Photonics Buyers' Guide > Chroma Technology Corp. Chroma Technology Corp.
Map10 Imtec Lane
Bellows Falls, VT 05101
United States
Phone: (802) 428-2500
Fax: (802) 428-2525
Toll-free: (800) 824-7662
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Manufacturer of optical filters and coatings for biomedical instruments and imaging systems, fluorescence microscopy, astronomy, space exploration and chemical analysis.
Established: 1991
Employees: 98
Facility area (sq. ft): 21,000
Ownership type: Employee Owned
Paul Millman
Jay Reichman
Green Products
Green Manufacturing
Green Facility

An Introduction to FRET, with an Emphasis on the Optics Involved
Fluorescent Resonant Energy Transfer (FRET) is a process that involves two fluorochromes (molecules that have the potential to fluoresce) with overlapping emission and excitation spectra. FRET is useful in determining intra-molecular and intermolecular reactions both spatially and temporally. It can be used to follow and record the interactions of proteins, enzymes, DNA, and RNA well below the 200 nanometer (10-9 meter) resolution limit of the optical microscope at its highest magnification and...
Filter Sets for Imaging DsRed (Red Fluorescent Protein)
The new red fluorescent protein, DsRed, from Clontech can be viewed, and imaged, with a variety of filter sets due to its broad absorption and emission spectra. Using HeLa cells transfected with the DsRed protein, kindly provided by Clontech, we obtained excellent images with either the HQ TRITC/Cy3™ ( 41002c or 41002b) cubes or the HQ Texas Red™ set (41004). We also found that a custom set we have made for several researchers worked very well, as did the Phycoerythrin set (41003).

Chroma Named a Top Small Employer
6/29/2010 - In the June issue of Inc. magazine, Chroma Technology was among 20 companies honored by the... 6/2010
Chroma Introduces New Subsidiary
7/14/2009 - Chroma Technology Corp., manufacturer of precision optical filters, announced the launch of 89... 7/2009

  • beamsplitter
  • coating
  • antireflection
  • dielectric
  • thin film
  • thin-film
  • laser line filter
  • interference filter
  • laser optics
  • optical filter
  • sputter-coated optics