01 / IN-HOUSE PROCESS
Cleaning
Ultrasonic cleaning prepares the substrate by removing residue and particles before coating.
Understand the process →OPTICAL FILTERS & COATINGS · MADE IN TAIWAN
OPTICS,
MADE EASIER.
Precision optical filters for industrial, imaging and lighting applications. From standard to custom, we help you find the right solution.
FIND YOUR OPTIC
Find the right filter
in a few clicks.
Search measured models by name, need, product family, industry or spectrum.
Open the full finder →Wavelength selection
Bandpass FiltersBroad Bandpass FiltersBroadband Notch FiltersHot Mirror & UV-IR Cut FiltersIR Cut-off FiltersLongpass FiltersMulti-Bandpass FiltersShortpass FiltersColor & lighting filters
Color Rendering Correction FiltersColor Temperature Blue FiltersColor Temperature Orange FiltersMinus Green FiltersOptical mirrors
Cold Mirror FiltersIndustrial & Machine VisionInspection, sorting, NIR lightArchitectural & Museum LightingMuseum, retail, façadeStage, Studio & ProjectionFixtures and projectionImaging & PhotographyCameras, lenses, photographyMedical & MicroscopyFluorescence and diagnosticsResearch & InstrumentationLaboratory and spectroscopySolar SimulationSimulators and irradianceElectronics & DisplaysDisplays, sensors, modulesSecurity & SurveillanceCCTV, day / night camerasFiber opticsFiber couplers, end faces
START WITH YOUR REQUIREMENTS
Air Mass Filters
Solar simulation.
A defined spectral target.
Air Mass filters for solar simulators. Share your lamp model, target Air Mass spectrum and operating conditions.
Discuss Air Mass requirements →Equipment detailsTarget spectrumOperating conditions
START WITH YOUR APPLICATION
Industrial Optics
See what matters.
Tell us about your illumination, camera or sensor, and the result you need. Connect your application to a filter or coating.
Explore industrial optics →
AUTOMATED INSPECTION
Machine Vision
Reveal defects, separate features and improve image contrast by matching the filter to your illumination and camera.
Explore inspection applications →EXPLORE THE PRODUCT FAMILIES
What should your
filter do?
Bandpass Filters
Transmit a selected wavelength band.
Explore filters →
Longpass Filters
Transmit longer wavelengths within the specified operating range.
Explore filters →
Shortpass Filters
Transmit shorter wavelengths within the specified operating range.
Explore filters →
Neutral Density Filters
Reduce light intensity across the specified spectral range.
Explore filters →WHAT ARE YOU WORKING WITH?
Start with your system.
COLOR & PATTERN FOR INSPIRING SPACES
Architectural &
Experience Lighting
Color and pattern for museums,
galleries, exhibitions and performances.
Dichroic Filters
↗Explore color for your lighting concept.
GOBO
↗Explore patterns and projection for your space.
Concept imagery · not product photography or customer installations
NEAR-INFRARED · MEASURED PERFORMANCE
Select the near-infrared.
Keep your signal in focus.
BP-940W2 combines high transmission across 930–960 nm with low average transmission in the measured blocking regions.
- 930–960 nm · Average T
- 96.925%
- 400–880 nm · Average T
- 0.654%
DESIGNER SAMPLE PROGRAM
From inspiration
to your next project.
Explore a color. Define a format.
Bring your lighting concept into focus.
Sample kit→Color code→Size→Project brief
Start your lighting project →ABOUT KUPO / SINCE 1992
Optical expertise.
Manufactured in-house.
From stage-lighting optics to imaging and industrial systems, KUPO combines thin-film coating, precision measurement and practical engineering support.
Meet KUPO Optics →FROM SUBSTRATE TO VERIFIED FILTER
Precision at every step.
02 / IN-HOUSE PROCESS
Coating
Ion-assisted deposition and planetary rotation support dense, uniform thin-film coatings.
Understand the process →
03 / IN-HOUSE PROCESS
Cutting
Linear and laser cutting produce standard formats and shapes tailored to your assembly.
Understand the process →
04 / IN-HOUSE PROCESS
Spectrometer Inspection
Transmission and blocking performance are checked against requirements before stocking and shipment.
Understand the process →
05 / IN-HOUSE PROCESS
Surface Check
Dedicated inspection equipment checks surfaces for scratches, digs and handling defects.
Understand the process →
06 / IN-HOUSE PROCESS
Inside the Cleanroom
A controlled production environment helps maintain clean surfaces throughout optical manufacturing.
Understand the process →Actual KUPO facilities · photographs from the official website.