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11-Band Filter

Photonics.com
Jan 2013
Semrock Inc.Request Info
 
ROCHESTER, N.Y., Jan. 17, 2013 — Semrock Inc. has announced an 11-band filter with steep edges within a 100-nm-wide spectral window. The filter has high transmission and good blocking outside each of the 11 bands. The spectral complexity of the filter was designed to match the corresponding formaldehyde fluorescence emission spikes over the 380- to 480-nm-wavelength range. The filter can be used to investigate the homogeneous charge combustion ignition combustion process.

Also available is a five-band filter for multicolor fluorescence applications.

The optical filters are made with hard, sputtered optical coatings. OEM filters are manufactured in volume.


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GLOSSARY
optical filter
A device with characteristics of selective transmittance, capable of passing a certain part of the electromagnetic spectrum while being opaque to the other portions. Means of producing filters varies considerably. Color filters (for the visual) usually consist of glass, gelatin or plastic containing dyes or pigments. Band pass filters are found in signal processing and are commonly fabricated via electronics and complex circuitry and are designed to pass and reject parts of the spectrum based...
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