Imaging & Sensing
Improve signal quality
Optical filtering helps cameras and detectors see the wavelengths that matter while reducing ambient-light noise, heat, glare, and unwanted spectral overlap.
Precision Optical Components
Optical Filters, Mirrors, Coatings, and Light-Control Components
KUPO Optics offers wavelength-selective filters, mirrors, surface treatments, and beam-management components for stage lighting, machine vision, UV systems, industrial optics, and custom assemblies.
This page is organized by optical function so engineers, purchasing teams, and system designers can reach the right product family faster. Whether the goal is to isolate a band, reject heat, reduce reflection, or suppress stray light, you can start here and move directly into the matching collection.
Start with the live collections below for the fastest path. If you still want the overview, see our e-catalog and then jump back to the live sections here.
Core Scope
Filters, mirrors, coatings, beam splitters, and light-control hardware
Applications
Stage lighting, imaging, machine vision, UV systems, and industrial optics
Support
Catalog products plus custom coating and optical-selection guidance
Lighting & Projection
Manage color and heat
Mirror coatings, color-temperature filters, spectral correction, and RGB optics help shape output for stage, display, and illumination systems.
Optical Integration
Choose by function first
Start with the optical task you need to solve: isolate a band, reject heat, reduce reflection, divide a beam, or control stray light. That approach usually narrows the right family quickly.
Filter Families
Control transmission, rejection, and spectral shaping
These filter families help isolate useful wavelengths, suppress unwanted bands, manage heat, and improve optical repeatability across lighting, imaging, and industrial systems.
Filters
Shortpass Filters
Transmit shorter wavelengths and block longer bands for spectral separation, detector protection, and contrast control.
Filters
Longpass Filters
Transmit wavelengths above the cutoff for emission filtering, sensing, and systems that need controlled cut-on behavior.
Filters
Broadband Notch Filters
Reject a targeted spectral region while transmitting adjacent bands for laser suppression, measurement, and cleanup tasks.
Filters
Bandpass Filters
Pass a defined wavelength window for imaging, fluorescence, machine vision, and controlled illumination systems.
Filters
Color Temperature Filters
Shift system color balance to tune stage, camera, and projection output toward warmer or cooler response.
Filters
Spectral Correction Filters
Refine lamp or LED output to improve color consistency, balancing, and application-specific spectral shaping.
Filters
Neutral Density Filters
Reduce optical intensity with minimal color shift when exposure, power, or detector saturation must be controlled.
Filters
IR Cut-off Filters
Block near-infrared energy to improve visible-light image accuracy and reduce unwanted thermal loading.
Filters
UV Cut Filters
Suppress ultraviolet content to protect sensors, materials, and downstream optics from unwanted UV exposure.
Filters
UV/IR Cut Off Filters
Transmit the visible region while suppressing both UV and IR for cleaner camera, display, and imaging performance.
Filters
UV Transmission Filters
Pass ultraviolet wavelengths while rejecting longer bands for UV curing, fluorescence, and analytical systems.
Mirror Families
Shape beam paths and manage thermal load
KUPO mirror families cover broadband reflection, wavelength-selective reflection, color-channel routing, and thermal separation for lighting, projection, and optical assembly design.
Mirrors
Hot Mirrors
Reflect infrared energy and pass visible light to reduce heat in illumination paths and optical systems.
Mirrors
Cold Mirrors
Reflect visible light while transmitting infrared to separate useful light from unwanted thermal load.
Mirrors
Aluminum Mirrors
Broadband reflective surfaces for general beam steering, folding, and optical path design.
Mirrors
RGB Mirrors
Split or combine red, green, and blue channels for color mixing, projection, and multi-channel light routing.
Mirrors
Dielectric Mirrors
High-efficiency wavelength-selective reflectors for demanding spectral performance and optical durability.
Coatings & Beam Management
Reduce reflection, suppress stray light, and route beams
These families support cleaner optical paths by increasing useful transmission, limiting parasitic reflection, splitting beams, or controlling off-axis light.
Coatings
Black Chrome Coatings
Low-reflectance surfaces that suppress stray light and help improve contrast inside optical systems.
Coatings
Black Aluminum Coatings
Durable black surface treatment for aluminum components that need lower reflectance and cleaner optical behavior.
Coatings
Anti-Reflection (AR) Coatings
Reduce Fresnel reflection and increase useful transmission across the target wavelength range.
Beam Control
Beam Splitters
Divide or combine light paths for imaging, metrology, monitoring, and multi-channel optical systems.
Beam Control
BREWSTER Diffusion Panels
Manage diffusion and beam spread where controlled scattering is needed in lighting and optical assemblies.
Beam Control
Honeycomb Louvers
Limit off-axis light and glare for cleaner beam shaping, directional control, and optical shielding.
Specialty Components
Precision accessories for optical tuning and solar simulation
These specialty products support aperture control, calibration work, and application-specific optical setups that go beyond standard filtering and reflection management.
Precision Components
IRIS Diaphragms
Mechanically adjustable apertures for beam size control, field-stop functions, and optical tuning.
Solar Simulation
Air Mass Filters
Solar simulation filters designed to approximate atmospheric transmission conditions for testing and calibration work.
Selection Support
Need help narrowing the right product family?
A simple way to choose is to start with the optical problem, not the product name. If you need to isolate a band, begin with bandpass, notch, shortpass, or longpass filters. If the challenge is heat, review hot mirrors, cold mirrors, and IR-management filters. If the issue is reflection or stray light, look at AR coatings and black coatings first.
If you already know the light source, detector, wavelength region, or target transmission behavior, KUPO can help map that requirement to the closest standard family or discuss a custom direction.
Custom Programs
Need something beyond a standard collection?
Many optical programs need more than a stock part number. KUPO supports application-driven selection where wavelength region, blocking level, thermal behavior, substrate choice, and system constraints all matter together.
If your project involves specialized coatings, custom optical tuning, or a system-level spectral requirement, the next step is a technical conversation rather than guesswork.
