ZEROSHIFT

OPTICAL INTERFERENCE COATINGS INCLUDING THIN FILM OPTICAL INTERFERENCE COATINGS AND ANTI- REFLECTION OR POLARIZATION COATINGS ON PASSIVE COMPONENTS TO FILTER LIGHT TRANSMISSION ON TELECOMMUNICATIONS APPLICATIONS PRODUCTS INCLUDING INCLUDING LASERS, DENSE WAVELENGTH DIVISION MULTIPLEXERS, WAVELENGTH DIVISION MULTIPLEXERS, AND THE LIKE; FILTERS, NARROW BANDPASS FILTERS, NARROW BAND FILTERS, LONG WAVE PASS FILTERS, SHORT WAVE PASS FILTERS, TELEMETRY FILTERS, GAIN EQUALIZATION FILTERS, GAIN FLATTENING FILTERS, WIDEBAND FILTERS,AND THE LIKE; AND ERBIUM DOPED FIBER AMPLIFIERS; AND RAMAN SHIFTED AMPLIFIERS