Chroma Technology Corp

Bellows Falls, VT 05101


About Chroma Technology Corp

Manufacturer of catalog and custom optical filters for demanding applications across the spectrum. ISO 9001 and B Corp certified.


10 Imtec Ln
Bellows Falls, VT 05101
United States

More Info on Chroma Technology Corp


At Chroma Technology, we strive to create a world of infinite possibilities through our diverse product portfolio. From life sciences and agriculture to automation, inspection, sensing, security, and aerospace, our optical filters play a vital role. They are the unseen heroes in countless technologies.

Chroma’s commitment to excellence is reflected in our high-performance optical filters, with superior durability and longevity. Designed to operate across a wide spectral range from 200-3000 nm, we offer a variety of catalog filter options for numerous applications including:

At Chroma, we recognize that every project is unique. If you don't find what you need in our catalog, rest assured that we can create a custom solution tailored to your specific needs. Whether it's a one-time requirement or high-volume production, we have the expertise to design and deliver optical filters that exceed your expectations. 

Contact us today!


Optical filters

Chroma Filters for Raman Applications

Chroma Technology supplies key components for Raman spectroscopy A set of optical interference filters used in Raman spectroscopy must perform cohesively as a unit to successfully...
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Optical filters

Optical Filters

Browse or search all of our sputter/hard coated optical filters for applications such as fluorescence, raman, multiphoton, astronomy and machine vision.Single Bandpass &Single...

Press Releases

Anne H2023 1 0
Optical filters

Chroma awards Prof. Prisca Liberali the Anne Heidenthal Prize for Fluorescence Research

This year, Chroma Technology is happy to present the Anne Heidenthal Prize for Fluorescence Research award to Prof. Prisca Liberali from Friedrich Miescher Institute for Biomedical...
Optical filters

Chroma Technology Supports Local Schools with Science Grant and Scholarships

Bellows Falls Middle School received significant support this spring which enabled hands-on science with an over $9000 grant, providing a set of 15 microscopes, the...
Optical filters

Chroma Technology honored by Vision Systems Design 2022 Innovators Awards Program

BELLOWS FALLS, Vermont, 6/6/2022 – Chroma Technology announced today that its ContrastMax SWIR optical filters for machine vision and remote sensing were recognized among...


Chroma Customer Spotlight - Dr
Optical filters

Chroma Customer Spotlight - Dr. David Warshaw, About his Lab

David Warshaw, Professor and Chair of Molecular Physiology and Biophysics at the University of Vermont (UVM), walks us through his lab. Learn about his lab’s work with the protein...


Optical filters

Catalog of Filters and Filter Sets

This price list provides information about the filter sets Chroma Technology has created for the multitude of fluorochromes that are typically used in epi-fluorescence microscopy...
Optical filters

Handbook of Optical Filters for Fluorescence Microscopy

Fluorescence microscopy requires optical filters that have demanding spectral and physical characteristics. These performance requirements can vary greatly depending on the specific...
Optical filters

Custom & OEM Filter Design Brochure

At Chroma Technology, we consider ourselves to be partners with our customers. With 25 years of experience serving the scientific, biomedical and photonics communities, we know...


Rs301 Gut Final V4
Optical filters

Understanding and Using Fluorophores

Filter sets are usually named for the fluorophore for which they are recommended but can be useful with many others in the same spectral range. You will need to know a variety...
Rs301 Gut Final V4
Optical filters

Understanding and Using Fluorophores

Filter sets are usually named for the fluorophore for which they are recommended but can be useful with many others in the same spectral range. You will need to know a variety...


Chroma Technology

Optical filter finder website available

The Spectra Viewer website allows users to navigate the performance characteristics of various individual optical filters.
Chroma Technology

SWIR optical filters have use in remote sensing

Shortwave-infrared (SWIR) sputter-coated optical filters for remote sensing are designed to optimize the signal-to-noise ratio.
Chroma Four Set

Chroma moves to 24-hour production of COVID-19 PCR test fluorescence filter

To help increase testing for the COVID-19 virus, Chroma Technology has moved to three-shift, seven-days-a-week production of desperately needed optical filters required for PCR...
(Courtesy of Simon C. Watkins, Ph.D., FRC Path, Professor and Vice Chair Cell Biology and Physiology, Professor Immunology, Director Center for Biologic Imaging, University of Pittsburgh)
FIGURE 1. Three-color TIRF/evanescent wave imaging shows the basal cytoskeleton in pulmonary airway endothelium grown in vitro, showing actin (blue), myosin (green), and paxillin (red).
Detectors & Imaging

Optics/Fluorescence Imaging: Facilitating fluorescence with optical filtering

Optical filtering can help researchers and system designers maximize image contrast, maintain image quality, and achieve better outcomes.

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Additional content from Chroma Technology Corp

Optical filters

Spectra Viewer

Use this Spectra Viewer Tool to add fluorochromes, filters sets and individual filters plot wavelength (nm) and %T. Click Here to Use the Spectra Viewer Tool
Optical filters

Fluorochrome Comparison Tool

Compare filter sets by selecting the recommended/alternative set listed for each fluorochrome. Click Here to Use the Comparison Tool
White Papers

Good vibrations with scattering of monochromatic light

Optical filters are vital for precision by enhancing signal quality and reducing interference in Raman spectroscopy. This paper covers filter types and their essential role in...
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Optical filters

Astronomy Brochure: Filters & Filter Sets

Extremely durable coatings withstand humidity changes and extreme temperature fluxes and remain spectrally accurate in center wavelength (CWL) and band pass adherence.No reflections...
(Photo credit: SPIE)
Attendees make their way into the SPIE Photonics West 2022 exhibition hall.

SPIE Photonics West 2023 exhibitor products (UPDATED 1/27)

Get a first look at what will be shown on the SPIE Photonics West 2023 exhibit floor.