11-band optical filter

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Semrock has announced the production of an 11 band filter with steep edges, within a 100nm-wide spectral window. The filter has high transmission and effective blocking outside each of the 11.

The spectral complexity of this 11 band filter was designed to match the corresponding formaldehyde fluorescence emission spikes over the 380 to 480nm wavelength range.  

The filter can be used to investigate the homogeneous charge combustion, ignition combustion process. Semrock claims to be have been the world’s first manufacturer of a five band filter for multicolor fluorescence applications.