Invention Grant
US08791222B2 Polymeric dye for optical power limiting 有权
用于光功率限制的聚合染料

Polymeric dye for optical power limiting
Abstract:
This invention concerns a polymer coating composition for use as non-focal optical power limiting dye containing polymeric materials. This composition contains: (1) one or more Modified Polymers comprising a Polymer, such as a hyperbranched polymer family, especially HB-PCS, HB-PU, HB-PUSOX or PC with one or more of: a) reverse saturable dye (RSA), b) multi-photon absorption dye (MPA), c) an azo dye, or d) absorption dye, which dye is chemically bonded to the pendant groups of the Polymer (along its chain and/or termini) or which forms a part of the backbone of the Polymer; (2) carbon nanotubes (CNT) as optical power limiters (OPL); and (3) a self-focusing component.
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