Featured Companies

Optical filters

Chroma Technology Corp

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

Shanghai Optics Inc

Shanghai Optics is an unparalleled custom optical engineering solution provider offering custom optical manufacturing, design and engineering services.
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Attenuators, fiber-optic

OZ Optics Ltd

OZ Optics Limited is a leading worldwide supplier of fiber optic products for existing and next-generation optical networks.
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Avantier Inc

Is an unparalleled leader in providing custom optical systems solutions. We offer advance precision custom optical design, optical engineering, optical lens assembly, rapid optical...
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LASEROPTIK manufactures high LIDT laser optics and coatings from VUV to IR for industry, medicine and scientific research. LASEROPTIK employs more than 40 coating machines with...
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Safety equipment & training

Laservision USA

Laservision is a trusted worldwide supplier of high-quality laser safety products, technology and training to industries ranging from medicine to the military. Wherever lasers...

Featured Content

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...
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...
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
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...
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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...
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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...
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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...
Reynard Corp Apodizing Filter
Optical filters

Bullseye® Apodizing Filters

Reynard Corporation offers Bullseye® Apodizing filters used to eliminate undesirable intensity variations in optical systems.
Reynard Corp Custom Thin Film Coatings
Optical filters

Custom Thin Film Coatings

Reynard Corporation manufactures custom thin-film optical components
Reynard Corp Linear Apodizing Filters
Optical filters

Linear Apodizing Filters

Linear Apodizing filters are customizable density gradient filters that have constant density in one direction and variable ND filter in the other direction.
Reynard Corp Custom Optical Filtersb
Optical filters

Custom Optical Filters

Reynard Corporation offers a variety of custom optical filters including Apodizing, Circular and Linear Variable, Absorptive, Bandpass, Dichroic, Infrared, LWP, SWP Neutral Density...
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...
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Optical filters

Bandpass Filters

Understanding Bandpass FiltersA bandpass filter is designed to pass a specified range of wavelengths with high transmittance while blocking all others. At Shanghai Optics we produce...
Electromagnetic Spectrum
Optical filters

Deep Dive into Optics Blog: Optical Filters

Electromagnetic spectrum covers many wavelength regions from Gamma ray, X ray, ultraviolet (UV), visible light, infrared (IR) to radio wave. Visible light is the portion of the...
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Optical filters

Fluorescence Filters

Fluorescence filters are at the heart of every Fluorescence optical device, and high quality filter sets are essential for high definition imaging and fluorescence microscopy....
Total Internal Reflection
Optical filters

Shortpass Filters

Shortpass FiltersA shortpass filter is a type of edge filter designed to pass wavelengths of light shorter than a given cut off wavelength while blocking long wavelengths. At ...
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Optical filters

Raman Filter

A Raman Filter is a precise optical filter used in Raman spectroscopy. When placed in the beam path, these filters transmit Raman scattered light to the spectrometer while selectively...
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...