Materials of near infrared absorption involve cyanine dyes having an extended polymethine, phthalocyanine dyes with a metal center of aluminum or zinc, naphthalocyanine dyes, nickel dithiolene complexes with a square-planar geometry, squarylium dyes, quinone analogues, diimonium compounds and azo derivatives.

Applications using these organic dyes include security markings, lithography, optical recording media and optical filters.

we can supply from 710nm to 1070nm，Customization can also be accepted by customers