard Coated Laser Clean-Up Filters

Narrow Bandwidths for Gas and Solid State Lasers
Broad Bandwidths for Diode Laser Clean-Up
High Transmission, Deep Blocking

High Performance Laser Line Bandpass Filters

Over 90% Transmission at Specified Laser Lines
Hard Coated Design
Designed for Laser Applications

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

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

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 Bandpass Interference Filter Kits

Kits Include Our Traditional Coated Bandpass Interference Filters
Visible and Near-Infrared Versions
Popular 12.5mm and 25mm Mounted Diameter Options
Note: Potential change of packaging

New SCHOTT Harsh Environment Colored Glass NIR Cut-Off Filters

High Absorption in the NIR
Designed for Use in Harsh Environments with High Humidity
50 x 50mm Size with 1mm Thickness

Best Seller

New SCHOTT Colored Glass Bandpass Filters

16 Standard SCHOTT Glass Types
Standard Circular and Square Sizes with 1, 2, or 3mm Thickness
UV, Visible, and IR Bandpass Regions

Linear Variable Bandpass Filters

Narrow Bandwidths with High Transmission
Optimum Input Beam Diameter of 0.5 x 10.0mm
OD4 Blocking
Linear Variable Edge Filters Also Available

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

OD 6 Laser Line Clean-Up Filters

Over 90% Transmission at Design Wavelength
Hard Coated Design
Designed for Laser Applications

View all Resources Related to Bandpass Selection Table

Bandpass Filters are used to selectively transmit a portion of the spectrum while rejecting all other wavelengths. Bandpass Filters are ideal for a variety of applications, such as fluorescence microscopy, spectroscopy, clinical chemistry, or imaging. These filters are typically used in the life science, industrial, or R&D industries.

Edmund Optics offers a wide variety of Bandpass Filters in a range of bandwidth options for ultraviolet (UV), visible (VIS), or infrared (IR) applications. Laser Line filters typically have narrow bandwidths of 2 – 5nm for demanding laser applications. Fluorescence Filters, which have been designed to maximize the energy of the excitation and emission bands, typically have broad bandwidths of 20 – 70nm. Edmund Optics’ 10nm filters are ideal for chemical, environmental, or elemental analysis. Hard coated filters offer maximum performance with exceptional durability. Traditionally coated evaporated filters are cost-sensitive alternatives. Bandpass Filters are angular sensitive, so care should be taken when mounting or integrating into an optical system.

Bandpass Filter Selection Table

Bandwidth Bandwidth is the spectral range over which an optical filter will transmit illumination. Narrow bandwidth filters (<20nm) are typically used in elemental and chemical analysis applications, analytical instrumentation, and laser line clean up. Broad bandwidths (>20nm) are commonly used in imaging applications, including fluorescence microscopy, machine vision, and factory automation. Visit our application note on Optical Filters for more information.

Optical Density Optical Density describes the amount of energy blocked or rejected by a filter. A high optical density value indicates low transmission, and low optical density indicates high transmission. Optical densities of 6 or greater are used for creating high signal-to-noise in applications such as fluorescence microscopy. Optical densities of 3.0 – 4.0 are ideal for laser separation and clean-up, machine vision, and chemical detection, while optical densities of 2.0 or less are ideal for color sorting and separating spectral orders. Visit our application note on Optical Filters for more information.

	Broad Band for Fluorescence Imaging and Machine Vision Applications		Narrow Band for Chemical Analysis or Laser Clean Up				Kits, Sets, and Specialty Filters
OD 6.0 Blocking (<0.0001% Transmission) OD 6.0 Filters are fabricated utilizing advanced Hard Coating technologies including ion beam sputtering (IBS) and magnetron sputtering, guaranteeing high transmission, deep blocking, and extended lifetimes.	Fluorescence Bandpass Filters	Multi-Band Fluorescence Bandpass Filters	High Performance Laser Line Bandpass Filters	Ultra Narrow Bandpass Filters	OD 6 Laser Line Clean-Up Filters		Fluorescence Filter Sets	Pre-Mounted Fluorescence Filter Sets
OD 4.0 Blocking (<0.01% Transmission) OD 4.0 Filters are typically manufactured utilizing high volume Hard Coating technologies, guaranteeing high transmission, deep blocking, extended lifetimes, and generous volume discounts.	Hard Coated OD4 50nm Bandpass Filters	Hard Coated OD4 25nm Bandpass Filters	Hard Coated OD4 10nm Bandpass Filters	Hard Coated OD4 5nm Bandpass Filters	UV Bandpass Filters		Hard Coated OD 4.0 Bandpass Filter Kits	Unmounted Hard Coated OD4 Bandpass Filters	Linear Variable Bandpass Filters
OD 2.0 Blocking (<1% Transmission) OD 2.0 Filters are typically manufactured from traditional evaporative coating technologies, or absorptive colored glass, yielding cost effective filters.	Infrared Bandpass Filters		Traditional Coated (193-399nm) Bandpass Filters	Traditional Coated (400 - 699nm) Bandpass Filters	Traditional Coated (700 - 1650nm) Bandpass Filters	Deep UV Bandpass Filters	Traditional Coated Kits	Colored Glass Bandpass Filters