spectrogon,interference filters,optical filters,ir filters,vis filters,nir filters,bandpass filters,narrow bandpass filters,neutral density filters,wide bandpass filters,broad bandpass filters,longwave pass filters,shortwave pass filters,mulitlayer filters,thin film coatings,stock filters,coatings,ar coatings,ar,bbar coatings,bbar,v-coating,vcoating,ar coatings,beam splitter,front surface mirrors,surface mirrors,al mirrors,aluminium mirrors,au mirrors,gold mirrors,gratings,holographic gratings,diffraction gratings,holographic diffraction gratings,spectroscopy,monochromators,telecom gratings,telecommunication gratings,pulse compression gratings,pulse compression,laser tuning gratings,tuning gratings,dye laser gratings,dye laser tuning

spectrogon manufactures and develops optical filters, optical coatings and holographic diffraction gratings