Wavelength Ranges from 193nm to 12.4µm
960 Standard Filter Coating Designs
Custom Design, Manufacturing, and Testing Offered
Laser-Line Designs Available for Ultrafast and Other Laser Systems
Filters for Medical Devices, Semiconductor Inspection, Machine Vision, and More
Precision optical filters block, transmit, and reflect selected wavelengths in your system. Whether you need to clean up a laser beam, increase contrast in a machine vision system, or separate fluorescence from emission wavelengths, Edmund Optics® has an appropriate filter solution.
Edmund Optics® is a leading producer of optical filter coatings including fluorescence, dichroic, narrow bandpass, multi-bandpass, notch, edge, and neutral density filters. From small quantities for prototyping to large quantities for production, our engineers can create a solution for you. Our experience in a wide variety of applications will help guide you to finding the best filters for your application. What can we make for you?
Our expert coating designers and technicians are skilled in manipulating coating parameters to meet demanding specification requirements.
| Description | Filters for Fluorescence / Life Science Applications | Hard Coated Bandpass Filters | High-Precision Edge Filters | |||||
|---|---|---|---|---|---|---|---|---|
| Types of Filters | Fluorescence Bandpass Filters | Fluorescence Dichroic Filters | Narrow Bandpass Filters | Medium Bandpass Filters | Broad Bandpass Filters | Shortpass Filters | Longpass Filters | Dichroic Filters |
| Typical Specifications | Transmission ≥ 95% | Transmission ≥ 95% | Transmission ≥ 95% | |||||
| Blocking ≥ OD6.0 | Reflection ≥ 98% | Blocking ≥ OD4.0 | Blocking ≥ OD4.0 | Reflection ≥ 98% | ||||
| Bandwidths between 10 - 80nm | Transmitted Wavefront Distortion (TWD) ≤ λ/4 | Bandwidths between 5 and 20nm | Bandwidths between 25 and 50nm | Bandwidths ≥ 50nm | Slope Factor ≤1% | Transmitted Wavefront Distortion (TWD) ≤ λ/4 | ||
| Environmental Durability per MIL-STD-810H | Environmental Durability per MIL-STD-810H | Environmental Durability per MIL-STD-810H | ||||||
| Physical Durability per MIL-C-48497A | Physical Durability per MIL-C-48497A | Physical Durability per MIL-C-48497A | ||||||
| Comments | Standard and custom designs for common fluorophores; integratable into fluorescence microscope cubes, medical and diagnostic instruments, and PCR devices | Standard and custom designs for common LED and laser light sources, fluorescent proteins, and elemental and chemical emission lines; integratable into spectroscopic instruments, machine vision equipment, and medical and diagnostic devices | Standard and custom cut wavelengths between 300nm and 10µm; ideal for spectral sorting and isolation, beam combining, and Raman detection; designs can be optimized for sharp transitions, deep rejection, broad transmission, and low GDD | |||||
| Description | Optical Notch Filters | Neutral Density (ND) Filters | Machine Vision Filters | |||||
|---|---|---|---|---|---|---|---|---|
| Types of Filters | Laser Line Notch Filters | Multi-Line Notch Filters | Reflective ND Filters | Non-Reflective ND Filters | Absorptive ND Filters | Bandpass Filters | Band Reject Filters | Polarizing Filters |
| Typical Specifications | Blocking ≥ OD6.0 | Optical Densities between 0.1 and 5.0 | Common Machine Vision Filter Threads | |||||
| Narrow FHWM | 2, 3, and 4 Wavelength Designs | UV, VIS, NIR, LWIR, and Multi-Spectral Ranges | Reflection ≤ 2% | All SCHOTT and Hoya Glasses Available | Transmission ≥ 90% | Blocking ≥ OD4.0s | ≥9,000:1 Extinction Ratio | |
| Broad Transmission Ranges | Transmitted Wavefront Distortion (TWD) ≤ 1λ | Low cost or high precision substrates | VIS and NIR Designs | Variety of AR Coating Options | Common LED Center Wavelengths | UV and/or NIR Cut | Linear or Circular Polarization | |
| Environmental Durability per MIL-STD-810H | Surface Quality 40-20 | Surface Quality 60-40 | Tightly controlled thickness, or optical density | Environmental Durability per MIL-STD-810H | Rotating Polarizers for Transmission Control | |||
| Physical Durability per MIL-C-48497A | Transmitted Wavefront Distortion (TWD) ≤ λ/4 | Low cost or high precision substrates | Melt certs available | Physical Durability per MIL-C-48497A | High Contrast, Transmission, or Temperature Options | |||
| Comments | Standard and custom designs for deep rejection of common Nd:YAG, Yb:YAG, HeNe, Argon Ion, Fiber, Ti:Sapphire, and diode lasers | Standard and custom optical densities for even attenuation across a variety of spectral regions; standard regions include 400 - 700nm, 700 - 1100nm, 250 - 700nm, 190 - 1700nm, and 2.0 - 14.0µm | Standard and custom designs for common LEDs, laser wavelengths, and light sources used in machine vision applications; mounted in filter rings with threads available from M22.5 x 0.5 to M105.5 x 1.0, including common M25.5 x 0.5 and M30.5 x 0.5 options | |||||
Need filters for your laser application? Edmund Optics produces both standard and custom laser filters optimized for laser-induced damage threshold (LIDT) for high powers and group delay dispersion (GDD) for ultrafast lasers.
Edmund Optics® has state-of-the-art optical coating facilities in the US, Japan, and Singapore with capabilities including:
Edmund Optics® performs a range of testing to ensure the highest performance from our stock and custom optical coatings. Coating metrology equipment:
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