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Iridian Spectral Technologies: optical filters, Raman notch filters and dielectric thin film coatings, both standard and custom
beam filters  black absorbers  deposited etalon filters  dielectric thin film coatings  dual purpose filters  edge pass filters  equalization filters  FTTx filters  GFF filters  laser line filters  light absorbers  linear filters  multi peak filters  optical thin film filters  Raman notch filters  Raman spectroscopy filters  solid etalon filters 
www.iridian.ca - 2009-02-09
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Asahi Spectra supplies high-end optical filters and instruments for biomedical, fluorescence, solar cells, FPD inspection, lithography and astronomy.
halogen illuminator  led profiler  neutral density pass filters 
www.asahi-spectra.com - 2009-02-07
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optical coatings
filtration
filters
interference filters
optical communications
optical pigments
dichroic filters
attenuators
custom optics
diplexers
bandpass filters
filter
high pass filters
amplifiers
low pass filters
air
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