Optical Filter Tags Index
Use this topic index to explore OPTOStokes content by optical filter type, wavelength range, coating requirement, application, and performance parameter. These tags and resource links help optical engineers, OEM buyers, and procurement teams quickly locate related products, technical articles, and filter selection resources.
Browse by Filter Type
Start with the main optical filter families used in fluorescence, machine vision, analytical instruments, laser systems, and industrial optical assemblies.
Browse by Wavelength & Spectral Range
Explore filters by UV, visible, NIR, SWIR, and common wavelength regions used in detection, illumination, imaging, fluorescence, and laser-related applications.
Browse by Application
Use application-oriented topics when selecting filters for system design, prototype validation, replacement parts, or OEM optical integration.
Browse by Performance Parameter
Optical filter performance is often defined by CWL, FWHM, optical density, blocking range, transmission, spectral edge position, and coating uniformity.
Featured Product Categories
These core product categories provide stable entry points for engineers and buyers who need standard or custom optical filters.
Bandpass Filters
Narrow spectral transmission filters for fluorescence, machine vision, biomedical imaging, LED selection, and analytical detection systems.
Fluorescence Filter Sets
Matched excitation filters, emission filters, and dichroic mirrors for fluorescence microscopy, PCR, and life science instruments.
Dichroic Mirrors
Beam splitting and wavelength combining optics for fluorescence systems, optical instruments, and multi-channel imaging setups.
Neutral Density Filters
Broadband attenuation filters for light intensity control, imaging systems, photometry, calibration, and optical testing.
Notch Filters
High blocking filters designed to reject narrow wavelength bands while transmitting adjacent spectral regions.
Optical Flats & Laser Windows
Precision optical windows and flat optics for laser, imaging, inspection, and protective optical applications.
Selected Technical Resources
Explore selected technical resources related to optical filter coating, spectral performance, application selection, and manufacturing considerations.
Optimizing Dual-Channel Fluorescence Detection in Compact PC
Explore dual-bandpass & spliced optical filter solutions for dual-channel mini PCR devices. Custom & in-stock options by...
Technical Overview: Precision Optical Mirrors & Reflecto
Explore OPTOStokes' precision optical mirrors, including metallic, dielectric, and OAP optics. High LIDT, custom co...
What Are Infrared Filters?
Comprehensive guide to infrared filters: working principles, filter types, key parameters (CWL, FWHM, OD) and selection ...
Physics Principles of Infrared Gas Sensing: Why Wavelength S
Master the physics of NDIR gas sensing filters. Learn why CO2, CH4, and CO wavelengths require high CWL accuracy, OD4 bl...
Demystifying Optical Surface Flatness
Master surface flatness specifications from λ/4 to λ/20 in nm. Learn PV vs RMS, interferometry setups, and optical flat ...
What are the main wavelength bands of time-resolved fluoresc
Premium TRF bandpass filters & dichroic beamsplitters for Europium assays. High OD6 blockage & 95% transmission. In-stoc...
Recently Added Tags
Recently added tags reflect new product pages, technical notes, and optical filter topics published on OPTOStokes.
IR Coatings FLIR Grade Multispectral Optics ZnS Optics Zinc Sulfide 320nm bandpass filter OD4 blocking 310nm bandpass filter UV-VIS-NIR Filter Broadband ND Filter sp1310 uv passband sp425 FAM ROX filter mini PCR Off-Axis Parabolic Mirrors Dielectric Coatings OD5 214nm filter OD5 filter fluorescence instrument UV spectroscopy BP230nm Thermal Imaging UV optical filter 275nm infrared spectroscopy filter high transmission 4680nm filter MWIR filter for CO leakage detection trace gas detection atmospheric sensing FWHM 1000nm 14500nm IR filter infrared optical components 4450nm MWIR filter Laser Windows Fizeau Interferometry Wavefront Error Surface Flatness Optical Flat 365nm Optical Windows barcode scanner aoi 45 deg 800-870nm nir optical mirror protected gold mirror broadband reflector 420-680nm optical mirrors protected aluminum mirror optical attenuation spectrophotometer optical density 2.0 400‑700nm filter optical attenuator od1 filter absorptive nd filter blocking filter CWL 635nm SP635 OD>2 blocking visible light filter SP610 short‑pass filter Europium Assay Filters TRF Filters Thin Film 905nm Mirror HR Mirror beam steering 830-1000nm NIR mirror optical mirror AOI Color Calibration Tristimulus Filters CIE 1931 XYZ Color Sensor BP671 Narrow-Linewidth Laser 671nm Filter stray light rejection custom 940nm bandpass filter OD2 blocking optical filter 940nm narrow bandpass filter IR camera filter 925nm filter BP915nm bandpass filter 3D scanning filter LiDAR optical filter NIR bandpass filter 740nm filter 785nm bandpass filter 740nm bandpass filter BP525 optical filter for sorting 525nm bandpass filter 460nm filter